Install Foam Board Insulation In Attic

Add weatherstripping around the perimeter and a sweep to the door of a walk up attic.

Install foam board insulation in attic.

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. Earlier this year i got a question about a home that had spray foam insulation in the attic. Step 2 install insulation boards. Use furring strips nailed into the sides of the rafters so that you have something to fasten the board to.

Affix rigid foam insulation to the attic side of the hatch or door. Remove any existing pieces of insulation that might have been covering the attic walls until now. 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. 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.

To create an airtight seal use foil tape. 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. There s two ways you can go about with foam board insulation. Your board must leave at least inch gap between the board and the roof.

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. Install the rigid foam insulation place each rigid foam sheet in its own wall bay. Attic hatch or door. Install foam boards with the foil side facing you.

A lot of builders and homeowners are going with spray foam insulation because of the airtightness benefits but then the questioner mentioned that the spray foam contractor had intentionally left big holes to the outside by not sealing the gable vents. Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall. The superattic system from dr. Alternate fasteners may be used with the type and length as recommended by their manufacturer for securing foam plastic insulating sheathing.

Fasten foam insulation boards to the interior of the rafters using screws or nails with 1 inch minimum washers or caps. Nothing unusual about that. Fasteners should be long enough to penetrate in to the rafter a minimum of inch. Remove the old insulation boards carefully without causing any damage to the walls.