Lime Plaster on Cob Walls -- Breathable Mud Walls that will LAST 100s of years
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- čas přidán 8. 07. 2024
- Lime that I use for my base and finish plasters: NHL Standard from limeworks.us (Discount Code: KristinaB )
0:00 Choosing Lime Plaster
1:54 Wall Prep and Plaster Mixing
4:25 Tips for Working with Lime
7:28 Painting with Lime and Clay
9:35 Progress and How to Apply Paint
10:52 BIG MISTAKE
11:57 Overall Process
12:35 Mud Walls vs Concrete Walls
12:59 Why I Don't Buy Paint
13:45 Mistake #2
14:25 Why I Don't Use Cement Plaster
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I only have one question. It seems like there is a lot of gaps between the roof of the house and the walls, is that done by design also? Or will you be finishing that at a later date?
I would be concerned about bugs moving into your lovely house or if there is a lot of rain with wind that you would get a lot of moisture getting in.
hi Christina, love your channel. I wondered if you have any thoughts or musings on how you would approach building a swimming pool from natural materials, perhaps a saltwater wading pool for example. Just curious of your thoughts since you have so much experience and knowledge on the topic and you are creative!
Thank you so much! It is definitely possible to build but if it has sitting water (vs a tub which would be regularly drained) the finish would have to be super perfect for it to last, which is VERY hard to accomplish. You could try wood frame+mud plaster to create the shape of a small pool/tub. Then lime base, then lime tadelakt technique (ill have a video on this in the future!) on top. It is what we did to create our natural shower, BUT it isnt holding water for days at a time. I would say to try it on a small scale, test it, and see how it holds up!
Thank you for sharing your journey with us! A Cobb house is a dream of mine that will come to fruition in the next 5 years!
Did you add any electric and plumbing? If so is there a video of that?
So happy you are enjoying! Electrical and plumbing went in before mud plastering/lime plastering! I dont have a video on it, but it is just like a regular home. Pvc tubes for plumbing and electrical go through the floor and within wall structure. You mud plaster over it, and then you can pipe in all the wires once the walls are all finished!
Hi Turiya, thanks for sharing this. Do you know if type-s lime can be used instead of NHL for a thing finish coat over a prepped wall?
I havent used it specifically, but I would said it is worth a try! Type S lime has magnesium, and the original lime deposits used for tadelakt in Morocco contained magnesium as well. So I have a feeling it may behave like a proper tadelakt! However, depending on the percentage of silicates in the mix, you may need to add fine silica sand (just a tad) for it to hold
No comprendo
excellent video! quick question: what were mixed in 3:05? and what's the ratio?
For the base coat, i use 1 part NHL Standard 3.5 lime (from limeworks.us) and 2 parts fine graded sand from the hardware store (NOT fine silica sand). Add water until wet mash potato consistency, mix for 10 min! This is just for the base coat!
@@turiyapanama amazing! Thank you very much!
An awesome video! Thank you 😊. I am on my lime journey, what an amazing material. Would using lime putty be easier, less caustic? Or are there advantages to using the NHL powder form for plastering, a better reaction on the wall? I know there are hot lime plasters in the UK.. with Cal viva..quicklime!
Thank you!! I'm happy you will be using lime too! The thing with lime putty is you can't control how much water is in it. Lime putty is great for paint, but it may have too much water for a plaster base. I think it would still be caustic and should be used with care. I have had great results with NHL powder as a plaster base, haven't worked with quicklime. But if you are starting out, i found my method relatively easy (once i got the hang of understanding the curing process!) Hope your peoject goes well!
@@turiyapanama Thank you, your information and experiences are very helpful!
What a wonderful project. It really looks beautiful. Lime just has a certain glow, a pearly silkiness. It will be nice to hear your assessment of the other types of paint. You said you're trying many different types. Have you seen the wheat based clay paint by the Nito project ? The colour is quite intense.
Thank you!! I love the nito project! I've loved lime so much that I haven't tried other clay-based paints yet! But I am interested in wheat and milk-based ones 😊
@@turiyapanama My you have amazing success with them all.
Is it durable plaster on mud wall
@nshri27 very durable! But like needs to be cured properly. Gollow the tips section of my video on wetting the walls, protecting it from light/sun etc
I live in the mountains where we get snow. Insulation is a concern. Water falling in the imperfections then freezing ....as you know ice expands ....will that cause further ruptures?
you have to be mindful of what type of wall you make and also WHEN you do the work, for cold climates. For insulation, you would want straw infill, mixed with clay slip, or you could do a strawbale home. For lime plasters, you need to do them during the spring or fall, where you can have a 2 month period outside of freezing water or very hot days. Freezing water can prevent the crystal formation in the lime and cause cracking, but if the lime can cure outside of those temperature extremes, and if applied properly, it will last decades without maintenance!