Attic Insulation Paper Side Up Or Down

Paper backed insulation is cut to fit betwen the studs or rafters and has little flaps on either side to secure the insulation w staples.

Attic insulation paper side up or down.

When using insulation that has either paper or plastic facing that moisture barrier faces outward toward the attic space. 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. It can also cause mold rot and other problems in the wall. Affix rigid foam insulation to the attic side of the hatch or door.

Always have the paper toward the living area which in the case of an unfinished attic insulating attic floor would be paper face down. The upshot here is that if you put the kraft paper on the wrong side and it gets wet it won t trap moisture. Make sure the first layer you put down on the floor of the. Dont know about your location but here a ceiling installation calls for no vapor barrier.

The moisture will get the insulation wet and reduce its effectiveness. The right barrier will block the moisture from reaching the insulation. Pull down stair or ladder. Fuzzy side faces away from you paper towards you.

Fiberglass batts insulation is installed in the crawl space with the paper facing exposed. Also on the graph is the permeance of polyethylene. If you put it on the right side where the humidity is it s not much of a vapor retarder. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Even if the attic space is unheated it typically is warmer than the. The warmer air on one outer side of the wall causes water to build up along the colder inner side. So if you re installing insulation in an attic that doesn t have any used faced insulation and put the paper side down toward the ceiling. The vapor barrier is flammable and according to the manufacturer s label on the insulation the vapor barrier should be installed against the floor.

The wetter it gets the better it dries. We are purchasing a used home soon but the inspection report says that the attic insulation paper side is facing down into the crawl space and should be removed replaced since the paper side states that it is flammable. It is a fire hazard when left exposed and can trap moisture in the insulation. Foil insulation is a radiant barrier and it works by.

Then you hang drywall over it all.