Knee walls are half walls built into areas where a full sized wall will not fit such as finished attic crawlspaces.
Insulating finished attic knee walls.
Unlike traditional walls with two finished sides.
We prefer cellulose but we use fiberglass sometimes too.
Blown insulation in the knee wall and top attics.
Kneewalls short walls under sloped ceilings are common in story and a half homes and in bonus rooms above garages.
There are two basic ways to insulate a finished attic.
Added bonus the floor of this knee wall leaked too so there is a line of foam just above the floor joist.
How to insulate knee walls.
If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space.
Although kneewalls can help turn attics into living space they often present insulation challenges most builders install fiberglass batts between the studs and some type of blown insulation between the floor joists.
2d extend insulation into joist space to reduce air flows.
1a attic access door.
The sloped roof creates a small space that can hardly be use.