How To Use A Framing Square To Build A Roof
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- čas přidán 22. 05. 2024
- In today's video you will learn how to use a framing square to build a roof. There are at least four different methods for calculating rafter lengths for a roof, and in this video we are throwing the calculator away and using only a framing square to find our rafter lengths.
Have questions or need help with a project find me on Instagram: / traininghandsacademy
Rafter Playlist: bit.ly/3cRqTmd
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0:00 Intro
0:20 Solve for Total Run
1:08 Solve for Rafter Length
3:50 Layout & Cut Rafters
5:18 Solve for Hip/Valley Rafter Length
6:58 Outro
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INSTAGRAM: / traininghandsacademy
FACEBOOK : / traininghandsacademy
My name is Josh Fedorka, and I’m the founder of Training Hands Academy™. I have been a carpenter and woodworker for over 25 years. I have also held certifications in home energy auditing and have built several LEED certified homes in New England.
God has gifted me with many “hands on” skills and it is my calling and purpose to share those skills by teaching others. Whether it is to seek a career in carpentry, become a general contractor or improve one’s DIY skills and knowledge, the motivation behind THA is to help others successfully learn how to work with their hands.
My Rafter Playlist ---> bit.ly/3cRqTmd
I bien cutting roof rafters for 20 years and I never figured out the framer square!! I went straight to the calculator from the beginning that was the way I was thought! Good video 👍🏼👍🏼👍🏼
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Thanks for that clear to follow video. I've been a carpenter for 30 years and no one has ever shown me how to properly use the framing square rafter table. 😉
You do a great job breaking things down and explaining the process.Keep making these videos.
That is the clearest explanation I've ever come across. Although I'm not a builder, this is really interesting and SIMPLE, like me. Thanks.
PS: I have to laugh, when will you Americans go the full metric, its SO MUCH EASIER than converting ft / ins to decimals & back again! And in the UK all timber is supplied in metric. Even so, I can now understand my METRIC framing square! Thanks again.
What a great video! I do small time carpentry in my garage and wanted to build a dog house, but have never really understood roof pitch. I have no formal training and have never worked in construction or carpentry. Your videos have been a great a help, and I really appreciate you making content like this! Great job, and Merry Christmas! :)
Merry Christmas Zachary!
Hi , I just want to say Thank you so much for taking the time to make these videos. I have watched many how to diy videos and I must compliment your teaching style you make it easy to understand and you are in depth without being boring. I love the right to the point style . I truly appreciate you.
You are very kind. Thank you.
The advent of the manufactured truss has really ruined a lot of newer carpenters. Actual stick framing is becoming a lost art. Very well done video.
Definitely true
Many thanks ,I have used one of these for many years,, just as a large square, and now i know how to find angles and lengths, thank you,,from dear old England.
Greetings Neil! Thanks for the comment.
Your rafter playlist is seriously the best on the CZcamss. Thank you so much.
Glad you like them!
This was awesome.. thank you. Big help!🙌🏼
Awesome! And clear explained… thank you so much… and thank you for the wrapping of the video with a blessing, amen 🙏🏼
You are so welcome!
God Bless you and your family sir.
Great video.
Merry Christmas
You just saved a man's a career and two people's family hod bless
Thanks! The videos with calculators were just confusing me ..glad to have found this one.
Glad it was helpful!
Fantastic training video for me. Thank you and Merry Christmas!
Merry Christmas!
Excellent excellent excellent. Thank you sir.
Brilliant, will be watching the rest of your videos 👍👍👍🤓🏴
Thanks 👍
nailed it all meat no fluff thanks m2j
Helpful indeed
Happy holidays!
Great video thanks
Great video keep them coming .
Thanks, will do!
Thanks so much for your help
Any time!
Your videos are FREAKING awesome !!!
Nuf sed . 👍
Thanks 👍
You are really good nice job
4:28 measure the 5" from the edge. It's easy to miscalculate 5" in the middle of the board.
Awesome job... blessings to you as well
Thank you!
Thank you sir. To me you done an excellent job on the video. Alot of guy that has worked for me in the past(wanted$20 a hour.) Wanted to use calculator. With my stepped off rafter. I bet them ever time.
Awesome job brother. Merry Christmas.
Merry Christmas!!!
Thanks really like your videos
So nice of you..
Thanks so much for putting metric on this
Really enjoying the tutorials. In the construction field it's way to common to throw greenhorns on the job and say do this. And not show why or how.
Sir thanks and love you
Thank you for the blessing
You are so welcome
Great videos, I am trying to learn how to use the carpenter square, great book called the “Steel Square” by Gilbert Townsend. Out of print, but absolute Gold if you can find one. Apparently you dont even need a tape measure if you know how to use the square!
Thanks
Awesome education many framers never use anymore due to manufactured trusses commonly used. Here's a question ... When two roof pitches intersect making a valley, if the same pitch or not. How do you get a accurate sheeting cut on the end into the valley? I swear two of us had screwed up four sheets after both measuring twice before cutting. Measured distance from end of last square sheet at top and bottom and it didn't work.
Awesome videos I have learned alot keep them up! Got any tips on how to swing a hammer seems like I’ve been bending a lot of nails lately and smashing fingers lol
Great video , can u show how the double cheeq cut’s value from the square are applied ? Thank’s
I learned a lot from you this year Josh and looking forward to learning a lot more in 22. Wishing you and all a happy Christmas and happy new year
Thank you Nigel! Merry Christmas my friend!
TYVM
I am not good at math at all
my head just exploded😵💫
Seriously I have a learning disorder but still interested in things like this
Good Seasons to yours and you
不错！感谢
感谢您的收看！
Can you do a video on framing a Dutch gable roof? No one has a detailed video on it yet.
I love stepping back and looking at my roof after there completely done. With live valleys and, hip roof. Like to send you some pictures of some. I just don't no how. Lol.
I love to do the same thing! If you are on Instagram you can find me and send them, or email. josh@traininghandsacademy.com
very helpful material, I just missed calculating the length of hip jacs
PROPS brother
Thank goodness for guys like you, rafters an steps confuse me so bad! U gotta be a math magician to figure this stuff out, too many numbers lol
Lol, I totally get it!
We have a roofing square in the UK made by G Gibson. Its metric but its the best and most thorough square sold. You can work out every possible bevel needed on a roof. We mainly have a degree of pitch to work with rather than a rise/run.
Dude, thank you for sharing this. Can you provide the link to that tool please.
Smallwood were the original imperial framing square in the Uk. We get taught to use this square at college during our apprenticeship. Ive been using this for the past 30 years roofing. Comes with a detailed booklet too.
I was hoping to see how to cut the angles of the rafters that come of the hip rafter
Great instructions but couldn’t you have stepped your framing square 2 times and take off 3/4” for half the rafter thickness?
Thank you for sharing and clarifying, Are you still considering a video on Valley's?? I look forward to hear from you you bye for now, I'm a new supporter my name is Ken
And God-bless you happy new years in merry Christmas
I will make a valley rafter video... just don't know when yet. :)
Is there another purpose to use a spade bit other than framing? Can it be used for fine wood working? I try to find a video how they use it on youtube but no one seemed to be using those other than framing.
Might be a bit too rough for fine wood working but if its not visible then why not. But I find it more satisfying to use bits that make holes with better guality. Spades are more of making a hole fast and efficient and they are not too sensitive for driving into nails. Also cheaper that good guality drills.
I want to ask you a question about roof rafter slope .can we use this formula ? Sin X°=a/c. thank you!
Not sure. Maybe someone else here knows.
Have you seen the CZcams video on the Lorreto Chapel, supposedly the carpenter who built it only had a square like your tutorial. The spiral staircase built from ground to choir loft had 3.5 turns in the spiral without a center pole, is this possible with just a square?
Wow, just looked that up. I don't know how to explain that... God inspired for sure. Don't you just love craftsmanship!
@@TrainingHandsAcademy yes, God inspired for sure, I also wanted to compliment you on your video, excellent explanation!
Great video as always. I just don't understand how can we use the same measurement for common rafter (1.94) which is based on 12" per run for hip rafter which is based on 17" per run?
Thanks RH. You mean the same run measurement?
@@TrainingHandsAcademy
Thank you for quick reply.
I was confused about the run for a common rafter vs run for a hip rafter. They are not the same length. After many of your videos and calculations I figured out that 12" (common)) rafter and 17" (hip rafter) have to be calculated as the same (one) unit?
Do you/training hands academy have hands on classes?
Thank you :)
@@RH-vm1pm Unit run for a common rafter is 12". Unit run for a hip rafter is 17".
How does the long point of the rafter sit flush with the top of the ridge? Is it by cutting the birds mouth the width of the wall? I’m a little confused with that whole part
Yes, the birds mouth does allow that to happen.
Well, Happy Holydays!
What about the rise. Thanks
👍👍👍👍
how did you know what angle for the 5 inch overhang. It looks like you just free handed the angle with the tape measure. in the video. please explain. thanks
What's the time stamp in the video for that?
@@TrainingHandsAcademy 4:28 in the timestamp
@@garyvanvranken1028 I measured over 5" with the tape and then used the square set at the 6/12 pitch.
How do u figure out the soffit cut length
How do you know the facea length
What determines the 4 inch value at 4:34 please?
The overhang amount and soffit cut numbers are almost always different for every roof, and it really comes down to design, preference, and/or what type of trim you’ll be using. Therefore, the 4" in this video is just an example. Hope that helps.
I am a fellow believer in the Lord Jesus as well, as you have suggested you are by asking if we need any prayer. Praying for your channel, that God would bless it further and you can reach people as well. As someone who is just starting out in construction, I believe your videos will be of great help. Would really love to learn more. Please continue to make videos. And I signed up for the class you have on your website, for further updates. Lord bless you and keep you, making his face shine upon you and be gracious to you.
Thank you my brother! God be with you.
A squared plus B squared equals C squared. Works every time
Every time! :)
This would be so much easier if using MM or meters, a lot less conversions lol
Can't get a framing square like yours in Europe.
Wow, really? Do you have something else similar?
@@TrainingHandsAcademy no not really
@@danthechippie4439 Ok, hopefully someone else here in the comments will know more about this.
If your in the UK Dan axeminster tools do one
@@karlkjj il check them out, thanks
just need a speed square and a torpedo level
Little confusing if u can make this same video but slow it down would b great
What is the long hand math ( not using construction pro) to calculate the Jack Rafters? I get and understand 95% of all your rafter playlist. I can manually ( long hand ) use math to get hip and common and all the other parts. I have put all this in an Excel sheet, But what I can’t figure out is the math ( again, long hand ) of finding the jack rafters.
The math is unit run over unit length = total run over x (total length of Jack). You then need to solve for x. For example a 8/12 roof would have a jack length of 19.23 (19 1/4") The math is already done for you on a framing square. Third line down on the rafter table shows "difference in length of jack's 16 inches centers" which again is 19 1/4". Therefore, the difference (19 1/4") is actually the first jack length, IF your layout is from the end of the valley rafter (or overhang), OR that 19 1/4" can be subtracted from the (common) king rafter's length to get the first jack rafter to the right or left of the king rafter. You may or may-not need to subtract the 7/16"... just depends on how you frame the valley or hip. Bottom line, the numbers are all on the framing square which is really great. I need to do a video on this. I hope that helps.
@@TrainingHandsAcademy thank you so much for the reply. Now it’s time to study your response… your videos are hands down the best on YT.
@@jcpad1797 Thank you very much.
Frame roof rafters with a framing square as intended. Keep exercising your brain. Use it or lose it........
As a professional carpenter, I just step out the rafter with the square. It's faster than trying to figure out the math and is the most accurate. I would be done by now and you are still trying to do math...
Already did a video on that czcams.com/video/QV7hfQJ15o0/video.html
There's nothing more accurate than the calculator. Use it for the math and the square to put it on the board.
What is wrong with metric , its better than feet and inches so why?
Ask the United States Government.
While this does give a good idea what the numbers mean on the square, I think your explanation gets a little lost in the weeds. Though, ultimately, you still get the correct answer!
Dividing the run by 12 isn't converting it to feet, otherwise your outcome would also be in feet. Irrespective of the unit your run is measured in, you'd still need to divide it by 12 and it would still work with the values on the square! Inches, feet, meters, metres, furlongs...it doesn't matter! As long as the slope of the roof is expressed in inches of rise over 12 inches of run, the ratios of the triangle's sides will remain the same regardless of how the actual building is measured.
That is fantastic. Thanks for adding this info!
Dude you were talking so fast I didn’t know what you were talking about.
I've seen better.
But not many 😎👍