Do I Need Faced Insulation Between Floors
So in an attic the paper faces downward and in a crawl space it faces upward.
Do i need faced insulation between floors. Sticking your vapor barriers and thermal resistance into places besides the exterior building shell can create odd interior dynamics. Doing so can even cause problems. Sometimes adding insulation to the floor can cause problems for your home. Faced or the type with paper is typically used in first time applications such as in walls ceilings floors and in crawl spaces.
Unfaced insulation the type without paper is what you would use if you are adding insulation to your attic or to place between floors when living space is above and below. Install batting between the attic s floor joists. Unless you have an extra 10 000 and a big hearted desire to create jobs in the insulation industry it makes no sense to insulate between floors. The floor does not belong in the building envelope.
The batting material must be faced and at least as thick as the joists are wide so the batting is nearly flush with the top of the joists. The biggest concern that can happen due to floor insulation is mould. Floor insulation can hamper the dynamic of vapour barriers and thermal resistance.