Great video, just learned how to build gable and hip roof at carpentey school and even just you changing the colors of each cut on the rafter and pointing out that its essentially THREE triangles to layout tail, birds mouth, and plumb cut... Man, its so simple but incredibly helpful. Im subscribed. Thanks
Sir, this is a stellar video. Very well produced and well thought out. You are highly articulate and don't miss a beat in your presentation. I laugh at people who think of tradesman as being inferior because they have college degrees or work behind a desk. I have degrees and do both. I make stuff with computers and manufacture stuff and have been doing so my entire life since a kid. I can hardly remember any college professor, yet I remember a lot of the skilled tradesman and mechanics I've met in my life and what I learned from them. These are the men I would want to be stranded on an island with and not the theoretical engineers who rarely can twist a wrench. Your video was perfectly executed sir and your other video snooping out the grinder disc direction while questioning your boss shows you're thinking about stuff. Thanks for doing it! Bookmarked and I will subscribe - something I rarely do.
This video got me to subscribe. I like the format of your videos. You will have a half million subs in a little over a year from now. Keep making content. Thank you.
This is a great video. Started in construction back in '98 as a roofer and had to fix a lot of rafters. Transitioned to Carpentry back in 2000, I wanted to learn how to do this and I did when I was sent to Carpentry School. Let me tell, I have come across numerous Carpenter Journeyman that do not have the knowledge featured on this video. At the same time, I have had 60 to 70 percent apprentices that can do and a lot more featured here on your video. Last 3 years I was working with a company that is building numerous 4 story buildings with 4 feet overhang, we were stacking and sheeting. We also stacked single family homes, track homes, 3 of us were right behind the wall framers. Four bedroom homes, half day to stack with fascia, a 40 percent apprentice behind to sheet. I have sent a link of your vid to some people that I know could use this knowledge. The easiest part was installing the metal hardware and hurricane ties on the top plates, almost forgot, there were also metal hardware on every blocking, LOL. Subbed.
My life have changed after i watched this video. Now i have a dog, a speed square and a cup of coffee from Friend Cafe in Puerto Rico. My hair is longer and i still bot knowing how to cut a rafter, but i appreciate you guys for reading me.
Great and informative video! Nicely done! I will just add a note to always use the same rafter as a reference when marking up the other rafters. As the measurements tend to grow otherwise. Been there done that!😂
Amazing...!!! I've always wondered how to do this the easy way. I'm just a hobby builder & built a few garden sheds, but I've always resorted to holding the wood in place and eye-balling it. This works great (& easy)... Thank You!
I used to have a little blue book from back in the 70’s I think it was called the roof framers bible. It was based on the span of the building from outside plate to outside plate. You could use the book or use the step- off method using a framing square . I think most pros nowadays use a construction master calculator.
Impressive video, James Gatlin. Eager to see your next upload from you. I smashed that thumbs up button on your content. Keep up the fantastic work! Your breakdown of the rafter pitch calculation was so clear. How do you think advancements in cutting technology might further streamline the rafter cutting process in the future?
Are you kidding me 12 years to reach this point? How how about in elementary school. And get rid of Highschool. They have made it such a waste of time. In Japan their kids learn 15X what our kids learn. And must apply to go to high school. As schooling is done after middle school there.
Different strokes…I think it is beneficial for some to show the ALL the math. Some of these videos skip steps making it unclear where some of the dimensions come from. For example it makes clear the length of the rafter to the outside of the top plate vs the distance to the inside of the top plate. This just breaks it into more steps…not necessarily a bad thing.
In depth learning isn't for everyone. Everyone learns differently. This guy works great for those who want to know the 'WHYS' and not just the 'HOW TO DO IT RIGHT NOW'
I almost skipped this video due to the length since most videos explaining rafter and birdsmouth are insanely long winded and complicated. However I was pleasantly surprised at this video. As a person who liked algebra this was extremely helpful.
Good stuff. Even the math (which usually freaks people out) is relatively straight forward. But the reference sheet is not available as two other comments pointed out. Link it. seems like a solid reference. ~ Work Smart
when you cut with saw ,use the cartoon exsample, would you cut the tree branch out from under you,turn the saw so the moter is on the side that is bigger much more stable cut
Don't use a round one as seen in the video. Get (they usually come in pairs) six-sided ones. (hexagonal) usually called stair guages. The round one won't align with the edge properly & you won't get the right measurement unless you use it a different way.
Step 2 needs parenthesis for proper order of operations... Also would be good to mention to use ONLY the first rafter as a template for all of them, or you end up with bigger and bigger diverging/inaccurate rafters
its the drop in inches per every foot on a roof.....take a level and measure a 12in mark, put it on the roof, level it and measure down to the roof....that will give you the pitch in inches
Trusses are made in a lumberyard factory using jigs, according to the customer's specs. *Why don't these same lumberyards produce rafters according to the customer's specs?* In that way, the customer would pay for only the wood they need (no waste) and save time while ensuring consistent results.
Your question assumes that whoever makes your rafters would do it for free and only charge you for the material. Not trying to be a smartass but are you a democrat by chance? I ask because your question leads me to believe that you might not be familiar with the costs associated with final products, which would be understandable if you've never had to deal with the side of business that the public doesn't see.
Thicker or do you mean wider? 2 X 10 as opposed to 2 X 4? Thickness of a board is normally 1.5 inches for either width. Anyway, great video. I am showing this to my wife that teaches geometry. She is always looking for real world examples of math for her students.
I have built houses since 1986. I am totally confused I can measure the total wall, add an inch for the siding, and divide in half 10 ft wall would be 5ft and a half inch run
The pitch being based on 12 makes this all very awkward to work with. I get it that a foot is a common measurement unit in the US, but for the rest of the world, that’s approximately 30cm and 30 is even less convenient to work with. When I get a chance, I’ll have a look at this and see can I modify your formula to work with pitch based on 10, for everyone outside of the US. Otherwise, this looks like being a very helpful guide. For what it’s worth, in a throwaway remark, you said rafters are not made from 2x4, but actually much fatter material. In fact, older roofs commonly used 4.5x1.5, back when imperial units were still in use, thanks to the British Empire. Anybody replacing individual rafters in such a roof will still need a framing square, unless they can use an old rafter as a template. But still, this is a useful video and I’ll refer to it again, particularly if I can make the maths (I know, “math” in the US) work. Thanks for posting this
With your speed square, it has angles on it, so once you determine your angle of degrees, all you have to do is measure your needed length then all joins will always align perfectly, plus your chop saws are scaled in degrees, not inches of slope, and professionals use the degree indicator on the chop saw to cut the angles, so you will need to know your degree angle to use professional tools, which is how you should do it originally. 😎👍
Hold the speed square to any straight edge and read the pitch on the degree scale at the edge. Set the saw to this (or the reciprocal) I don't know anyone who is going to struggle every rafter into the miter saw. Just crown all your rafters and make a short template with a scrap nailed to the top (making a 'T' section. Make all your ridge cuts and measure from the point to mark out your birds mouths and tail cuts.
This is overly complicated and I can do all that without a single mathematical calculation. The speed square already has all the preset angles you need, everything else can be done organically on the spot, adapting to the material and the tools at hand.
I’m guessing it’s the smallest increment he is able to measure accurately along with the number that is closest to being whole. 5/16ths makes more sense than 2.5/8ths or 1.25 quarters of an inch.
pick your denominator (bottom number of fraction) and multiply by that, if you like to work in quarters use 4 x if you like 8ths use 8 x. if you are really precise use 32 x but make sure your tape goes to 32nds
Yep, I teach this subject in a college level construction tech. class and am always looking for simpler ways of explaining it to students. This ain't it.
You literally know nothing about roof framing or a framing square. What you have done in 15 minutes any self respecting framer could have calculated in less than 30 seconds!
I prefer the way Russians build their houses and their carpentry. They don't include all this math into things as a front on how smart they are or how scientific they are. They just start in the middle of the roof and measure down on either side, cut, fit, then reinforce the rafters to the midpoint to strengthen the whole structure.
Great video, just learned how to build gable and hip roof at carpentey school and even just you changing the colors of each cut on the rafter and pointing out that its essentially THREE triangles to layout tail, birds mouth, and plumb cut... Man, its so simple but incredibly helpful. Im subscribed. Thanks
WoodPrix is a good solution for every woodworker.
Where is carpentry school?
Sir, this is a stellar video. Very well produced and well thought out. You are highly articulate and don't miss a beat in your presentation. I laugh at people who think of tradesman as being inferior because they have college degrees or work behind a desk. I have degrees and do both. I make stuff with computers and manufacture stuff and have been doing so my entire life since a kid. I can hardly remember any college professor, yet I remember a lot of the skilled tradesman and mechanics I've met in my life and what I learned from them. These are the men I would want to be stranded on an island with and not the theoretical engineers who rarely can twist a wrench.
Your video was perfectly executed sir and your other video snooping out the grinder disc direction while questioning your boss shows you're thinking about stuff. Thanks for doing it! Bookmarked and I will subscribe - something I rarely do.
No experience on hand, this is absolutely the best video. I learned a lot. Thank you !
This video got me to subscribe. I like the format of your videos. You will have a half million subs in a little over a year from now. Keep making content. Thank you.
Great job. Thank you. I already printed the worksheet.
As a union carpenter these videos are as informative as my 40 hr roof framing class
This is a great video. Started in construction back in '98 as a roofer and had to fix a lot of rafters. Transitioned to Carpentry back in 2000, I wanted to learn how to do this and I did when I was sent to Carpentry School. Let me tell, I have come across numerous Carpenter Journeyman that do not have the knowledge featured on this video. At the same time, I have had 60 to 70 percent apprentices that can do and a lot more featured here on your video. Last 3 years I was working with a company that is building numerous 4 story buildings with 4 feet overhang, we were stacking and sheeting. We also stacked single family homes, track homes, 3 of us were right behind the wall framers. Four bedroom homes, half day to stack with fascia, a 40 percent apprentice behind to sheet. I have sent a link of your vid to some people that I know could use this knowledge. The easiest part was installing the metal hardware and hurricane ties on the top plates, almost forgot, there were also metal hardware on every blocking, LOL. Subbed.
My life have changed after i watched this video. Now i have a dog, a speed square and a cup of coffee from Friend Cafe in Puerto Rico. My hair is longer and i still bot knowing how to cut a rafter, but i appreciate you guys for reading me.
Great and informative video! Nicely done!
I will just add a note to always use the same rafter as a reference when marking up the other rafters. As the measurements tend to grow otherwise. Been there done that!😂
Enjoyed the video, thank you!
Great video. Bookmarking it for my wife so she feels more confident cutting rafters when I’m not around to do it for her.
Great video, easy to follow your directions, the sheet will come in handy too.
Amazing...!!! I've always wondered how to do this the easy way. I'm just a hobby builder & built a few garden sheds, but I've always resorted to holding the wood in place and eye-balling it. This works great (& easy)... Thank You!
I used to have a little blue book from back in the 70’s I think it was called the roof framers bible. It was based on the span of the building from outside plate to outside plate. You could use the book or use the step- off method using a framing square . I think most pros nowadays use a construction master calculator.
I have to get your sheets. Honestly, I’m not math-challenged. This makes the process so easy and documented.
Well done best explanation I have seen on this subject thank you
Great video, I appreciate you making it. That said, the dull pencil really messed with my OCD. LOL
Outstanding video, excellent very well explained and made so simple
Nice job🤙🏽 I like the break down
Great video. Perfectly explained.
great tutoring!
Impressive video, James Gatlin. Eager to see your next upload from you. I smashed that thumbs up button on your content. Keep up the fantastic work! Your breakdown of the rafter pitch calculation was so clear. How do you think advancements in cutting technology might further streamline the rafter cutting process in the future?
You’re good! And that sheet it’s a great idea I finally understood after 2587 😂
Thank you! 👏🏼
The kind of math needed in high schools.
except the rounding
I totally agree!
Are you kidding me 12 years to reach this point? How how about in elementary school. And get rid of Highschool. They have made it such a waste of time. In Japan their kids learn 15X what our kids learn. And must apply to go to high school. As schooling is done after middle school there.
As a contractor I can tell you this guy makes it way to complicated to understand I recommend watching Larry Haun if you have any questions at all
I’m not a builder but I grew up on a farm and we built a lot of buildings and things and I was thinking the same thing! Seemed complicated to me.
Different strokes…I think it is beneficial for some to show the ALL the math. Some of these videos skip steps making it unclear where some of the dimensions come from. For example it makes clear the length of the rafter to the outside of the top plate vs the distance to the inside of the top plate. This just breaks it into more steps…not necessarily a bad thing.
Haun the man!
Larry Haun is the original and the best, I peek in to some of these videos to see their techn and most are ......well I will say have a great day
In depth learning isn't for everyone. Everyone learns differently. This guy works great for those who want to know the 'WHYS' and not just the 'HOW TO DO IT RIGHT NOW'
Excellent video, thank you
Great video thankyou for the upload ❤❤❤❤❤❤❤❤
Already a member of WWGOA 😁
Gracias por compartir tu conocimiento. 👍👍👍👍👍 & subscribed!!!
Good job your a natural
I almost skipped this video due to the length since most videos explaining rafter and birdsmouth are insanely long winded and complicated. However I was pleasantly surprised at this video. As a person who liked algebra this was extremely helpful.
Great vid. Well explained.
Excellent I learn a lot
❤❤video great thanks roy 😊😊
😂😂😂 you lost me where you said this is a sample square 😂
Thank you!
a hand cut roof like this in the UK is now a rare thing. In my Dad's day it was ALL hand cut roofs for houses....the skill set gets less and less.
Not something I need to know, but enjoyed the learning anyway!
Brilliant!
Roofs are fun!
A friend of mine showed me how to do it with a framing square in about 15 min. It was way less complicated than this!
Great video!
thanks James. What if I wanted the birds mouth triangle the other way, so that it sat against the inside of the plate? This is how we timber frame
Good stuff. Even the math (which usually freaks people out) is relatively straight forward. But the reference sheet is not available as two other comments pointed out. Link it. seems like a solid reference.
~ Work Smart
Please post a link for the rafter worksheet.
Done, my bad
16:39 @@james_gatlin
when you cut with saw ,use the cartoon exsample, would you cut the tree branch out from under you,turn the saw so the moter is on the side that is bigger much more stable cut
GRACIAS por enseñar.
where did you find that little button you screwed onto the speed square????
Don't use a round one as seen in the video. Get (they usually come in pairs) six-sided ones. (hexagonal) usually called stair guages. The round one won't align with the edge properly & you won't get the right measurement unless you use it a different way.
Step 2 needs parenthesis for proper order of operations... Also would be good to mention to use ONLY the first rafter as a template for all of them, or you end up with bigger and bigger diverging/inaccurate rafters
Where did you get the 16 when you multiplied .31 x16
Can we do more videos of birds mouth cuts more throughly?
is there any way I can print the chart you are talking about?
So do you carry that piece of paper with you on the job to figure out rafter lengths every time?
Its a practice peace only, as mentioned in the video.
@ just trying to figure out if you have that formula in your head
Thanks
What happened to A squared + B squared = C squared ? Just a question
He used it in step 4, Pythagorean
It’s all Greek to me
It's right there on the video.
Halfway through i lost the will to live, 😂 ive seen much easier explanations
thank you
I like learning stuff like this, but I am glad i was not a carpenter , working on machines cars, trucks , semi 's is more fun.
its the drop in inches per every foot on a roof.....take a level and measure a 12in mark, put it on the roof, level it and measure down to the roof....that will give you the pitch in inches
What gauge shot shell reloader is that in the background?
amzing vid
Thank you sir. You may have just helped me become superman again to my wife. LOL
Any good building inspector will call you on the height of your ridge has to be equal or more than your plum cut on your rafter. Thanks
Can’t find the link to the work sheet.
Trusses are made in a lumberyard factory using jigs, according to the customer's specs.
*Why don't these same lumberyards produce rafters according to the customer's specs?* In that way, the customer would pay for only the wood they need (no waste) and save time while ensuring consistent results.
Cost. Trusses are engineered and need a stamp as well as an architectural drawing. Rafters don't require any of that.
@mattdg1981 So rafters are just designed by guess and don't have any particular spec for dead load, live snow load, etc?
@@codetech5598 There are tables in the building code. Or see the tables from Western Wood Products Association. WWPA
@@codetech5598see IRC
Your question assumes that whoever makes your rafters would do it for free and only charge you for the material.
Not trying to be a smartass but are you a democrat by chance? I ask because your question leads me to believe that you might not be familiar with the costs associated with final products, which would be understandable if you've never had to deal with the side of business that the public doesn't see.
GENIUS! EASY TO UNDERSTAND... I GIVE YOU 5 ⭐⭐⭐⭐⭐
The rafters were not even with ridge. Is that how it’s supposed to be?
there’s no link to the worksheet
Added my bad
Your ridge needs to be a 2×6 to properly support those rafter ends.
also rise times 12 over the run will give the inch rise
Thicker or do you mean wider? 2 X 10 as opposed to 2 X 4? Thickness of a board is normally 1.5 inches for either width. Anyway, great video. I am showing this to my wife that teaches geometry. She is always looking for real world examples of math for her students.
I have built houses since 1986. I am totally confused
I can measure the total wall, add an inch for the siding, and divide in half
10 ft wall would be 5ft and a half inch run
Yay Pythagoras !
Amaricans a Canadians should join forces to face the tyranny around us and make 1 great nation
Just figure the building width mark the middle of building put a 2x4 temp up figure your pitch pull tape and that's that easy
The pitch being based on 12 makes this all very awkward to work with.
I get it that a foot is a common measurement unit in the US, but for the rest of the world, that’s approximately 30cm and 30 is even less convenient to work with.
When I get a chance, I’ll have a look at this and see can I modify your formula to work with pitch based on 10, for everyone outside of the US.
Otherwise, this looks like being a very helpful guide.
For what it’s worth, in a throwaway remark, you said rafters are not made from 2x4, but actually much fatter material. In fact, older roofs commonly used 4.5x1.5, back when imperial units were still in use, thanks to the British Empire. Anybody replacing individual rafters in such a roof will still need a framing square, unless they can use an old rafter as a template.
But still, this is a useful video and I’ll refer to it again, particularly if I can make the maths (I know, “math” in the US) work.
Thanks for posting this
With your speed square, it has angles on it, so once you determine your angle of degrees, all you have to do is measure your needed length then all joins will always align perfectly, plus your chop saws are scaled in degrees, not inches of slope, and professionals use the degree indicator on the chop saw to cut the angles, so you will need to know your degree angle to use professional tools, which is how you should do it originally. 😎👍
Hold the speed square to any straight edge and read the pitch on the degree scale at the edge. Set the saw to this (or the reciprocal)
I don't know anyone who is going to struggle every rafter into the miter saw.
Just crown all your rafters and make a short template with a scrap nailed to the top (making a 'T' section.
Make all your ridge cuts and measure from the point to mark out your birds mouths and tail cuts.
nice
This is overly complicated and I can do all that without a single mathematical calculation. The speed square already has all the preset angles you need, everything else can be done organically on the spot, adapting to the material and the tools at hand.
How does 4.96 equal 5/16 lol. I’m lost in that part
the span is the whole distance from outside of building too outside an the run is half the span so the run should be 9 inches
I could never figure out why to convert to a fraction you have to multiply by 16
I’m guessing it’s the smallest increment he is able to measure accurately along with the number that is closest to being whole.
5/16ths makes more sense than 2.5/8ths or 1.25 quarters of an inch.
Because the finest measurement carpenters use is 1/16 inch.
pick your denominator (bottom number of fraction) and multiply by that, if you like to work in quarters use 4 x if you like 8ths use 8 x. if you are really precise use 32 x but make sure your tape goes to 32nds
I appreciate all the insight guys!
Wow, making a very simple basic operations a time-consuming of numbers etc etc. Never heard of periodic tables?? 1 calculation for all the needs.
Yep, I teach this subject in a college level construction tech. class and am always looking for simpler ways of explaining it to students. This ain't it.
I never cut past birdsmouth
I wonder if mathematicians would cringe at this.
should be mandatory learning...
There is i easyer way just make it up on the ground from some planks as you wish i do this all the time is faster. and precise.
You literally know nothing about roof framing or a framing square. What you have done in 15 minutes any self respecting framer could have calculated in less than 30 seconds!
Oh how I wish this was in metric 😂
@blfrie yeah I know it just makes it easier to follow along, good video nonetheless
It is. Just divide everything by 2.54 first
It kinda is when he used 1.5 inches instead of 1 1/2 inches. That's when I tuned out.
All well and good if your walls are perfectly straight and parallel.
why that little cheesy music in the background
You can perfectly do your roof rafter without math & calculator.
I prefer the way Russians build their houses and their carpentry. They don't include all this math into things as a front on how smart they are or how scientific they are. They just start in the middle of the roof and measure down on either side, cut, fit, then reinforce the rafters to the midpoint to strengthen the whole structure.
Türkçe altyazı olsa ıyi olur teşekürler
👍
Lol hella confused when he pulled of these numbers and paper lol
do you think the old timers back in the day went through all that to cut a damn roof board
They definitely had to know the numbers, whether calculating or repetitive learning.
next time use 3.5 inch top plates that are mostly used every day not 1.5 inch
This video correctly explains the fundamentals. If you have 80 rafters to set, see Larry Huan's videos for the faster and more practical methods.