Whether you choose faced or unfaced insulation for the attic depends on the.
Attic insulation paper up or down.
Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.
Install foil or paper faced insulation with the facing side down.
Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.
The wetter it gets the better it dries.
Make sure the first layer you put down on the floor of the.
Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.
The upshot here is that if you put the kraft paper on the wrong side and it gets wet it won t trap moisture.
If you use loose fill.
Always have the paper toward the living area which in the case of an unfinished attic insulating attic floor would be paper face down.
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.
Choose your insulation type.
That s because the paper contains a layer of asphalt adhesive which prevents water vapor from passing through it.
Pull down stair or ladder.
The paper facing should always face toward the inside of the home.
But they both will give you the same r value if you buy either one.
Attic hatch or door.
If the facing is up moisture will become trapped in your insulation and turn it into an ineffective mess.
Check pipes and vents.
Before installing determine the insulation material best suited for your home.
I like fiberglass more expensive usually cleaner less dust up in the attic.
Regardless of whether fiberglass insulation is installed in a wall attic or crawlspace.
Calculate how much you need.