Covering Attic Insulation With Plastic Against Rafters

Either wood or plastic would be a good idea.

Covering attic insulation with plastic against rafters.

It s not uncommon for homes to have exposed fiberglass insulation in the basement or attic. If the insulation is in your basement ceiling again it is okay to put up plastic. You are only going to be able to get narrow sheets of plywood through those holes but just nail them up. It has insulation on the walls that form the bedroom closet wall.

Add additional sealant if necessary. This will help determine how many rolls of plastic sheeting will be needed to cover the insulation. For the same reason insulation shouldn t touch the roof s underside. The airflow from the soffits to the ridge vent keeps the roof cool and prevents ice dams and the material will block that flow.

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. Run a tape measure across the length of each wall and add all the sides together for the total linear feet of the wall. 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 you have a.

But here s the question. For rolled insulation location it in between roof covering rafters. Does fiberglass insulation need to be covered or is it safe to leave it exposed. If you use plastic secure it with staples.

Is there an issue with this plan. Step 2 roll out the sheeting beginning at the bottom of any corner of the room. I plan on stapling plastic to the studs to hold the insulation in. Mechanically fasten and mastic seal all duct connections.

The duct insulation should include a vapor barrier cover. After that blow an additional layer in addition to the insulating attic rafters. Pink fluffy batts wedged tightly between studs rafters and joists insulate the space against exterior temperature changes. Now if your insulation is on the floor of your attic and exposed you should not put plastic over it.

Make sure it is flush against the wood as also a 1 inch gap can create a 20 percent heating loss.