To find the location of the rear lentil for the rafters use a framing square.
How do you cut roof rafters.
The first step in building the roof rafters is to cut one rafter board to length with the ends angled properly and then to mark and cut the birds mouth and seat on the rafter.
The ridge end of the rafter and often the eve end will need to be cut to the angle of the roof slope.
Once you located where the mark falls on the 2 x 10 measure the distance and be sure to add 10 for the overhang.
How to measure or figure rafter length and mark and cut them accurately.
The roof on this shed is a 4 in 12 slope which makes it a 18 and.
Before you cut your boards you ll need to measure the width of your building and calculate the exact length of each rafter.
This video will show you how to figure length and cut a common rafter for a gable roof using a framing square.
If you re framing a gable roof on a new house or building a shed or even a doghouse with a gable roof you ll need to cut a number of roof rafters.
Cut one end of each 2 x 8 rafter to get the necessary length desired.
In this video you will learn all about common rafters.