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2. 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.

3. Flashing (weatherproofing) - Wikipedia

   en.wikipedia.org/wiki/Flashing_(weatherproofing)

   Stainless steel penetration flashings have proven to be the longest lasting and most reliable roof flashing type. Channel flashing Shaped like a “U” or channel to catch water (e.g., where the edge of a tile roof meets a wall). Through wall flashing Spans the thickness of the wall and directs water to weep holes. Cap flashing (drip cap)

4. 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 ...

5. 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 .

6. 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 ...

7. U.S. EPA proposes replacing lead water pipes within 10 years

   www.aol.com/news/u-epa-proposes-replacing-lead...

   The proposal, announced by the U.S. Environmental Protection Agency (EPA), includes a series of additional regulatory actions such as lowering the lead action level and improving sampling ...