Proof That Foil Radiant Barriers Don't Work Directly Under Roofing Shingles - MUST Have an Air Space

If you've ever been told that foil works if you put it under shingles, this video is for you.
Ed finally debunks the myth that radiant barrier works directly under shingles - if only it were that simple! Watch as he lays down a foil underlayment and 4 other underlayment products under shingles and puts them to the test.
If your roof system has an air gap (shingles on a double-deck system, metal on battens, tile, etc) then a radiant barrier can definitely work for you. To see the thermal proof of just how good it works when installed properly, check out this video: • Thermal Proof RoofingF...
Learn more about RoofingFoil™ here: roofingfoil.com/
Buy the new RoofingFoil™ Underlayment here: bit.ly/2XOfyt6