Knee walls are not found in all attics and they are not absolutely necessary.
Walls in attic.
Two by four lumber is standard for framing most walls including short walls in the attic.
It needs a certain amount of loft to work properly.
An attic wall needs to be located near the joists and studs so it can be held in place properly.
At the bottom points of the triangles the rafters meet the top plates of the exterior walls.
Tools materials and supplies.
But they are awfully good to have.
Purchase enough to install a stud on each end of the wall and every 16.
Use r 30 insulation for the ceiling and r 13 for the walls.
It will not bear any loads.
Framing basics for attic knee walls along the sides of your loft or attic space.
If your attic space is framed with rafters and is unfinished it has a triangular shape.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Your attic wall will not be a supporting wall.
Don t mash or compress the insulation into the space.
Carefully measure where each of the new wall studs will go and mark the locations with perpendicular lines across the plates.
If building a knee wall for storage like karl did with this project make sure to insulate that area as well.