Roofing Shingles And Foam Insulation

Spray foam insulation effect on a shingle roof.

Roofing shingles and foam insulation.

Bailes iii phd july 3 2013. How owens corning is responding to the covid 19 pandemic. 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. Get to know more about one of the most popular commercial roofing systems.

At night it goes back through the foam to the osb. Acute temperatures in uninsulated ventilated attics impact comfort and energy efficiency in living spaces below. The nail holding ability of the insulation is not adequate. 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. 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. If you do not have proper ventilation you are in essence cooking your shingles. Nail it around the edges with roofing nails.

The main concern with spray foam insulation and shingle warranty is proper attic ventilation. Browse through roofing products insulation shingles asphalt composites solutions basement finishing acoustic systems. It hits the osb roof sheathing and keeps going through the foam into the attic air. Asphalt shingles may be damaged or punctured when nailed onto a non rigid surface such as roofing insulation.

Research from florida shows that shingles don t get much hotter with spray foam insulation under the roof sheathing.