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2. List of commercially available roofing materials - Wikipedia

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

   Installation is very streamlined and a rapid process. Depending on the size of the roof and the experience of the crew, it is possible to remove old shingles and apply new ones on 2-3 houses in one day. Life span varies. Use only on slanted roofs. [4] Rubber shingle, an alternative to asphalt shingle, slate, shake or tile.

3. Flat roof - Wikipedia

   en.wikipedia.org/wiki/Flat_roof

   Enhance the life expectancy of both the roof membrane and the building's cooling equipment. Improve thermal efficiency of the roof insulation; this is because as temperature increases, the thermal conductivity of the roof's insulation also increases. Reduce the demand for electric power by as much as 10 percent on hot days.

4. Asphalt roll roofing - Wikipedia

   en.wikipedia.org/wiki/Asphalt_roll_roofing

   Asphalt roll roofing or membrane is a roofing material commonly used for buildings that feature a low sloped roof pitch in North America. The material is based on the same materials used in asphalt shingles ; an organic felt or fiberglass mat, saturated with asphalt , and faced with granular stone aggregate.

5. Life expectancy in the US is forecast to grow slightly, but ...

   www.aol.com/life-expectancy-us-forecast-grow...

   Life expectancy in the U.S. is projected to increase from 78.3 years in 2022 to 79.9 years in 2035 and to 80.4 years in 2050 for all sexes combined, researchers said.

6. Roof cleaning - Wikipedia

   en.wikipedia.org/wiki/Roof_cleaning

   Roof cleaning is the process of removing algae, [1] mold, mildew, lichen and moss from roofs. [2] ... and can reduce a roof's life expectancy. [2] The presence of ...

7. Bituminous waterproofing - Wikipedia

   en.wikipedia.org/wiki/Bituminous_waterproofing

   Heavier material is typically used for underlayment of longer-lived roof materials in order to match their longer life span, and on less sloped roofs, which are more susceptible to leaking. For example, two layers of No. 30 felt might be used under a slate or tile roof, whereas a single layer of No. 15 might be adequate for a steeply raked roof ...