Heavy glass mat impact resistant roofing
Disclosed is impact resistant roofing that utilizes a heavy glass mat substrate having a weight of at least 3.0 lbs/csf that meets high impact resistance roofing standards. The impact resistant roofing utilizes a heavy glass mat that is embedded between two layers of asphalt. The impact resistant roofing can be manufactured on standard, existing roofing lines without modification.
1. Impact resistant roofing comprising:
a single fiberglass mat substrate having a weight of 3.2 lbs/csf;
a first asphalt layer disposed on a top portion of said single fiberglass mat substrate;
a second asphalt layer disposed on a bottom surface of said single fiberglass mat substrate;
wherein said impact resistant roofing exhibits impact resistance when a 2-inch steel ball is dropped from 20 feet onto said impact resistant roofing.
2. A method of manufacturing impact resistant roofing comprising:
providing a single fiberglass mat substrate having a weight of 3.2 lbs/csf;
placing a first asphalt layer over a top surface of said single fiberglass mat substrate;
placing a second asphalt layer on a bottom surface of said single fiberglass mat substrate;
wherein said impact resistant roofing exhibits impact resistance when a 2-inch steel ball is dropped from 20 feet onto said impact resistant roofing.