Roof Cuts And Rafter Lengths Book

The most useful book ever if you want to cut a roof.

Roof cuts and rafter lengths book.

The ridge cut also called the plumb cut at the top of the rafter the birdsmouth cut. Calculate the length of a rafter from the roof slope ratio of inches per foot and a building width measurement. Roof cuts and rafter lengths 10th edition 10th edition by hancock an easy to read handy pocket guide to roof construction measurements and details. There are a few good ready reckoners.

Figure the rafter material lengths so you can cut a long and short jack rafter from each piece. If you add an eaves overhang dimension then the amount the rafter sticks passed the wall will be added to the rafter length. This is the rafter length from the top cut to the seat plumb mark. It will help you with plumb and side cuts for hip and rafter down and side purlin cuts and more.

Set each rafter along side ceiling joist and spike well. A must for all builders. When you cut the rafters you ll need to make 3 separate cuts. The roof rafters provide integral structural support to the roof.

Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter. The tail or eave overhang must 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. Tail or eave length.

Each page has a different table depending on the pitch angle of your roof with all the figures you need. The difference in length of the rest of the jacks is taken from chart. Invaluable to anyone who wants to cut a roof by hand and not use trusses. Using the 7 inch rise table and our 15 run the common rafter length is 17 43 8.

With calculations diagrams and tables. A must for all builders. Well known throughout the industry as the little red roofing book it can be or should be found in every roofer s toolbox. 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.

A ready reckoner is pretty much a rafter length calculator a book full of tables for working out the rafter lengths quickly and easily. For larger roofs though i use a roofing ready reckoner. Subtract what you are using as a ridge and you have your length perfect every time. Buy roof cuts and rafter lengths at angus robertson with delivery an easy to read handy pocket guide to roof construction measurements and details.

Includes result for hip valley factor slope factor and the roof slope in degrees. Roof cuts rafter lengths roofing book roof cuts and rafter lengths hancock s 10th edition is a very popular best selling book. From plate to hip rafter.