In this case the area behind the knee wall will be uncomfortably hot or cold.
Insulating finished attic knee walls.
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.
How to insulate knee walls.
The sloped roof creates a small space that can hardly be use.
Unlike traditional walls with two finished sides.
Added bonus the floor of this knee wall leaked too so there is a line of foam just above the floor joist.
Knee walls are half walls built into areas where a full sized wall will not fit such as finished attic crawlspaces.
There are two basic ways to insulate a finished attic.
1a attic access door.
We prefer cellulose but we use fiberglass sometimes too.
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.
Kneewalls short walls under sloped ceilings are common in story and a half homes and in bonus rooms above garages.