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Be a Master Carpenter! Simply the fastest, easiest and most accurate way to frame any roof from simple to complex. You don't have to be a mathematician to frame complicated roofs! Using this book you can master any roof! Roof Framer's Bible has it all! The Roof Framers Field Manual is presented as a PDF. This means it can be opened up on any computer. No need for special software that is special to one operating system or another. Though, I did note that for the kindle fire needed you to download a free PDF reader. Sample Reports & Documents They are PDF's so you must have adobe reader to view them. Every computer should have adobe reader to view documents and you can install it for free. Just click the links! The Roof Framers Field Manual; Call Ray Now! search this .
The roof framers field manual pdf download
Both the common rafter and the the roof framers field manual pdf download rafter will have the same run using the layout method. The difference is that we'll use 17 instead of 12 to lay out the hip. This is because hip rafters rise from the corners of the building at a 45 degree angle diagonal.
The diagonal of a square 12" is Pictured below is the hip rafter math formula for this. Click the image to enlarge into a new window.
As you can see we have to multiply the run of the common rafter by the sq. This same formula will work on the common rafter if you omit this step. Using the math method will help prevent cumulative error when laying out long rafters, the roof framers field manual pdf download.
Just shorten it at the top, cut your setbacks, drop or chamfer and add your tail. It's possible to program your calculator to perform this function quickly, You can even add a subroutine to convert the feet to inches to make it easier if you wish.
To convert feet to inches subtract the integer portion and multiply by For example 7, the roof framers field manual pdf download. You should get accustomed to converting tenths of a foot to inches and vise versa if you are going to be a roof framer.
You'll be doing it a lot. After a while you'll commit most of it to memory. See our how to convert pitch to degrees page for more information how to do that. There is another way to do this In case you left your calculator at home. On the side the roof framers field manual pdf download the framing square. You did remember to bring your framing square Anyway most squares have a rafter table and on one line it says "Length of hip rafter per foot run".
Simply read across until you find your pitch and multiply that number by the run in feet. Here's a handy Hip Rafter length chart for you. Click image to enlarge. In the example above the run was 4' 8". Convert inches to feet and you have 8. Then just add your tail, shorten at the ridge cut your setbacks and drop it the proper amount.
Easy Pie. For even more roof framing secrets buy my book! The Roof Framers Field Manual has it all. If you found this information useful leave a comment! I am trying to figure the angle of the head-cut on a valley rafter connecting two 12 pitch roofs at deg rather than the usual 90 deg. Or is there an adjustment to be made for the extra 45 deg in the building? To get the framing square setting for an irregular hip and valley rafter you have to know the mathematical height of ridge and the run of the hip in the same units of measurement.
Then form a ratio of those number with the rise on top. Now use 17 as a base number for the hip level cut. Cross multiply to get the plumb cut framing square setting. This is explained in detail in my book on amazon or the pdf available here Check it out.
I know the this angle is not 45 degrees Thank you for your question It kinda sounds like you're putting an addition on a house and somehow the hip rafter came up a little short. Hip rafters for both equal pitched roofs and dual pitch roofs are covered extensively in my book The Roof Framers Field Manual. I encourage you to purchase it. Good luck and happy framing It was very helpful I already changed the typo. I always figure the mathematical length and add the tail and subtract for the ridge deductions in the field.
Blue Palmetto Home Inspection. Charleston SC Lowcountry. Pleasant, North Charleston and the entire Charleston Lowcountry area, the roof framers field manual pdf download. Home Blue Palmetto Home Inspection putting people before business - serving the Charleston lowcountry area. We use 17 The method of shortening at the top is different.
Study the diagram below. Draw your plumb cut at the top of your board. Turn your square over and "step out" the whole units. Figure the odd unit by multiplying it by the square root of 2, 1.
Draw your birds mouth. See my How to drop a Hip Rafter Page for more info on this. Add your overhang, the roof framers field manual pdf download. Shortening actually makes the rafter shorter. This is to account for the thickness of the ridge and common rafters. The roof framers field manual pdf download the diagram above. If your using standard framing lumber 1. Measure horizontally and make a plumb mark on the rafter.
Set back does not make the rafter shorter. Click the links to be taken to our buy it now page! Rafter length. Call Ray Now! Blue Palmetto Home Inspection putting people before business - serving the Charleston lowcountry area.
How to Install Roof Framing Fill for New Home Construction and Home Additions
, time: 18:20The roof framers field manual pdf download
Aug 19, · Just downloaded the Army field manual(FM) last night, has a lot of useful tips. A must have. Cant wait to see these other branches manuals And for you iPhone users there is a sweet ap that has all Military branches compiled into one. A nice little survival AP(99cents). Just search survival in the Ap store. [edit on by TwoTechnics]. the rafter book: a modern handbook for roof framers To save The ra;er book: A modern handbook for roof framers PDF, make sure you access the button beneath and download the file or gain access to additional information that are related to THE RAFTER BOOK: A MODERN HANDBOOK FOR ROOF FRAMERS ebook. Sample Reports & Documents They are PDF's so you must have adobe reader to view them. Every computer should have adobe reader to view documents and you can install it for free. Just click the links! The Roof Framers Field Manual; Call Ray Now! search this .
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