Roofing Shingles And Foam Insulation

The moisture from above they thought comes from rain and dew on the shingles migrating inward and then being forced farther inward during the day by solar vapor drive.

Roofing shingles and foam insulation.

Spray foam insulation effect on a shingle roof. Browse through roofing products insulation shingles asphalt composites solutions basement finishing acoustic systems. The nail holding ability of the insulation is not adequate. Start at the bottom of the roof and place the first piece of rigid foam insulation against the metal flashing starting at the center line.

An attic that is properly vented has 50 intake of fresh air and 50 exhaust of the hot air. Pick your shingles find a contractor. Most people do not realize the requirements for proper venting of an attic. Consequently shingle damage and or blow off may occur if shingles are applied directly to insulation.

The main concern with spray foam insulation and shingle warranty is proper attic ventilation. It hits the osb roof sheathing and keeps going through the foam into the attic air. Get to know more about one of the most popular commercial roofing systems. Bailes iii phd july 3 2013.

Research from florida shows that shingles don t get much hotter with spray foam insulation under the roof sheathing. Acute temperatures in uninsulated ventilated attics impact comfort and energy efficiency in living spaces below. If you do not have proper ventilation you are in essence cooking your shingles. Nail it around the edges with roofing nails.

At night it goes back through the foam to the osb.