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2. Thermoplastic olefin - Wikipedia

   en.wikipedia.org/wiki/ThermoPlastic_Olefin

   If PP and PE are the dominant component of a TPO blend then the rubber fraction will be dispersed into a continuous matrix of "crystalline" polypropylene. If the fraction of rubber is greater than 40% phase inversion may be possible when the blend cools, resulting in an amorphous continuous phase, and a crystalline dispersed phase.

3. Membrane roofing - Wikipedia

   en.wikipedia.org/wiki/Membrane_roofing

   The most commonly used Cured Elastomer membranes are Ethylene Propylene Diene Monomer (commonly EPDM) and Neoprene, although all thermoset products combined fail to account for more than 10% of all commercial roofing. This is in part due to studies being released in the 1980s-early 2000's showing the average lifespan of thermoset membranes ...

4. Flat roof - Wikipedia

   en.wikipedia.org/wiki/Flat_roof

   From 2007 to 2012, reported sales of TPO roofing products by all six major U.S. manufacturers showed materials and accessories sales quadrupling those of all other flat roofing materials. [19] TPO roofing systems feature strong seams that are heat-welded, providing superior seam strength and reducing the risk of leaks compared to other roofing ...

5. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   The underlayment also sheds any water which penetrates the roof covering from an ordinary leak, a leak from wind-driven rain or snow, wind damage to the roof covering, or ice dams. However, the application of underlays may increase the roof temperature, which is the leading cause of ageing of asphalt shingles. Not installing an underlay may ...

6. CFP National Championship Game: NRG Stadium roof leaks ... - AOL

   www.aol.com/sports/cfp-championship-nrg-stadium...

   Ominous weather lurked outside and even made its way under the domed roof at NRG Stadium. CFP National Championship Game: NRG Stadium roof leaks pregame with Houston under a tornado watch [Video ...

7. GAF Materials Corporation - Wikipedia

   en.wikipedia.org/wiki/GAF_Materials_Corporation

   GAF is an American manufacturing company based in Parsippany, New Jersey. [1] Operating as a subsidiary of Standard Industries, GAF is the leading roofing and waterproofing manufacturer in North America, with 30 locations across the U.S. GAF produces both commercial and residential roofing products, as well as pavement coatings.