Insulate Attic Knee Walls
Insulating knee walls other spaces in the attic.
Insulate attic knee walls. Insulating only the attic roof rafters and the walls at the end of the attic is one method some use to insulate the knee wall area underneath but carson dunlop author of principles of home. There are as many ways to do it as there are people who do it. If you plan to insulate the roof deck of your attic then you would use spray foam or fiberglass batts. When it comes to insulating knee walls you will want to insulate this space using the same material and method as the rest of your attic.
This is not very easy in most of the older houses we work on because the hatches and attics are too small to get rigid foam board through. There are two ways to insulate triangular attics behind kneewalls. If you re insulating an attic the knee walls are important. A better approach is to insulate the roof slope above the attic.
Knee walls are found in many older houses where the ceiling on the top floor is an attic or. The traditional approach is to insulate the kneewall and the attic floor behind the kneewall. One of the best methods is rigid foam board with sealed joints over insulation in the knee wall.