How To Insulate An Attic With A Floor. But if the floor is covered in plywood you cant stuff enough insulation beneath it to do the job sufficientlynot even in warm climates. In an unfinished attic the best way to ensure good thermal resistance is by attic floor insulation.
Insulating a Finished Attic There are two basic ways to insulate a finished attic. In practical terms you can choose between mineral wool or insulation boards. In this case the area behind the knee wall will be uncomfortably hot or cold.
If only the living space will be insulated wrap the insulation around the rooms walls and ceiling and then continue along the floor of the non-living space.
Spread plastic sheeting over the crawlspace floor to block ground moisture from entering the area. Insulating a Finished Attic There are two basic ways to insulate a finished attic. Proper attic insulation helps to prevent heat from escaping in the winter and it can help moderate indoor temperatures in the summer too. You cant insulate your attic floor until the drywall crew has finished the ceilings.
