How to Hang Insulation in Ceiling
- 1). Choose the type of insulation that suits your project. If the ceiling is open -- if you can see the wood studs from below -- you can use fiberglass batts. If the ceiling is closed and the ceiling has an attic above it, you can insulate the ceiling by installing fiberglass batts or blowing loose-fill insulation into the spaces between the studs on the attic floor. If the ceiling is closed but you have no access from above, then you will have to remove the materials covering the ceiling to access the studs.
- 2). Install fiberglass batts in an open ceiling by filling the gaps between the studs. Measure and cut each piece of insulation to size. Use a utility knife or heavy-duty shears to cut the fiberglass. For maximum effectiveness, cut the insulation so that it exactly fills the gaps. Place the fiberglass into the gap. Use a heavy-duty staple gun to attach the paper face of the fiberglass to the sides of the wood studs. Do not stuff the fiberglass into place; fiberglass insulation is only effective when it is fluffy and full of air.
- 3). Install fiberglass insulation in a closed ceiling by filling the spaces between the ceiling studs from the attic above. Cut each piece to size and lay it between the studs. There is no need to staple it. Do not compress the fiberglass insulation as you install it. For spaces that require multiple pieces, butt the ends of the pieces against each other.
- 4). Install blown-in loose-fill insulation by renting an insulation blower or hiring a professional insulation company. If you decide to rent a blower, follow the manufacturer's instructions for mixing the loose-fill material. Then set up the blower according to its manual. Blow a thick layer of insulation in between the studs. Stop when you reach the insulation manufacturer's recommended density of coverage.
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