I bought this as a gift for my friend czcams.com/users/postUgkxcZqgZ8Ynkiz5n_LxIWRlAicuzmz5kCHG who is just starting out in the world of wood work. He loves it!! There is a great section on different wood and what to use for what kind of job and a similar section for tools as well. The projects in it are things you probably would have a go at with clear instructions, pictures, videos and diagrams throughout. Great for a beginner/amateur wood worker.
Another benefit to rockwool is its end of life use. I operate a gravel pit and often take soil from building sites for pit remediation. Not long ago i received a number of loads from a recent home demolition. The crew had done a good job of separating concrete , siding and all other debris from the soil however the material was scattered with pieces of foam. Touch foam insulation with an excavator and you instantly have hundreds of bits of foam board which can not be separated from the soil and that foam is there as a pollutant for hundreds of years. Rockwool on the other hand can be used as a soil amendment I understand that it can even be used in organic potting soil. I used spray in open cell foam in my latest renovation but from now on will stay away from plastic foam products or at least do more research on the products I do use
Rockwool is the best. I used it for fire break and sound proofing between walls and ceiling during our rental suite reno and in the exterior walls. Sound was no longer an issue in the house! (We did use double layer and rez bar). Heating cost in the rental dropped 50%. We had a water pipe burst a year after the reno and when we opened the wall, the insulation had drained completely and was dry using a meter the next day. Studs retained moisture much longer so we used a dehumidifier for that. The insulation is so easy to install because it maintains it's shape and doesn't flop around. Great stuff!
As an amateur with woodworker, i typically feel overpowered with the entire arrangement czcams.com/users/postUgkxrYREG3-7f1Aqk9ams3ZESRNzGnfdUtyQ . Be that as it may, this arrangements drove me through with much clarity and effortlessness woodplans. Works i now work like a genius. That is great!
I love this stuff. I remember doing my theater seven years ago and it was a pain in the butt to find Rockwool. Now you can buy it at every Lowe's around me. So glad they have come up this far.
just redid a kitchen, we layed metal studs with 5/8 sheetrock and rockwool . it was sufficiently strapped to handle the weight on the ceiling My late father put rockwool and 5/8 sheet rock throughout the house before the days of youtube :) , so I had to follow through in this remodel. So happy to discover how much he thought of after the fact :) :)
my old house was fully insulated- interior walls too- with rockwool,best stuff ever. bed rooms and liv room were fantastic for keeping noise down from kids and tv, along with solid core doors
Could you maybe tell me why my small bathroom in a house built in 1964 is always a walk-in freezer in the winter? I added new Marvin widows 2 years ago, but it’s still freezing in there! How can I make it more comfortable in there?
I use Safe n Sound in the wall between laundry/mech room and the media room. The safe n sound absorbs a wide range of the frequency band. My walls are double 3/4 inch sheet rock on each side with gleen glue between. I can have a full load of laundry going,, water heater running, and furnace blowing and its still quiet in the room.
It’s great stuff to use! I always use a 12 inch drywall knife to help me install it, you can just slip it between the stud and the insulation, and you don’t have to worry about the friction that will punch it up.
I really like using Rockwool. For those that haven't it is exactly like Matt says he isn't embellishing it's qualities. My only complaint is that it is super itchy and make sure to wear a good mask during install as you will inhale the small fibers and you will be coughing it up for a while afterwards. I have it in the wall between the living room and master bath and I can turn the surround sound way up and you can barely hear it. My only complaint is that some of the products are kind of a pain to get in small quantities. It is far superior to the old mineral wool that was popular back in the 50s to 60s. That stuff was very poorly manufactured by a company here in Texas. The batts were undersized and lots of granular slag left overs in the batts and in the loose attic insulation.
Being from the commercial side I've used this product many many times over the past 25 years. It's the best stuff out there. As an apprentice, the old timers taught me to use baby powder before using rockwool/insulation on any exposed skin. We will cover our arms neck chest and face. Then when you get home you shower with cold water first to keep your pores closed for a good rinse. The back of my neck was always that one spot if i forgot i would definitely regret. WEAR YOUR MASKS and SAFETY GLASSES PLEASE! Being over 50 I can say I wish I wore a mask more as a young man. Thank goodness I am a Supervisor now and those days are behind me.
Rockwool has been my go-to for insulation for years now. Great to work with, cuts easily ( I typically just use dollar-store steak knives!), easy to install. As some of the other comments said, I also use this for interior walls when I can, especially around bathrooms - really cuts down on noise.
When I purchased my home here in NC I was told that there was plywood under the aluminum siding. Well, it turns out that I only have very thin sheathing board and the aluminum siding. (Fun.) And a home that was supposed to be constructed with 2 by 4 with 16 on center construction seems to vary in width between studs. (More fun) I appreciate the info as I seemingly will need to "rebuild my home in place. I recently used Rockwool to insulate between a bathroom that has a laundry space included.. I'd love to make my way around the house with the product. Thank you again for your videos!
I'm in NC too and all too familiar with the building practices here. Lol I am going to insulate my basement ceiling joists for the floors above. Trying to figure out of I need to cover it..
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Actually I shot this one last week! However, I don't have a video for Friday 🤫Have a few ideas of what to shoot while my jobs are shut down. Never fear, I haven't missed a Tuesday or Friday upload in over 3 years!
Rockwool hilarious when I saw it in title . I had to comment on this . I used to grow the best weed using rock wool ten years ago hydroponically. The best weed is always hydro grown out of rock wool , compared to today’s crap soil grown. And bugs will crawl in it through it if it stays wet . And it stays wet if water gets on it and soaks into it and water source isn’t fixed. But insulation value is one of the highest value like he says
This is just totally wrong. Rockwool is extremely hydrophobic. The stuff you used wasn't this stuff, it is a kind of slag wool material purposely designed for growing plants in.
You are correct Jody! I purchased a bunch of R23 Rockwool for a storage building from Lowe's. They delivered it on a rainy day and when they dropped it off at my house I noticed a few bundles had gotten soaked. I was curious so I busted open one of the wet bundles. I left it inside a dry warehouse in the middle of the summer for 3 weeks and was shocked when I could squeeze it and water still poured out. I called Lowe's and told them about it and they said to bring one of the wet ones back so they could look at it. They refunded me my entire order and told me to throw away the rest. I put in my garden and had one hell of a pumpkin patch. I found out Rockwool Comfort Batts are definitely not Hydrophobic 😂.
Matt, can you detail how you are doing your windows, roof, and your old brick walls with the exterior insulation? How do you add insulation to the brick and still have an air gap? How are you framing your windows for it? Stuff like that.
Matt is correct in his assessment of this product. It is the only type of interior insulation that should be allowed in U.S. home construction as far as filling the cavities with other than foam. Foam is risky if not installed properly, and it is not a DIY product in my opinion. I have installed a lot of fiberglass insulation in projects over the years, none even come close to this product. It completely fills the void, cutting is easy and precise around outlets. If you want to build a structure that requires less energy to heat and cool this product is the essential product to get you there. It is not cheap, but there is no doubt this product is going to pay you back in energy savings and the increased noise reduction is just an added bonus, as is the increased fire protection and the fact it will not absorb water. This product is hard to find, must be ordered in special order, but is worth the extra effort. Thank you Matt for bringing this product to the attention of so many people.
Used this stuff in my basement finish. Wow.....sper easy to use, fast to put up, and does a great job. PLUS you get the added protection of fire break protection if they fully fill the wall cavity. Very nice product.
I'm a remodeler in Hampton Roads area of VA. Seeing many houses from the 40-60's I can say that over time the one of the issues I see as a remodeler on these older homes is the shrinkage and failure these many other types of insulation. If Rockwool won't shrink over time then I'm SOLD because it won't FAIL!
We finished 1100sq ft of our basement and used safe n sound in all the ceilings and interior walls around the bedrooms. We had the exterior walls sprayfoamed. The safe n sound has really helped keep noise transfer down.
I us it around wood stove installs because it has the 2100 F degree temperature rating, it is a good shield for plumbers to use while soldiering pipes around wood studs because it a great heat barrier. Save leaving burn marks on Studding in new homes, leaves a professional look.
Matt, after the first video I saw on Rockwool, I changed to Rockwool for the insulation on the addition I am building. Love the product. It's hard to find in Northern Wisconsin, but I finally found a wholesaler who had enough in stock. Now I have to decide if I want to put comfort board on the exterior. Thank you mat for educating us. You're doing a great job. "Walk with the KING and be a blessing.!"
Thank you Scott. The LORD has blessed me greatly in so many ways. I can't wait to see how HE works in this crisis. May you see HIS hand upon your life in new and exciting ways.
Great video, just a note Vancouver Canada is not as cold as Chicago. It's probable the warmest city in the winter in Canada compared to say Edmonton Alberta.
Why is this wrong? The sponsorship is transparent. Are you envious of what Matt does? Do you appreciate the time and investment to produce quality videos? Go create your own content or click on the next video rather than leaving snarky remarks for strangers.
I just built a wall in a financial office to divide the room, used 5/8 WB, Acoustical Sealant, Rockwool Safe & Sound, and an exterior door, the 2 rooms are dead quiet, they can talk on the phones and not hear each other, and the client is very happy. Great product knowledge I learned from Matt, thanks buddy keep up the great work!
Used rock wool to insulate walls and ceiling in my basement around a theater, bedroom and bathroom. It was easy to install using an electric knife like you’d use to carve a turkey. Very happy with the product.
I’m looking to use this in my basement. Did you just use it between the studs? I have a one inch gap between my studs and concrete and wondering if I should leave an air gap or put something against the concrete as well
@@Moonkey-d4b I used it between studs, not in the gap between the foundation wall and the studs. I think it would hard to get in there and unnecessary.
@Matt Stephenson thanks for the fast reply. Just trying to figure out how im going to do it. So you have an air space and nothing against the concrete?
@Matt Stephenson after tons of research it’s been a mix of opinions. Some say to leave an air gap so things can dry out if they ever get wet. Other days use rigid or spray foam against concrete and bats between studs. The research has only stressed me out
Hi Matt, it would be very helpful if you could make a video for the young tradesman or the people on the edge of pursuing a trade. I have been working construction for 3 years and am a Junior in college. I’m not sure which direction to pursue. God Bless!
Mr. Matt, I always enjoy your vids & learn something new & exciting every time. My Builder/Structural Engineer Husband who usually handled more of the technical/materials/math/best practices, was killed before we had a chance to finish our basement on our new construction home. *guess I did more manual labor & coordinating _with_ him. It’s all roughed-in, but it seems there’s still so much to do. We physically built our houses together so I should’ve paid closer attention. 😞 Now I’m not sure what to do w/o him and I don’t have much luck with subs showing up, not being kinda creepy &/or listening to me (unlike HE did). Now I’m _trying_ to finish it _(or parts of it I can afford)_ myself as much I can _(no choice I guess)_ . So I’m gonna try to do it myself, even if die trying. 🙏 Prayers appreciated.🙏 He had already started to install safe n’ sound Rockwell insulation in the basement ceiling under the the main floor so I’ll order more & finish that part. Looks like we still needed to insulate the basement rim joist too.🤦♀️ Lots of how to vids on rim joists tho. *QUESTION:* Can Rockwell safe ‘n sound be installed ON our daylight basement POURED CONCRETE VERTICAL WALLS _(with or w/o some kind of vapor barrier???)_ OR should I just stick to using foam boards for that (& what kind of foam boards, glue tape, etc....that’s NOT the MOST expensive) on the vertical concrete walls??? Spray foam is out b/c $$$$$$. 😞🤦♀️ Any advice you could give would be greatly appreciated. Thank you in advance & keep up the excellent work in the construction industry. P.S. - You don’t happen to fly out to other SE states to ‘consult’ do you?🙏
Thanks Matt for introducing me to the product. I like the sustainability part of it a lot! Question on how it works from a water vapor perspective. You did not mention if it needs a moisture barrier like regular insulation does and does not appear to even be an option to order it with a moisture barrier. I am looking for something to insulate my lath and plaster walls on my 100 yr old SoCal house. This seems like a good candidate.
In Norway we have used this stuff for 70 years.. xps or foam is illegal due to fire hazard, we also have this stuff caled Glava that is made from glass, it's easyer to work and dosent burn or mold. Our houses here often have 1,5 by 8" wall studs, with glass wool. On the innside we use plastic film to block humidity. then 2 by 2" with glass wool and also room for tecnical installations without breaking the plastic barrier. On the outside we have asphalt sheeting, then tyvek vrapping + 20mm "clamping" studs. then 2 by 2" cross brasing before weather shield or cladding.. You get 60mm of air gap between the tyvek and cladding.. this makes the heat stay out and the building stays dry due to the air sirculation behind the cladding.. you should try this on one build :)
Large Hospital/ research center that I retired from only used Rock wool aka cotton candy aka itchy wool. Was fun fishing say a MC cable from a high ceiling to a receptacle. Great for reducing sound transmission. They also only used 5/8" purple moisture resistant sheetrock.
I put 2 layers of 3.5" Rockwool R-15 batts in specific attic ceiling areas to replace 12" of blown in fiberglass after some renovations. Summer hit and now midday sun the ceiling with 2x3.5" Rockwool batt area of ceiling is 73F, blown-in fiberglass areas are warmer to touch and measure 75-76F, while the AC thermostat is 72F. That's poor results for all that blown in fiberglass. Looking forward to using more of this product as I reno more.
Check out Matt with the multiple cameras going. Video quality has come a long way since I first subbed. I recently used Rockwool to reduce sound transmission in a common wall. Easy to work with and made a noticeable difference.
It would be neat if there could be product made with a high enough density to be used as an OSB alternative, or a Rockwool backed steel siding/roofing product designed to be used under hardie board siding/slate.
@@angellas.1314 I guess you just need to call around your area and see if anybody manufacturers this near you. It's just Rockwool with sheet metal glued to the surfaces.
Hey,Matt. You should do a show specific to Gulf Coast elevated building. Lots of water and possible wind events, but we really want to keep heat out. Would love your review of hurricane sustainable builds.
Matt, I'm glad to hear that you are working with some builders from California. The desert southwest is a totally different animal, as far as insulation strategies go, than the North, South or East. I live in northern Nevada and we have cold, dry winters and hot, dry summers. Please give some insulation strategies that will work better in these type of climates. We feel left out!
I’d like to see you dump water on the top edge of the rockwool. Rockwool is used as a growing medium and it holds water a LONG TIME. . It won’t absorb dumping water down the side like that but if you dump it on the top edge it will absorb after a little bit.
I needed to add a bedroom and decided to subdivide the "man cave". Because of all the potential noise in the common area, I decided to insulate the bedroom walls with Rockwool. It has done a fantastic job reducing the sound transmission. It was intended to be a temporary room, but it turned out so well I'm planning to make it permanent. It was my first time installing Rockwool and it was a bit more fragile than I expected. They do well most of the time, but if you're too rough with the batts they will break apart. It is convenient though for filling in small, odd shaped spaces and working around wiring. It was also dustier than I expected and a little itchy. I agree a mask, gloves, and long sleeves are a good safety tip. I am looking at building an age-in-place home (at least 40 years) and I'm definitely considering it for that project. Up here in the northland I'm looking for energy efficiency and low maintenance. One thing Matt didn't mention is its mold resistance, mostly because it doesn't absorb water.
We used about 7 pallets of the different forms. They are all basically the same item safe n sound is a little denser, the r30 is 2 r15 molded together. Makes you itch for about a week no smell, particles should be swept up after all insulation is done if it gets embedded into drywall then painted over you will be left with a rust spot in a few months. Reduces ,ore of the higher pitch sounds mid to lower bass sounds can still come thru by stud transfer
Hi Matt was wondering if you were aware of the wall building system called OSBlock. It's a new product from Quebec, Canada. This product is right up your alley. Hope you get to see my Post.
would love t see you do a video on two less common insulation types here in north america. Those would be rigid wood fiber insulation (like Gutex) and wool insulation. Both have very good characteristics/qualities and from my perspective cost and availability are their main drawbacks. There is however a company in Maine working to open a rigid wood fiber insulation plant and there is a company in Oregon using processing domestic wool for insulation.
I actually learned of you On RR Buildings with Kyle. You really do have a lot of informative content on your videos. Thanks for sharing your knowledge!
You should do a cost breakdown on energy savings vs extra money spent on exterior insulation. I would be curious how many decades it will take to get a return on the investment or maybe the value of the house goes up and you get your money back when you sell.
Hey Matt keep up the good work I am a big fan of your shows and use your commentaries with my clients to explain the pros and cons of all types of building materials and building processes . I enjoy your humble approach to failure anyone that builds at times will run into a oversight in applications . With a good attitude failure can create a determined state of mind to get it right . We are all desperately want to avoid catastrophic failure whether financial or structural life threatening disasters . Your program is part of my Continuing Education after 38 years building new and renovating old houses . Cheers
He is right about the thermal bridge. And the only way to avoid it, is by insulating trough the exterior. That is what the builders are doing in Portugal. And if we insulate inside we increase considerable the thermal insulation.
I saw a live demo of Rockwool, vs. Denim, vs. Pink Panther fiber glass and the cheap Pink Panther stuff destroyed Rockwool and Denim hands down in sound absorption and blocking abilities. Like 2 dB more than Rockwool Safe'n Sound.
i wonder how the safe'n'sound compares to fiberglass bats for sound transmission in floor joist applications. The rockwool batts are 3" thick vs a fiberglass batt which is 9.5" thick. The prices are near the same but 3 times the thickness with the fiber.
Sound is only half the battle. Without stopping vibration as well it's a losing effort. Fiberglass has very good STC ratings as does Mineral wool. The lost component in this video is a good stud isolator like OC Energy Complete or GreenGlue on the studs before installing drywall
I wish soundproofing was standard for new constructions/remodels everywhere in the country or at the very least any rooms close to the kitchen. Building codes in NC a freaking joke!
Great Channel Thank You and I'd like your opinion: 1962 Phoenix AZ home 4x8x16 with the famous interior 1/2 inch furred out silver shield lined drywall as my only insulation. I'm going to stucco the exterior and would like to insulate. Rockwool? Foam Panels? Other options? Your opinion?
I wish I had known about rock wool several years ago. My parents had an addition done and they wanted insulation put in between the first and second floor for sound dampening. Unfortunately the contractor used normal insulation so it did nothing for sound.
Hey Matt, can you do a deep south texas build guide? I'm in Laredo and getting ready to start the build plan; Laredo doesn't have the best rep for build quality.
We want to replace our wood exterior with fiber cement siding. From what I can gather from your videos it would be the zip system with an overlay of rock wool. Then slats down the studs to connect the siding. Am I missing anything?
How safe is this product to handle? What chemicals is it treated with, are the fibres dangerous to health if inhaled etc... There was a time Asbestos was lauded as the wonder material and look at that now.
Jason T thanks for the info. I’m not against Rockwool per se, rather let’s just say the jury is still out for me when it comes to inorganic fibres and their risk of inhalation. I’m more inclined towards organic products like cellulose, wool etc...
It's a shame they don't have some type of blown-in product for attics. I understand you would lose the "compactness" of the product but I would think they could engineer the product so it's in real small "chunks" that would settle close together. I want to remove my blown in white insulation in my attic and would really like a better, more dense product. Any ideas?
Great video. I live in the northern midwest and want to insulate my detached 2 1/2 car garage so I can try and do work in it during the winter months. I know when it gets below freezing it will still be a challenge to work in without a heater, but how can I keep it "warmer" than the outside? What product is best (and R value)? I don't have drywall, just studs for now. It does have an unfinished peak meaning no false ceiling and an attic. Also, is there something I can do to the concrete slap to improve warmth? Thank you.
When I priced it with bulk discounts included, mine came to about 1.5x fiberglass. However, fiberglass is very difficult to install to get the rated values. Considering all of the other pros, I thought it was worth over 2x. So, it made sense for me. Given the option I will probably never use fiberglass again.
@@hhiippiittyy true, but what I do like is that he gives you options and pros/cons. I offer this product to clients as it's the closest to spray foam benefits. This product may be a little more expensive, but worth every penny!
Hi Matt, I really enjoy your show. I'd love you to cover aerogel insulation (pros/cons, cost, etc) and even compare it to other great insulation products like rock wool or air krete for example. I'm trying to learn more about the best insulation choice for R value, fire and water resistance and sound proofing and there's not a lot of information about aerogel yet.
That's a big deal. I've seen the data, but it's not yet published. Very impressive bug resistance. Totally safe to use below grade and not worry about termites.
I insulated my basement walls with seamed XPS flush to the wall and then placed Rockwool inside the 2x4 walls. I figure the $1k I spent is pretty cheap to give my family more time to get out of the house in case of a fire.
I guess no one around here carries that brand. Need 2x4 at 24' on center in either 11 or 13 but when I pull up the home stores (about 7 of them) only one carries it and only one style. I am doing the rafters on my detached garage and don't care if it is pink, blue, grey, or silver. My garage rafters are not the standard 2x6 so after installing baffles I am left with little space but I plan on getting rolls or batts that are 11r or 13r and pressing them in. The foam boards seemed expensive and the silver covered bubble wrap did not seem like the right then either.
I have noticed that they don’t make houses like they used too. They are mostly made from wood, and the price for them are just as high. What do these products do for a brick home? Or is there different kind of material used for brick homes?
Odd question. Since comfort board is vapor open, what would happen if someone used it to insulate the interior of an old historic brick house? Obviously worried about the walls being able to dry out, hence the question.
I have a 1960 home. There was a drop ceiling I took down. If I place the 16 on center with Rockwood will I need to put plastic stapled to ceiling joists before placing my tongue n groove ceiling? Home is in The Appalachia mountains, NC.
I bought this as a gift for my friend czcams.com/users/postUgkxcZqgZ8Ynkiz5n_LxIWRlAicuzmz5kCHG who is just starting out in the world of wood work. He loves it!! There is a great section on different wood and what to use for what kind of job and a similar section for tools as well. The projects in it are things you probably would have a go at with clear instructions, pictures, videos and diagrams throughout. Great for a beginner/amateur wood worker.
Another benefit to rockwool is its end of life use. I operate a gravel pit and often take soil from building sites for pit remediation. Not long ago i received a number of loads from a recent home demolition. The crew had done a good job of separating concrete , siding and all other debris from the soil however the material was scattered with pieces of foam. Touch foam insulation with an excavator and you instantly have hundreds of bits of foam board which can not be separated from the soil and that foam is there as a pollutant for hundreds of years. Rockwool on the other hand can be used as a soil amendment I understand that it can even be used in organic potting soil. I used spray in open cell foam in my latest renovation but from now on will stay away from plastic foam products or at least do more research on the products I do use
Rockwool is the best. I used it for fire break and sound proofing between walls and ceiling during our rental suite reno and in the exterior walls. Sound was no longer an issue in the house! (We did use double layer and rez bar). Heating cost in the rental dropped 50%. We had a water pipe burst a year after the reno and when we opened the wall, the insulation had drained completely and was dry using a meter the next day. Studs retained moisture much longer so we used a dehumidifier for that. The insulation is so easy to install because it maintains it's shape and doesn't flop around. Great stuff!
As an amateur with woodworker, i typically feel overpowered with the entire arrangement czcams.com/users/postUgkxrYREG3-7f1Aqk9ams3ZESRNzGnfdUtyQ . Be that as it may, this arrangements drove me through with much clarity and effortlessness woodplans. Works i now work like a genius. That is great!
I love this stuff. I remember doing my theater seven years ago and it was a pain in the butt to find Rockwool. Now you can buy it at every Lowe's around me. So glad they have come up this far.
I love rockwool and it's all I use. Fire resistance, sound proofing, I also love how the fibers will fall to the ground instead of float in the air.
just redid a kitchen, we layed metal studs with 5/8 sheetrock and rockwool . it was sufficiently strapped to handle the weight on the ceiling
My late father put rockwool and 5/8 sheet rock throughout the house before the days of youtube :) , so I had to follow through in this remodel. So happy to discover how much he thought of after the fact :)
:)
my old house was fully insulated- interior walls too- with rockwool,best stuff ever. bed rooms and liv room were fantastic for keeping noise down from kids and tv, along with solid core doors
Did you know that the Pink stuff and Rockwool provide the same STC reduction...
@FJB2020 no rockwool is noticeably more dampening
I'm a commercial plumber, we use this stuff all the time to stuff holes for fire/sound proofing. It's a great product
Could you maybe tell me why my small bathroom in a house built in 1964 is always a walk-in freezer in the winter? I added new Marvin widows 2 years ago, but it’s still freezing in there!
How can I make it more comfortable in there?
Matt couldn’t of explained it any better
I use Safe n Sound in the wall between laundry/mech room and the media room. The safe n sound absorbs a wide range of the frequency band. My walls are double 3/4 inch sheet rock on each side with gleen glue between. I can have a full load of laundry going,, water heater running, and furnace blowing and its still quiet in the room.
It’s great stuff to use! I always use a 12 inch drywall knife to help me install it, you can just slip it between the stud and the insulation, and you don’t have to worry about the friction that will punch it up.
Great tip!
@@buildshowcan rigid rockwool version be installed behind a metal fireplace insert?
I really like using Rockwool. For those that haven't it is exactly like Matt says he isn't embellishing it's qualities. My only complaint is that it is super itchy and make sure to wear a good mask during install as you will inhale the small fibers and you will be coughing it up for a while afterwards.
I have it in the wall between the living room and master bath and I can turn the surround sound way up and you can barely hear it. My only complaint is that some of the products are kind of a pain to get in small quantities.
It is far superior to the old mineral wool that was popular back in the 50s to 60s. That stuff was very poorly manufactured by a company here in Texas. The batts were undersized and lots of granular slag left overs in the batts and in the loose attic insulation.
Not that there's ever a good time, but now is an especially bad time to voluntarily compromise your lung function.
@@jmcdonne Very true. Don't need any more handicaps at the moment with the crud going around the world faster than a concorde.
Being from the commercial side I've used this product many many times over the past 25 years. It's the best stuff out there. As an apprentice, the old timers taught me to use baby powder before using rockwool/insulation on any exposed skin. We will cover our arms neck chest and face. Then when you get home you shower with cold water first to keep your pores closed for a good rinse. The back of my neck was always that one spot if i forgot i would definitely regret. WEAR YOUR MASKS and SAFETY GLASSES PLEASE! Being over 50 I can say I wish I wore a mask more as a young man. Thank goodness I am a Supervisor now and those days are behind me.
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Rockwool has been my go-to for insulation for years now. Great to work with, cuts easily ( I typically just use dollar-store steak knives!), easy to install. As some of the other comments said, I also use this for interior walls when I can, especially around bathrooms - really cuts down on noise.
czcams.com/video/gDs6hD4BBAc/video.html ;-)
I use a saw lol
being extra lazy , a dollar store electric carving knife makes cutting perfect edges and shapes
When I purchased my home here in NC I was told that there was plywood under the aluminum siding. Well, it turns out that I only have very thin sheathing board and the aluminum siding. (Fun.) And a home that was supposed to be constructed with 2 by 4 with 16 on center construction seems to vary in width between studs. (More fun) I appreciate the info as I seemingly will need to "rebuild my home in place. I recently used Rockwool to insulate between a bathroom that has a laundry space included.. I'd love to make my way around the house with the product. Thank you again for your videos!
I'm in NC too and all too familiar with the building practices here. Lol I am going to insulate my basement ceiling joists for the floors above. Trying to figure out of I need to cover it..
The technician of the building trade 🔥. Bro, I love your content. Thx for sharing that brain of yours.
Best comment I've seen in awhile! Thanks my friend.
Good stuff Matt! I don't even mind that it's a commercial for Rockwool. I'm using their stuff in my house.
Is it itchy like fiberglass?
What’s the up charge over traditional insulation?
TampaMaximumMike not at all!
@@TampaMaximumMike Nope!
TampaMaximumMike: One other viewer said it was itchy and recommended wearing a face mask, gloves and long sleeves as it can get into your lungs.
Thanks Matt , I really appreciate people like you who with their videos help me every day to be a better contractor.
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I'm sure you've pre-recorded videos. I love that you're not hiding under a rock and still getting out awesome content. Thanks Matt!
Actually I shot this one last week! However, I don't have a video for Friday 🤫Have a few ideas of what to shoot while my jobs are shut down. Never fear, I haven't missed a Tuesday or Friday upload in over 3 years!
Matt Risinger: I’m so grateful.
Rockwool hilarious when I saw it in title . I had to comment on this . I used to grow the best weed using rock wool ten years ago hydroponically. The best weed is always hydro grown out of rock wool , compared to today’s crap soil grown. And bugs will crawl in it through it if it stays wet . And it stays wet if water gets on it and soaks into it and water source isn’t fixed. But insulation value is one of the highest value like he says
This is just totally wrong. Rockwool is extremely hydrophobic. The stuff you used wasn't this stuff, it is a kind of slag wool material purposely designed for growing plants in.
You are correct Jody! I purchased a bunch of R23 Rockwool for a storage building from Lowe's. They delivered it on a rainy day and when they dropped it off at my house I noticed a few bundles had gotten soaked. I was curious so I busted open one of the wet bundles. I left it inside a dry warehouse in the middle of the summer for 3 weeks and was shocked when I could squeeze it and water still poured out. I called Lowe's and told them about it and they said to bring one of the wet ones back so they could look at it. They refunded me my entire order and told me to throw away the rest. I put in my garden and had one hell of a pumpkin patch. I found out Rockwool Comfort Batts are definitely not Hydrophobic 😂.
Every time I watch one of your videos I want to build something.
Matt, can you detail how you are doing your windows, roof, and your old brick walls with the exterior insulation? How do you add insulation to the brick and still have an air gap? How are you framing your windows for it? Stuff like that.
Matt is correct in his assessment of this product. It is the only type of interior insulation that should be allowed in U.S. home construction as far as filling the cavities with other than foam. Foam is risky if not installed properly, and it is not a DIY product in my opinion. I have installed a lot of fiberglass insulation in projects over the years, none even come close to this product. It completely fills the void, cutting is easy and precise around outlets. If you want to build a structure that requires less energy to heat and cool this product is the essential product to get you there. It is not cheap, but there is no doubt this product is going to pay you back in energy savings and the increased noise reduction is just an added bonus, as is the increased fire protection and the fact it will not absorb water. This product is hard to find, must be ordered in special order, but is worth the extra effort. Thank you Matt for bringing this product to the attention of so many people.
Used this stuff in my basement finish. Wow.....sper easy to use, fast to put up, and does a great job. PLUS you get the added protection of fire break protection if they fully fill the wall cavity. Very nice product.
Did you put it right up against the concrete?
I'm a remodeler in Hampton Roads area of VA. Seeing many houses from the 40-60's I can say that over time the one of the issues I see as a remodeler on these older homes is the shrinkage and failure these many other types of insulation. If Rockwool won't shrink over time then I'm SOLD because it won't FAIL!
Then you won’t have a job....
@@Dhleeiv Your comment shows you not only don't renovate houses, but you don't know much about reality either. Have a great day!
AmericanConcrete You’re wrong buddy. Do a remodel right now actually.
@@Dhleeiv Other things also break down over time. The population is still growing and need homes.
i just checked Rockwool homepage and it was surprising to see Matt on the front page as the face of Rockwool :)
Can’t think of anything more itchy than this stuff, though I am proud, since this is the first Danish🇩🇰 product I’ve seen on an American build show .
Love Rockwool. But I found it's WAY easier and quicker to cut it with an electric turkey carver than hand cutting it.
Paddy Marcotte does your wife know you did that?? 😂😂 very creative!! Love it
I prefer the electric ostrich cutter, but to each his own.
Haha good idea
Lol, I was about to type the same thing. I had to use it on a ceiling where the joists were all framed 12” on center. That electric carver was clutch.
Thank you!! Noted! 😊
I just read the manufacturer’s spec about this insulation 🧐🤨🤪😉 funny that i did understand more from
this guy.. 😎😂😍🇨🇦 thanxs man✌️
We finished 1100sq ft of our basement and used safe n sound in all the ceilings and interior walls around the bedrooms. We had the exterior walls sprayfoamed. The safe n sound has really helped keep noise transfer down.
I us it around wood stove installs because it has the 2100 F degree temperature rating, it is a good shield for plumbers to use while soldiering pipes around wood studs because it a great heat barrier. Save leaving burn marks on Studding in new homes, leaves a professional look.
Matt, after the first video I saw on Rockwool, I changed to Rockwool for the insulation on the addition I am building. Love the product. It's hard to find in Northern Wisconsin, but I finally found a wholesaler who had enough in stock. Now I have to decide if I want to put comfort board on the exterior.
Thank you mat for educating us. You're doing a great job. "Walk with the KING and be a blessing.!"
God Bless David!
Thank you Scott. The LORD has blessed me greatly in so many ways. I can't wait to see how HE works in this crisis. May you see HIS hand upon your life in new and exciting ways.
@@davidnielsen4490 All the best to you & your family, God bless us all my friend
Great video, just a note Vancouver Canada is not as cold as Chicago. It's probable the warmest city in the winter in Canada compared to say Edmonton Alberta.
#9 thing I like about it, they sponsor us.
Why is this wrong? The sponsorship is transparent. Are you envious of what Matt does? Do you appreciate the time and investment to produce quality videos? Go create your own content or click on the next video rather than leaving snarky remarks for strangers.
I just built a wall in a financial office to divide the room, used 5/8 WB, Acoustical Sealant, Rockwool Safe & Sound, and an exterior door, the 2 rooms are dead quiet, they can talk on the phones and not hear each other, and the client is very happy. Great product knowledge I learned from Matt, thanks buddy keep up the great work!
CaptainsOrders What is 5/8wb
Joe the Builder 5/8” Wall Board
Used rock wool to insulate walls and ceiling in my basement around a theater, bedroom and bathroom. It was easy to install using an electric knife like you’d use to carve a turkey. Very happy with the product.
I’m looking to use this in my basement. Did you just use it between the studs? I have a one inch gap between my studs and concrete and wondering if I should leave an air gap or put something against the concrete as well
@@Moonkey-d4b I used it between studs, not in the gap between the foundation wall and the studs. I think it would hard to get in there and unnecessary.
@Matt Stephenson thanks for the fast reply. Just trying to figure out how im going to do it. So you have an air space and nothing against the concrete?
@@Moonkey-d4b yes, not sure that’s wrong or right, but that’s how I did mine. Do suppose that’s problematic?
@Matt Stephenson after tons of research it’s been a mix of opinions. Some say to leave an air gap so things can dry out if they ever get wet. Other days use rigid or spray foam against concrete and bats between studs. The research has only stressed me out
Hi Matt, it would be very helpful if you could make a video for the young tradesman or the people on the edge of pursuing a trade. I have been working construction for 3 years and am a Junior in college. I’m not sure which direction to pursue. God Bless!
Mr. Matt,
I always enjoy your vids & learn something new & exciting every time.
My Builder/Structural Engineer Husband who usually handled more of the technical/materials/math/best practices, was killed before we had a chance to finish our basement on our new construction home.
*guess I did more manual labor & coordinating _with_ him.
It’s all roughed-in, but it seems there’s still so much to do.
We physically built our houses together so I should’ve paid closer attention. 😞
Now I’m not sure what to do w/o him and I don’t have much luck with subs showing up, not being kinda creepy &/or listening to me (unlike HE did).
Now I’m _trying_ to finish it _(or parts of it I can afford)_ myself as much I can _(no choice I guess)_ .
So I’m gonna try to do it myself, even if die trying.
🙏 Prayers appreciated.🙏
He had already started to install safe n’ sound Rockwell insulation in the basement ceiling under the the main floor so I’ll order more & finish that part. Looks like we still needed to insulate the basement rim joist too.🤦♀️ Lots of how to vids on rim joists tho.
*QUESTION:* Can Rockwell safe ‘n sound be installed ON our daylight basement POURED CONCRETE VERTICAL WALLS _(with or w/o some kind of vapor barrier???)_ OR should I just stick to using foam boards for that (& what kind of foam boards, glue tape, etc....that’s NOT the MOST expensive) on the vertical concrete walls???
Spray foam is out b/c $$$$$$. 😞🤦♀️
Any advice you could give would be greatly appreciated.
Thank you in advance & keep up the excellent work in the construction industry.
P.S. - You don’t happen to fly out to other SE states to ‘consult’ do you?🙏
Thanks Matt for introducing me to the product. I like the sustainability part of it a lot! Question on how it works from a water vapor perspective. You did not mention if it needs a moisture barrier like regular insulation does and does not appear to even be an option to order it with a moisture barrier. I am looking for something to insulate my lath and plaster walls on my 100 yr old SoCal house. This seems like a good candidate.
Sergio Bustamante doesn’t come with vapor barrier
Glad I found your channel..... My banker and spouse are not.... I've launched into a room-by-room renovation of the entire house.
How to build your new house for cheap. Get every one to sponsor every thing going into it.
And wait until you get a sponsor for EVERYTHING before you hang drywall
😂😂 You're not wrong
Jealousy…
I know you’re not hating bro? would you pay all of it or just some parts because your sponsored
Watched an insulation materials comparison video where rockwool absorbed a ton of both water and vapor. That had me a little nervous about using it.
In Norway we have used this stuff for 70 years.. xps or foam is illegal due to fire hazard, we also have this stuff caled Glava that is made from glass, it's easyer to work and dosent burn or mold. Our houses here often have 1,5 by 8" wall studs, with glass wool. On the innside we use plastic film to block humidity. then 2 by 2" with glass wool and also room for tecnical installations without breaking the plastic barrier. On the outside we have asphalt sheeting, then tyvek vrapping + 20mm "clamping" studs. then 2 by 2" cross brasing before weather shield or cladding.. You get 60mm of air gap between the tyvek and cladding.. this makes the heat stay out and the building stays dry due to the air sirculation behind the cladding.. you should try this on one build :)
Large Hospital/ research center that I retired from only used Rock wool aka cotton candy aka itchy wool. Was fun fishing say a MC cable from a high ceiling to a receptacle. Great for reducing sound transmission. They also only used 5/8" purple moisture resistant sheetrock.
I put 2 layers of 3.5" Rockwool R-15 batts in specific attic ceiling areas to replace 12" of blown in fiberglass after some renovations. Summer hit and now midday sun the ceiling with 2x3.5" Rockwool batt area of ceiling is 73F, blown-in fiberglass areas are warmer to touch and measure 75-76F, while the AC thermostat is 72F. That's poor results for all that blown in fiberglass. Looking forward to using more of this product as I reno more.
Watched the Canadian shows and learned a lot. This made a bit more in context. Thanks.
Check out Matt with the multiple cameras going. Video quality has come a long way since I first subbed. I recently used Rockwool to reduce sound transmission in a common wall. Easy to work with and made a noticeable difference.
my first demo job was removing rockwool blown in type. Crappy gig but learned a lot
I’m installing it right now
It would be neat if there could be product made with a high enough density to be used as an OSB alternative, or a Rockwool backed steel siding/roofing product designed to be used under hardie board siding/slate.
It exists. My neighbor used this for his roof. Super fast to install, saves a ton of labor. It's called a "rock wool sandwich panel."
@@Thoracius Could you give more details on this for a novice?
@@angellas.1314 I guess you just need to call around your area and see if anybody manufacturers this near you. It's just Rockwool with sheet metal glued to the surfaces.
Good timing I'm just getting ready to insulate my new home 1200 sf.ranch with 2x6 walls in southern middle Tennessee.
as a homeowner i love your videos dont listen to the crazies!
im using rockwool r15 & r30 right now in a remodel of my 2nd floor, great stuff
Hey,Matt. You should do a show specific to Gulf Coast elevated building. Lots of water and possible wind events, but we really want to keep heat out. Would love your review of hurricane sustainable builds.
Matt, I'm glad to hear that you are working with some builders from California. The desert southwest is a totally different animal, as far as insulation strategies go, than the North, South or East. I live in northern Nevada and we have cold, dry winters and hot, dry summers. Please give some insulation strategies that will work better in these type of climates. We feel left out!
Above, below and all around. There, I saved you 9 minutes and 40 seconds!!!
I’d like to see you dump water on the top edge of the rockwool. Rockwool is used as a growing medium and it holds water a LONG TIME. . It won’t absorb dumping water down the side like that but if you dump it on the top edge it will absorb after a little bit.
I needed to add a bedroom and decided to subdivide the "man cave". Because of all the potential noise in the common area, I decided to insulate the bedroom walls with Rockwool. It has done a fantastic job reducing the sound transmission. It was intended to be a temporary room, but it turned out so well I'm planning to make it permanent. It was my first time installing Rockwool and it was a bit more fragile than I expected. They do well most of the time, but if you're too rough with the batts they will break apart. It is convenient though for filling in small, odd shaped spaces and working around wiring. It was also dustier than I expected and a little itchy. I agree a mask, gloves, and long sleeves are a good safety tip.
I am looking at building an age-in-place home (at least 40 years) and I'm definitely considering it for that project. Up here in the northland I'm looking for energy efficiency and low maintenance. One thing Matt didn't mention is its mold resistance, mostly because it doesn't absorb water.
We used about 7 pallets of the different forms. They are all basically the same item safe n sound is a little denser, the r30 is 2 r15 molded together. Makes you itch for about a week no smell, particles should be swept up after all insulation is done if it gets embedded into drywall then painted over you will be left with a rust spot in a few months. Reduces ,ore of the higher pitch sounds mid to lower bass sounds can still come thru by stud transfer
Hydrophobic is better described as water hating rather than scared of. Enjoyed the content, thanks for keeping it coming.
Really good summary of the benefits of Rockwool. Thank you.
hehehe... "Vancouver... a very cold climate."
Every Canadian not from British California is still getting up from ROFL.
Vancouver being cold to Canadians as Miami being cold to Americans
@@zstarwarsz Vancouver is cold to Texans like Matt.
Aye.
British California lol
Helicobacter, Agreed. "Columbia", I dont recall auto-correct ever correcting it to California.
Hi Matt was wondering if you were aware of the wall building system called OSBlock. It's a new product from Quebec, Canada. This product is right up your alley. Hope you get to see my Post.
I've used this a lot in my home. Basement, and garage walls and anytime I pull sheetrock on a wall, I replace with roxul.
would love t see you do a video on two less common insulation types here in north america. Those would be rigid wood fiber insulation (like Gutex) and wool insulation. Both have very good characteristics/qualities and from my perspective cost and availability are their main drawbacks. There is however a company in Maine working to open a rigid wood fiber insulation plant and there is a company in Oregon using processing domestic wool for insulation.
I actually learned of you On RR Buildings with Kyle. You really do have a lot of informative content on your videos. Thanks for sharing your knowledge!
You should do a cost breakdown on energy savings vs extra money spent on exterior insulation. I would be curious how many decades it will take to get a return on the investment or maybe the value of the house goes up and you get your money back when you sell.
Great product, great informative presentation. Thanks Matt! 👍🏻
Hey Matt keep up the good work I am a big fan of your shows and use your commentaries with my clients to explain the pros and cons of all types of building materials and building processes .
I enjoy your humble approach to failure anyone that builds at times will run into a oversight in applications . With a good attitude failure can create a determined state of mind to get it right . We are all desperately want to avoid catastrophic failure whether financial or structural life threatening disasters . Your program is part of my Continuing Education after 38 years building new and renovating old houses . Cheers
Love that stuff. Put it in my duplex.
He is right about the thermal bridge. And the only way to avoid it, is by insulating trough the exterior. That is what the builders are doing in Portugal. And if we insulate inside we increase considerable the thermal insulation.
I did my shop with this stuff and it’s fantastic!
I saw a live demo of Rockwool, vs. Denim, vs. Pink Panther fiber glass and the cheap Pink Panther stuff destroyed Rockwool and Denim hands down in sound absorption and blocking abilities. Like 2 dB more than Rockwool Safe'n Sound.
i wonder how the safe'n'sound compares to fiberglass bats for sound transmission in floor joist applications. The rockwool batts are 3" thick vs a fiberglass batt which is 9.5" thick. The prices are near the same but 3 times the thickness with the fiber.
Sound is only half the battle.
Without stopping vibration as well it's a losing effort.
Fiberglass has very good STC ratings as does Mineral wool.
The lost component in this video is a good stud isolator like OC Energy Complete or GreenGlue on the studs before installing drywall
I wish soundproofing was standard for new constructions/remodels everywhere in the country or at the very least any rooms close to the kitchen. Building codes in NC a freaking joke!
Great Channel Thank You and I'd like your opinion:
1962 Phoenix AZ home 4x8x16 with the famous interior 1/2 inch furred out silver shield lined drywall as my only insulation. I'm going to stucco the exterior and would like to insulate. Rockwool? Foam Panels? Other options? Your opinion?
Hi Matt, Why are you using the Atlas high density foam panels on your house as opposed to the Rockwool for the exterior insulation?
Because rockwool is sponsoring this video
Because Atlas Sponsored that video.
I wish I had known about rock wool several years ago. My parents had an addition done and they wanted insulation put in between the first and second floor for sound dampening. Unfortunately the contractor used normal insulation so it did nothing for sound.
Hey Matt, can you do a deep south texas build guide? I'm in Laredo and getting ready to start the build plan; Laredo doesn't have the best rep for build quality.
Rockwool for acoustic projects, all day!!!
We want to replace our wood exterior with fiber cement siding. From what I can gather from your videos it would be the zip system with an overlay of rock wool. Then slats down the studs to connect the siding. Am I missing anything?
How safe is this product to handle? What chemicals is it treated with, are the fibres dangerous to health if inhaled etc... There was a time Asbestos was lauded as the wonder material and look at that now.
Gerard Cooney fibers are heavier than fiberglass so it doesn’t stay in the air as long. It’s made of rock, slag, and a oil coating for water.
Jason T thanks for the info. I’m not against Rockwool per se, rather let’s just say the jury is still out for me when it comes to inorganic fibres and their risk of inhalation. I’m more inclined towards organic products like cellulose, wool etc...
It's a shame they don't have some type of blown-in product for attics. I understand you would lose the "compactness" of the product but I would think they could engineer the product so it's in real small "chunks" that would settle close together. I want to remove my blown in white insulation in my attic and would really like a better, more dense product. Any ideas?
Ya I'm going to foam spray in my apartment soundgood
We use a lot of rockwool type insulation in Japan.
Lot of heat insulation in Japan? That's not what I heard :D
Great video. I live in the northern midwest and want to insulate my detached 2 1/2 car garage so I can try and do work in it during the winter months. I know when it gets below freezing it will still be a challenge to work in without a heater, but how can I keep it "warmer" than the outside? What product is best (and R value)? I don't have drywall, just studs for now. It does have an unfinished peak meaning no false ceiling and an attic. Also, is there something I can do to the concrete slap to improve warmth? Thank you.
Thanks. It would have been nice to know roughly where the product stands cost wise relative to other insulation types.
Jerod Matlock it’s kinda expensive.. John’s Mansfield makes a rockwool type insulation and it’s a little less expensive 👍
When I priced it with bulk discounts included, mine came to about 1.5x fiberglass. However, fiberglass is very difficult to install to get the rated values. Considering all of the other pros, I thought it was worth over 2x. So, it made sense for me. Given the option I will probably never use fiberglass again.
@@eh_bailey that is really good feedback - thanks
Everything that Matt does a commercial (video) for is more expensive. Everything.
@@hhiippiittyy true, but what I do like is that he gives you options and pros/cons. I offer this product to clients as it's the closest to spray foam benefits. This product may be a little more expensive, but worth every penny!
wonderful show this really is Matt.
Hi Matt, I really enjoy your show. I'd love you to cover aerogel insulation (pros/cons, cost, etc) and even compare it to other great insulation products like rock wool or air krete for example. I'm trying to learn more about the best insulation choice for R value, fire and water resistance and sound proofing and there's not a lot of information about aerogel yet.
Because it's expensive as fuck
@@NimaSoleimany Who asked you?
This is honestly a really great video..good job
Hi., from Europe please research >>>Formaldehyde is an component of Rockwool ...
those danish are smart for inventing rockwool. woohoo. thanks matt
Can't wait to see some California builders in your content.
Yeah because California is where the intelligence is at an all time high. “Hi I paid 2.2 million for a house that’s the size of my garage “
Plus INSECT RESISTANCE. Rockwool is da bomb.
That's a big deal. I've seen the data, but it's not yet published. Very impressive bug resistance. Totally safe to use below grade and not worry about termites.
For all the followers commenting.. how often do y’all use this in attics ? Panhandle Texas climate.. super hot in summer & cold winters .. thanks
I insulated my basement walls with seamed XPS flush to the wall and then placed Rockwool inside the 2x4 walls. I figure the $1k I spent is pretty cheap to give my family more time to get out of the house in case of a fire.
I guess no one around here carries that brand. Need 2x4 at 24' on center in either 11 or 13 but when I pull up the home stores (about 7 of them) only one carries it and only one style. I am doing the rafters on my detached garage and don't care if it is pink, blue, grey, or silver. My garage rafters are not the standard 2x6 so after installing baffles I am left with little space but I plan on getting rolls or batts that are 11r or 13r and pressing them in. The foam boards seemed expensive and the silver covered bubble wrap did not seem like the right then either.
I have noticed that they don’t make houses like they used too. They are mostly made from wood, and the price for them are just as high. What do these products do for a brick home? Or is there different kind of material used for brick homes?
Odd question. Since comfort board is vapor open, what would happen if someone used it to insulate the interior of an old historic brick house? Obviously worried about the walls being able to dry out, hence the question.
I have a 1960 home. There was a drop ceiling I took down. If I place the 16 on center with Rockwood will I need to put plastic stapled to ceiling joists before placing my tongue n groove ceiling? Home is in The Appalachia mountains, NC.