Faced Or Unfaced Insulation In Attic Floor

The batting material must be faced and at least as thick as the.

Faced or unfaced insulation in attic floor.

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. Unlike unfaced insulation faced insulation has a vapor retarder that keeps moisture out. Among the many insulation options available for the homeowner there is one that stands above the rest.

More often than not faced insulation is made out fiberglass. It s important not to lay faced insulation on top of faced insulation. To this end you insulate your home. In crawl spaces unfaced insulation is generally only used when adding to existing insulation.

The primary function of the vapor retarder is to keep moisture from spreading within the walls and throughout the house. 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. Install batting between the attic s floor joists. If you re putting it in an exterior wall the facing is on the interior side of the home where drywall will be laid.

When adding more insulation to an attic that already has insulation use unfaced insulation. The facing should aim down toward the living space. Unfaced insulation is just insulation without an attached moisture barrier. Unfinished or uninsulated attics need a layer of protection against air migration.