How To Install Foil Roof Insulation

Install it vertically be sure to start from a high point and roll the insulation down.

How to install foil roof insulation.

For the majority of installations there are basically two different methods used to install radiant barrier foil in an attic. Unroll the foil bubble wrap insulation over the metal joists or purloins that create the frame for the roof. To install foil insulation roll it out parallel to the ridge and cut it with a utility knife starting at the drip edge and working your way up. Remember to apply a decent amount of tension when stapling and to do it at 50 to 100 mm intervals.

How to install foil insulation on roof. Overlap seams by about 3 inches. The first is stapling foil to the bottom of the roof rafters the second is laying it out over the existing attic ceiling insulation. The process is more tricky than installing foil insulation during the construction of a property but can be undertaken if need be.

Starting at one end of your attic install our ultima foil breathable radiant barrier across attic floor joists plywood decking or existing insulation. After you are done cut to adjust the length and get ready to work the next layer. Foil insulation installation in an existing attic you can either staple rolls of foil radiant barrier insulation to the rafters or lay the foil out on top of the insulation. Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation.

Attaching radiant barrier insulation to the rafters is the most effective method to employ but both methods have their advantages and disadvantages. Use a stick 1 4 furring strip with nail in the end works well to help push the barrier into the tight spaces of your attic. If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top.