enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. 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 .

3. Roof shingle - Wikipedia

   en.wikipedia.org/wiki/Roof_shingle

   An asphalt shingle roof has flexible asphalt shingles as the ridge cap. Some roof shingles are non-combustible or have a better fire rating than others which influence their use, some building codes do not allow the use of shingles with less than a class-A fire rating to be used on some types of buildings. Due to increased fire hazard, wood ...

4. Covering (construction) - Wikipedia

   en.wikipedia.org/wiki/Covering_(construction)

   The roof underlayment is used to prevent accidental penetration of rainwater or powdery snow, to prevent convective exchanges with thermal insulation, and to control the migration of water vapor. [1] It is an element of the building's thermal performance. [2] The roof underlayment is placed between the frame and the roof support.

5. GAF Materials Corporation - Wikipedia

   en.wikipedia.org/wiki/GAF_Materials_Corporation

   [4] [5] The company introduced the first ready-to-lay asphalt roll roofing product, known as “Ruberoid,” in 1892. [5] [6] The Ruberoid product was further enhanced in 1898 when ceramic granules were added to Ruberoid rolls to increase durability and fire resistance. [5] The company subsequently changed its name to The Ruberoid Co. in 1921 ...

6. Asphalt shingle - Wikipedia

   en.wikipedia.org/wiki/Asphalt_shingle

   Asphalt shingles on a home in Avalon, New Jersey. Two types of base materials are used to make asphalt shingles, organic and fiberglass.Both are made in a similar manner, with an asphalt-saturated base covered on one or both sides with asphalt or modified-asphalt, the exposed surface impregnated with slate, schist, quartz, vitrified brick, stone, [6] or ceramic granules, and the under-side ...

7. Underlay - Wikipedia

   en.wikipedia.org/wiki/Underlay

   Underlay is also the term for the material under roofing tiles; [1] this roofing membrane is often made of rubber and is used to seal the roof and prevent leakage. Underlayment used with roofing shingles provides a second layer of water proofing to prevent leaks and is called tar paper , roofing felt , or since the 1990s synthetic underlayment.