A common rafter has three basic parts you need to become familiar with.
How do you cut a roof rafter.
Cut one end of each 2 x 8 rafter to get the necessary length desired.
Birdsmouth which consists of two cuts a horizontal seat cut and a vertical shoulder cut.
Choose which end of your rafter you want to be the top.
This video will show you how to figure length and cut a common rafter for a gable roof using a framing square.
In this video you will learn all about common rafters.
The ridge end of the rafter and often the eve end will need to be cut to.
So to summarise the full process is as follows.
Calculate pitch of roof use roof pitch to cut ridge cut use ridge cut as point of reference to form birdsmouth make tail cut.
Cut the rafters to find the location of the rear lentil for the rafters use a framing square.
Mark the plumb cut at the top of the rafter.
Once you located where the mark falls on the 2 x 10 measure the distance and be sure to add 10 for the overhang.
Tail cut which may be cut plumb or square depending on how the eaves are detailed.
The plumb or ridge cut is made at the top of the rafter.
How to measure or figure rafter length and mark and cut them accurately.
The vertical cut is called the birdsmouth and the horizontal cut is called.
Plumb cut typically called the ridge cut at the top end of the rafter.
Mark and cut the first rafter ends.
How to build shed roof rafters step 1.
Rick arnold frequent contributor to fine homebuilding and the journal of light construction presenter at jlc live the katz roadshow the remodeling show.
