Support and follow me.
Building walls in an attic.
It needs a certain amount of loft to work properly.
When insulated and covered with drywall the walls improve the thermal envelope of an attic.
Don t mash or compress the insulation into the space.
Framing basics for attic knee walls along the sides of your loft or attic space.
Use r 30 insulation for the ceiling and r 13 for the walls.
At the bottom points of the triangles the rafters meet the top plates of the exterior walls.
Staple insulation between the wall studs and ceiling joists image a.
If building a knee wall for storage like karl did with this project make sure to insulate that area as well.
If your attic space is framed with rafters and is unfinished it has a triangular shape.
Step 1 measure the attic.
But they are awfully good to have.
Mark the line that the angle forms along.
Knee walls are short wood framed walls that install between the ceiling joists and rafters in an attic.
Footnote 23 envelope leakage shall be determined by an approved verifier using a resnet approved testing protocol.
To build your walls to the correct length measure the angle of the rafter by laying a piece of 2x4 inch lumber against the side of the rafter in a vertical position.