Install Foam Board Insulation In Attic

Fasten foam insulation boards to the interior of the rafters using screws or nails with 1 inch minimum washers or caps.

Install foam board insulation in attic.

The superattic system from dr. Step 2 install insulation boards. To create an airtight seal use foil tape. Energy saver eliminates the need to remove attic flooring and lose valuable attic storage space in order to make major energy saving upgrades in the attic.

Measure the length and width between two rafters in your attic and transfer the measurements to a 4 ft by 8 ft of rigid foam insulation board. Nothing unusual about that. Attic hatch or door. Firstly you can apply it directly onto the house s concrete walls with the help of a construction adhesive that will hold it in place.

Your board must leave at least inch gap between the board and the roof. Use furring strips nailed into the sides of the rafters so that you have something to fasten the board to. 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. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Install the rigid foam insulation place each rigid foam sheet in its own wall bay. Secondly and this is the best way you can install a drywall to frame the wall before applying foam board insulation. The fit should be firm but not so firm that the edges of the foam begin to tear. There s two ways you can go about with foam board insulation.

Fasteners should be long enough to penetrate in to the rafter a minimum of inch. Earlier this year i got a question about a home that had spray foam insulation in the attic. Affix rigid foam insulation to the attic side of the hatch or door. Foam insulation boards can be attached to concrete walls as well and in such a case care should be taken not to chip the cement.

Alternate fasteners may be used with the type and length as recommended by their manufacturer for securing foam plastic insulating sheathing. To attach the insulation you can use screws with large washers a special adhesive made for adhering foam board insulation or for smaller pieces you can seal them in with caulk or spray foam. Remove any existing pieces of insulation that might have been covering the attic walls until now. Remove the old insulation boards carefully without causing any damage to the walls.