Invaluable to anyone who wants to cut a roof by hand and not use trusses.
Roof cuts and rafter lengths book.
With calculations diagrams and tables.
Roof sheathing cuts and angles.
For larger roofs though i use a roofing ready reckoner.
Lots of illustrations and easy to follow example problems.
The tail or eave overhang must be added to the rafter length.
Roof cuts and rafter lengths hancock s 10th edition is a very popular best selling book.
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.
There are a few good ready reckoners.
Tail or eave length.
Gives rafter runs to locate ridges and framing points.
The respective lengths for those two rafters and add them together.
Exact lengths of all rafters including all regular and irregular hips valleys commons and jacks.
The most useful book ever if you want to cut a roof.
Rafter book page 1 created date.
Calculations for roof frames roof cuts and rafter lengths.
A ready reckoner is pretty much a rafter length calculator a book full of tables for working out the rafter lengths quickly and easily.
Using the 7 inch rise table and our 15 run the common rafter length is 17 43 8.
Subtract what you are using as a ridge and you have your length perfect every time.