Roof framing rafter layout.
How to stick frame a roof.
Measure form the top of this line down the board to determine the line length or length of the rafter less the ridge.
Use a framing square to help lay out the notch based on the slope of the roof.
There are two types of roof systems commonly in use today.
While truss roofs are the most popular construction style today by some estimates truss roofs outnumber stick frame roofs two to one there are regions of the country where builders.
Position the square at the end of the rafter board with the tongue on your left and facing away from you.
However if you want to better utilize the space in your loft you may consider changing roof trusses and going for stick framing or rafters instead.
To frame a roof start by choosing a roof style like a frame or gabled.
With premanufactured trusses or with rafters and ceiling joists commonly called stick framing.
Remember any alterations to a roof should be undertaken only with an engineer.
A 2 4 wall with a 2 6 rafter can be notched for a 4 seat.
For our 4 x8 lean to example using a 2 4 rafter the depth of the birdsmouth is limited by the 1 3 depth of the rafter rule.
Next use these calculations to determine how many rafters you ll need for your roof and cut them to size.
This process uses pre built wood forms to build the roof frame.
Add the length of the overhang beyond this mark and.
Then gather your measurements by calculating the run rise and length of each rafter segment in feet and the pitch of your roof in inches.
Add ceiling joists every 24 in 61 cm on your top plates.
Determine the pitch you want for.
Framing the gable ends 1.
Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm.
Roof trusses are a common means of support and load bearing.
Most roofs utilize 16 inch spacings for strength and rigidity.
There are two common ways of framing the roof of a house.
The rafters are usually positioned directly above the wall studs.
Nail 2 boards onto your walls as top plates.
No matter which kind of roof.
From one end of the rafter material using a speed square or framing square mark an x in 12 angle on the rafter and cut it.
Measure down y height from the long point of the rafter cut and make a mark.
Stick framing combines roof rafters with ceiling joists.
This will the first point of the rafter measurement line.