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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. Not installing an underlay may ...

3. List of commercially available roofing materials - Wikipedia

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

   Widely used for low cost and durability. Sheds are normally roofed with this material. Gal iron or Corro was the most extensively used roofing material of 20th century Australia, now replaced in popularity by steel with longer-lasting, coloured, alloy coatings. Copper roofs can last for hundreds of years. Copper roofing offers durability, ease ...

4. Asbestos abatement - Wikipedia

   en.wikipedia.org/wiki/Asbestos_abatement

   In construction, asbestos abatement is a set of procedures designed to control the release of asbestos fibers from asbestos-containing materials. [1] Asbestos abatement is utilized during general construction in areas containing asbestos materials, particularly when those materials are being removed, encapsulated, or repaired.

5. Asbestos - Wikipedia

   en.wikipedia.org/wiki/Asbestos

   Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -⁠toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...

6. Keasbey and Mattison Company - Wikipedia

   en.wikipedia.org/wiki/Keasbey_and_Mattison_Company

   Asbestos was then shipped by railway to Ambler, where it was processed and used to create a wide variety of products. [2] Keasbey and Mattison did extensive research and product development. By 1896, the plant included areas to produce roofing tiles, papers, pipe coverings, and the nation's first asbestos textile plant.

7. Asbestos shingle - Wikipedia

   en.wikipedia.org/wiki/Asbestos_shingle

   Asbestos shingles are roof or wall shingles made with asbestos cement board. They often resemble slate shingles and were mass-produced during the 20th century as these were more resilient to weathering than traditional slate shingles for the reason that slate is very soft and prone to weathering.