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.
Foam board insulation attic rafters.
Get your kits the easy to use spray foam kit.
Class i e 84 fire retardant meets building code spec.
The superattic system creates a continuous air and insulation barrier directly beneath the attic roof with no thermal bridging to compromise energy.
A 4 by 8 board weighs next to nothing and can easily be cut to fit.
Rigid foam board also known as foam board or insulation board can be an excellent option for insulation.
100 free of cfcs vocs penta bdes urea formaldehyde.
The best attic insulation.
Use closed cell foam it green for attic rafters.
Spray foam the iso board would be a lot cheaper especially if this is a diy project.
Typical thicknesses range from inch to 2 inches with estimated r values of r 3 for the inch to r 10 for the 2 inch board.
Spray foam insulation that s convenient and easy to use.
Seal the seams with contractor s tape and seal the foam board edges to the wall with spray foam.
To simplify things and save a lot of time cutting and fitting you could just nail the iso board to the bottom of the rafters.
R value of 7 in 1 inch 97 closed cell foam.
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.
As for iso board vs.
5 panels with 97 reviews.
Some of the most reviewed foam board insulation are the silverboard 24 in.