Adding Foam Board To Inside Of Attic Space

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.

Adding foam board to inside of attic space.

2 measure and cut the foam boards as. Step 3 place caulking and furring strips. Due to cost considerations i looked at an additional five inches for a total of 12 inches and a r30 rating. 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.

Step 4 cut foam boards. Select rigid foam insulation boards that are at least 1 2 inch less in thickness than the rafter space is deep if you plan to finish the attic as living space. Remove the old. 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 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. Installing foam insulation board in an attic. Earlier this year i got a question about a home that had spray foam insulation in the attic. The superattic system from dr.

A local company is saying that i need 19 inches for an r50 rating. Intumescent coatings are not always needed to coat spray foam in the attic in order to meet code thermal barrier requirements. Remove any existing pieces of insulation that might have been covering the attic walls until now. Normally in occupied areas all spray foam must be covered by a 15 minute thermal barrier such as thick drywall per code requirements in irc section 316 4 and ibc section 2603 4.

Step 2 install insulation boards. There are seven inches of foam insulation in the attic with an r14 rating.