Roof Cuts And Rafter Lengths Book
Roof cuts and rafter lengths 10th edition 10th edition by hancock an easy to read handy pocket guide to roof construction measurements and details.
Roof cuts and rafter lengths book. A must for all builders. Rafter book page 1 created date. Roof cuts rafter lengths roofing book roof cuts and rafter lengths hancock s 10th edition is a very popular best selling book. The difference in length of the rest of the jacks is taken from chart.
Includes result for hip valley factor slope factor and the roof slope in degrees. Well known throughout the industry as the little red roofing book it can be or should be found in every roofer s toolbox. Using the 7 inch rise table and our 15 run the common rafter length is 17 43 8. The most useful book ever if you want to cut a roof.
From plate to hip rafter. Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. Each page has a different table depending on the pitch angle of your roof with all the figures you need. This is the rafter length from the top cut to the seat plumb mark.
The ridge cut also called the plumb cut at the top of the rafter the birdsmouth cut. The ceiling joist then ties the roof together. For larger roofs though i use a roofing ready reckoner. With calculations diagrams and tables.
Buy roof cuts and rafter lengths at angus robertson with delivery an easy to read handy pocket guide to roof construction measurements and details. It will help you with plumb and side cuts for hip and rafter down and side purlin cuts and more. Tail or eave length. Subtract what you are using as a ridge and you have your length perfect every time.
Calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. The tail or eave overhang must be added to the rafter length. A must for all builders. A ready reckoner is pretty much a rafter length calculator a book full of tables for working out the rafter lengths quickly and easily.
Set each rafter along side ceiling joist and spike well. There are a few good ready reckoners. The respective lengths for those two rafters and add them together. Well known throughout the industry as the little red roofing book it can be or should be found in the back of every roofer 039 s ute.
If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. You put in the width and the pitch and this book will give you the full length of the rafter. When you cut the rafters you ll need to make 3 separate cuts.