In this case the area behind the knee wall will be uncomfortably hot or cold.
How to insulate your attic ceiling.
Lay the batts across the ceiling joists covering the existing insulation.
This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Move across the attic until you ve hit your desired height at every point.
Then pivot in place and do the same thing to the other side.
See below for a shopping list and tools.
Blow in insulation until the hopper is empty.
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.
But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
Insulating a finished attic there are two basic ways to insulate a finished attic.
For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6.
Plan to pull up the flooring and layer new insulation on top of the old.