Collar ties are horizontal members that like rafter ties extend from rafter to rafter but.
Framing protruding attic wall.
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.
The plywood will create a smooth strong ceiling without having to apply drywall tape and mud to the ceiling.
Purchase enough to install a stud on each end of the wall and every 16 inches between.
Score the shims with a utility knife and snap them off flush with the plate.
Then measure and nail the cripples into place.
If you want your attic space to have a flat ceiling you ll need to add collar ties to the framing.
If you see protruding drywall in a tall wall look to see if it s at the same height as the floor joists.
Upper or lower walls may be out of plumb or the floor assembly may have components that are not flush.
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.
Run the plywood down to the top of the knee wall.
Set the header on the trimmers and nail through the king studs to hold it in place.
Two by four lumber is standard for framing most walls including short walls in the attic.
Fasten the bottom plate by driving 16d nails through it into the floor.
Allow for a top and.
In evaluating wall framing you ll be looking for walls that are out of plumb or not flat or straight.