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2. Asbestos abatement - Wikipedia

   en.wikipedia.org/wiki/Asbestos_abatement

   [citation needed] Friable materials, such as popcorn ceiling tiles, have a lifespan between 20–40 years plus; whereas non-friable materials, such as asbestos roofing tiles, have a lifespan of 50–100 years and beyond. Different countries have different regulations and methods of enforcement, when it comes to asbestos removal.

3. Asbestos insulating board - Wikipedia

   en.wikipedia.org/wiki/Asbestos_insulating_board

   Asbestos insulating board (AIB), also known by the trade names Asbestolux and Turnabestos, is an asbestos-containing board formerly used in construction for its fire resistance and insulating properties. [1] These boards were commonly used in the United Kingdom from the 1950s until production ended in 1980.

4. Roof shingle - Wikipedia

   en.wikipedia.org/wiki/Roof_shingle

   Roof shingles, like other building materials on vernacular buildings, are typically of a material locally available. The type of shingle is taken into account before construction because the material affects the roof pitch and construction method: Some shingles can be installed on lath where others need solid sheathing (sheeting) on the roof deck .

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. Asbestos cement - Wikipedia

   en.wikipedia.org/wiki/Asbestos_cement

   Asbestos cement, genericized as fibro, fibrolite (short for "fibrous (or fibre) cement sheet"; but different from the natural mineral fibrolite), or AC sheet, is a composite building material consisting of cement and asbestos fibres pressed into thin rigid sheets and other shapes.

7. Roof cleaning - Wikipedia

   en.wikipedia.org/wiki/Roof_cleaning

   One safe and effective means to clean a roof is an electric agricultural sprayer system, as originally developed in Florida, USA in the early 1990s. [6] The equipment is used to apply a cleaning solution (typically containing bleach) that kills the algae, bacteria, mold, mildew, moss, fungus and other organic organisms growing on the roof.