Covering Attic Insulation With Plastic Against Rafters
Mechanically fasten and mastic seal all duct connections.
Covering attic insulation with plastic against rafters. Pink fluffy batts wedged tightly between studs rafters and joists insulate the space against exterior temperature changes. If you have a. Test total duct leakage. It s not uncommon for homes to have exposed fiberglass insulation in the basement or attic.
Is there an issue with this plan. Install loose fill insulation to cover the ducts and the attic floor to meet or exceed the code required r value for attic insulation. If the insulation is in your basement ceiling again it is okay to put up plastic. Staple plastic or foam baffles to the roof sheathing near the eaves to keep the material away.
Either wood or plastic would be a good idea. But here s the question. After that blow an additional layer in addition to the insulating attic rafters. Step 2 roll out the sheeting beginning at the bottom of any corner of the room.
It has insulation on the walls that form the bedroom closet wall. Add additional sealant if necessary. Does fiberglass insulation need to be covered or is it safe to leave it exposed. I plan on stapling plastic to the studs to hold the insulation in.
Now if your insulation is on the floor of your attic and exposed you should not put plastic over it. Run a tape measure across the length of each wall and add all the sides together for the total linear feet of the wall. For rolled insulation location it in between roof covering rafters. The duct insulation should include a vapor barrier cover.
If you use plastic secure it with staples. Given how small the attic is whenever i go in there and place remove things i tend to brush up against the insulation pulling it out from between the studs see pictures below. You are only going to be able to get narrow sheets of plywood through those holes but just nail them up. Usually you will certainly fill the insulation blower with the insulation and blow it between the attic floor joists.
Make sure it is flush against the wood as also a 1 inch gap can create a 20 percent heating loss.