Installing Rigid Foam Insulation In An Attic

Seal the perimeter of each piece of rigid foam with caulk canned spray foam or high quality tape.

Installing rigid foam insulation in an attic.

For more information on the work i have described see two ways to insulate attic kneewalls. Keep foam board insulation away from direct sunlight prior to installation. When installing foam insulation boards in the attic make sure you start from one corner and work your way around the room. Fasten foam insulation boards to the interior of the rafters using screws or nails with 1 inch minimum washers or caps.

When installing the foam use caulk or tape for maximum insulation between the material and the board or floor. When installing a foil faced foam board insulation. It will degrade its r value. The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy.

Cut the insulation with a utility knife. When installing rigid insulation in an attic to be finished as a living space you must provide a route by which hot air. A table saw will also cut the board but it. Measure the space between rafters and cut the board to fit.

Cover the insulation with a vapor barrier before you install it. Once the attic is prepared then start to install the insulation. All foam boards absorb water vapor. In addition to installing the foam board on the underside of the roof deck you can attach it to the bottom edges of the.

Mark the insulation where it lines up with the center of the rafter closest to the farthest edge. Use a chalk line or t square to mark where it needs to be cut. The superattic system utilizes proprietary silverglo rigid foam insulation panels to fully seal and insulate the attic directly beneath the roof rafters and directly inside the gable ends. How do you install rigid foam board.

You can use a utility knife to cut using the same cut and snap process you use with drywall. Start at one corner of the attic and lay the piece of insulation lengthwise like a piece of drywall. Alternate fasteners may be used with the type and length as recommended by their manufacturer for securing foam plastic insulating sheathing.