Gator Seal Underlayment - crm.catalystglobal.com d86b49
Webapply gatorseal underlayment to the roof, starting at the eave. The first course of gatorseal underlayment should be parallel and flush to the edge of the eave. Its durable high strength design.
Modified asphalt reinforced with an extra heavy fiberglass mat. Uniformly seals to the deck and.