Temperatures Reduced 30 Degrees at Plywood in Composite Shingle Study On a 4/12 pitch roof, LOW-E Therma Sheet was installed under black asphalt shingles on one side, and on the opposite side the ... Foil Under Shingles Will NOT Create A Radiant Barrier Unless There Is An Airspace On One Side Of The Foil. At first it sounds reasonable. You are getting a new roof, so why not scrape off the shingles, put down roofing felt, THEN radiant barrier foil and THEN shingles right on top. Therma Sheet ROOFING UNDERLAYMENT METAL ROOFING STONE COATED STEEL CONCRETE • CLAY TILE ASPHALT SHINGLES On April 7th, 2009 a five-week documentation on a project involving the installation of a new cement tile roof - using LOW-E® THERMA SHEET as underlayment - was conducted by a third party Certified IR Thermographer.

Low-E Housewrap PRODUCT DESCRIPTION: Therma Sheet Roofing Underlayment is manufactured by Environmentally Safe Products, Inc. It is a 99% pure aluminum facing heat laminated to a foam core. To be used in conjunction with traditional felt paper Therma Sheet provides thermal protection under metal roofing, stone coated steel and clay tile. The Reflectix Insulation has over 20 energy-saving applications for Reflectix Insulation has over 20 energy-saving applications for around the home. The list of uses includes crawl space, radiant floor, attic and walls.