Measure out each plumb cut.
Framing roof to wall.
The basic steps include.
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.
Most simply use a nominal 6 piece of lumber.
Then measure and nail the cripples into place.
Fasten the wall into place.
Metal flashing prevents rain and run off water from seeping into the space between the roof and the wall and causing damage to the framing.
Then position and nail them to the plates.
Finish the end walls with blocking studs notched to fit around the rafters and fastened to the top plate.
Line up the square with the pitch end of the chord and mark the line with a pencil.
Roof framing doesn t have to be daunting but if it s your first try a simple gable roof say on a garden shed is the best bet.
In wood framing basics and wall plans that have openings with cripples above the header cut and nail together the king studs and trimmers first.
Starting at one end of the new wall shim between the top plate and ceiling and check the wall for plumb with a level.
If you choose you can use a small rake in the attic to pull any insulation back from the edge.
Measure down y height from the long point of the rafter cut and make a mark.
The roof flashing is then placed up behind this through the wall z bar flashing on the outside of the vertical blocking backing material.
Proper flashing is crucial at a roof to wall intersection.
The roof framing must also function as part of the roof diaphragm to transfer lateral loads to the shear walls below.
Input the pitch of the roof that you calculated above we ll use 7 12 for reference throughout on the framing square.
Roof framing rafter layout.
This will the first point of the rafter measurement line.
The roof framing must support the roof decking and sheathing and resist loads applied to the sheathing and transfer loads vertically to support walls or frames.
Remove a strips of drywall.
Set the header on the trimmers and nail through the king studs to hold it in place.
Remove the temporary collar ties.
To limit the amount of drywall that has to be replaced use a ruler and pencil or a chalk.
Double the studs at the ends of the walls and around any doors or windows before standing up the framed wall.
Nail the end studs to framing in the existing wall.
At this point you will brace the wall while you stand up against the adjacent walls and square them up before nailing them together.
As you shim and plumb each section of wall drive 16d nails through the top plate into the framing with a hammer or nail gun.
