Faced Or Unfaced Insulation In Attic Floor

This is usually kraft paper but sometimes other types of paper can be used.

Faced or unfaced insulation in attic floor.

Among the many insulation options available for the homeowner there is one that stands above the rest. If you re using unfaced insulation in an area where a vapor barrier is required or recommended you may be able to add your own barrier using plastic sheeting. The facing should aim down toward the living space. Unfaced insulation is just insulation without an attached moisture barrier.

More often than not faced insulation is made out fiberglass. The primary function of the vapor retarder is to keep moisture from spreading within the walls and throughout the house. Faced insulation has flanges on the outside of the batt that need to be stapled to the wall studs and joists. Paper faced insulation means that one side of the insulation material comes lined with paper.

If the attic doesn t have any existing insulation use faced insulation with the paper facing toward the heated living space. When adding more insulation to an attic that already has insulation use unfaced insulation. To this end you insulate your home. The batting material must be faced and at least as thick as the.

Install batting between the attic s floor joists. It s important not to lay faced insulation on top of faced insulation. Unlike unfaced insulation faced insulation has a vapor retarder that keeps moisture out. In crawl spaces unfaced insulation is generally only used when adding to existing insulation.