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.
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.
Kneewalls short walls under sloped ceilings are common in story and a half homes and in bonus rooms above garages.
2d extend insulation into joist space to reduce air flows.
In this case the area behind the knee wall will be uncomfortably hot or cold.
Blown insulation in the knee wall and top attics.
The sloped roof creates a small space that can hardly be use.
We prefer cellulose but we use fiberglass sometimes too.
We reduced the air leakage nearly 50 on this house in shaker heights without insulating the walls.
Unlike traditional walls with two finished sides.
1a attic access door.
There are two basic ways to insulate a finished attic.
How to insulate knee walls.