Attic Insulation Paper Side Up

Also on the graph is the permeance of polyethylene.

Attic insulation paper side up.

D installing the kraft faced insulation paper side up provides an adequate vapor retarder. The paper facing on insulation has an asphalt layer which acts as a vapor barrier. It can also cause mold rot and other problems in the wall. If you put it on the right side where the humidity is it s not much of a vapor retarder.

The upshot here is that if you put the kraft paper on the wrong side and it gets wet it won t trap moisture. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. 3 press the batting into place between floor joists but do not push so much that the insulation loses its loft. You only want one vapor barrier in your attic and it should be as close to the ceiling as possible to prevent warm moist air from coming up from the heated house and condensing when it hits the cold air in the attic.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. That s because the paper contains a layer of asphalt adhesive which prevents water vapor from passing through it. Attic hatch or door. It is a fire hazard when left exposed and can trap moisture in the insulation.

The wetter it gets the better it dries. Whether you choose faced or unfaced insulation for the attic depends on the. Make sure the first layer you put down on the floor of the. Regardless of whether fiberglass insulation is installed in a wall attic or crawlspace.

The paper facing should always face toward the inside of the home. The warmer air on one outer side of the wall causes water to build up along the colder inner side. The moisture will get the insulation wet and reduce its effectiveness. Always have the paper toward the living area which in the case of an unfinished attic insulating attic floor would be paper face down.

Keep the batting insulation s paper facing pointed up toward the living space above. Pull down stair or ladder. The vapor barrier is flammable and according to the manufacturer s label on the insulation the vapor barrier should be installed against the floor. Affix rigid foam insulation to the attic side of the hatch or door.

Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll. The right barrier will block the moisture from reaching the insulation.