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2. Flat roof - Wikipedia

   en.wikipedia.org/wiki/Flat_roof

   A TPO roof system can be fully adhered, mechanically fastened, or ballasted, although TPO roof systems are rarely ballasted, since the ballast covers up the surface of the roof and negates the reflective property of white TPO. TPO seam strengths are reported to be three to four times higher than EPDM roofing systems.

3. List of commercially available roofing materials - Wikipedia

   en.wikipedia.org/wiki/List_of_commercially...

   Roofing material is the outermost layer on the roof of a building, sometimes self-supporting, but generally supported by an underlying structure. A building's roofing material provides shelter from the natural elements. The outer layer of a roof shows great variation dependent upon availability of material, and the nature of the supporting ...

4. Reflective surfaces (climate engineering) - Wikipedia

   en.wikipedia.org/wiki/Reflective_surfaces...

   According to the US DOE's "Guidelines for Selecting Cool Roofs" on the subject of cool roof maintenance: "As a cool roof becomes dirty from pollution, foot traffic, wind-deposited debris, ponded water, and mold or algae growth, its reflectance will decrease, leading to higher temperatures. Especially dirty roofs may perform substantially worse ...

5. Thermoplastic olefin - Wikipedia

   en.wikipedia.org/wiki/ThermoPlastic_Olefin

   Common elastomers include ethylene propylene rubber (EPR), EPDM (EP-diene rubber), ethylene-octene (EO), ethylbenzene (EB), and styrene ethylene butadiene styrene (SEBS). ). Currently there are a great variety of commercially available rubbers and B

6. Butyl rubber - Wikipedia

   en.wikipedia.org/wiki/Butyl_rubber

   It is important [citation needed] to have the roof membrane fixed, as a lot of fixtures (e.g., air conditioner vents, plumbing, and other pipes) can considerably loosen it. Rubber roofing typically refers to a specific type of roofing materials that are made of ethylene propylene diene monomers (EPDM rubber). It is crucial to the integrity of ...

7. One Main Place (Portland, Oregon) - Wikipedia

   en.wikipedia.org/wiki/One_Main_Place_(Portland...

   In 2019, Sterling-Pacific Commercial Roofing & Waterproofing was hired by New York Life Insurance Company to replace the original roof on One Main Place. The original roof system lasted for 37 years. It was replaced with an EPDM roofing system from Carlisle. The installation was supervised by legendary roofer, Sean Britt.