Attic Insulation Paper Up Or Down

Check pipes and vents.

Attic insulation paper up or down.

That s because the paper contains a layer of asphalt adhesive which prevents water vapor from passing through it. Pull down stair or ladder. If you put it on the right side where the humidity is it s not much of a vapor retarder. The paper facing should always face toward the inside of the home.

Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll. The real key to blown in attic insulation is total coverage. Whether you choose faced or unfaced insulation for the attic depends on the. Regardless of whether fiberglass insulation is installed in a wall attic or crawlspace.

The upshot here is that if you put the kraft paper on the wrong side and it gets wet it won t trap moisture. Before installing determine the insulation material best suited for your home. Make sure the first layer you put down on the floor of the. But they both will give you the same r value if you buy either one.

Cellulose paper mulch is cheaper and insulation companies will usually push it and they will make a higher profit installing it. If the facing is up moisture will become trapped in your insulation and turn it into an ineffective mess. The wetter it gets the better it dries. I like fiberglass more expensive usually cleaner less dust up in the attic.

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. If you use loose fill. Calculate how much you need. Also on the graph is the permeance of polyethylene.

Install foil or paper faced insulation with the facing side down. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. Always have the paper toward the living area which in the case of an unfinished attic insulating attic floor would be paper face down.