Use r 30 insulation for the ceiling and r 13 for the walls.
Walls in attic.
Two by four lumber is standard for framing most walls including short walls in the attic.
Support and follow me.
If building a knee wall for storage like karl did with this project make sure to insulate that area as well.
Knee walls are not found in all attics and they are not absolutely necessary.
Framing basics for attic knee walls along the sides of your loft or attic space.
Purchase enough to install a stud on each end of the wall and every 16.
But they are awfully good to have.
It will not bear any loads.
An attic wall needs to be located near the joists and studs so it can be held in place properly.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
Your attic wall will not be a supporting wall.
At the bottom points of the triangles the rafters meet the top plates of the exterior walls.
Don t mash or compress the insulation into the space.
Tools materials and supplies.
If your attic space is framed with rafters and is unfinished it has a triangular shape.
Staple insulation between the wall studs and ceiling joists image a.