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2. Roof cleaning - Wikipedia

   en.wikipedia.org/wiki/Roof_cleaning

   The roof cleaning of fiberglass shingles Streaking on a roof Roof cleaning being performed using a soft-wash system. Roof cleaning is the process of removing algae, [1] mold, mildew, lichen and moss from roofs. [2] Also cleaning oxidation on metal roofs. Cleaning can extend the duration of a roof's ability to function. [2]

3. High-ozone shock treatment - Wikipedia

   en.wikipedia.org/wiki/High-ozone_shock_treatment

   High ozone shock treatment or ozone blasting is a process for removing unwanted odour, and killing mold, vermin and microorganisms in commercial and residential buildings. . The treatment is less expensive than some alternative methods of sterilizing indoor spaces - cleaning or removal of building material, or in extreme cases the abandonment of sick buildin

4. Release agent - Wikipedia

   en.wikipedia.org/wiki/Release_agent

   A release agent (also mold release agent, release coating, or mold release coating) is a chemical used to prevent other materials from bonding to surfaces. Release agents aid in processes involving mold release, die-cast release, plastic release, adhesive release, and tire and web release. [ 1 ]

5. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Light-colored roof shingles and reflective paint. Often called cool roofs , these help to keep attics cooler in the summer and in hot climates. To maximize radiative cooling at night, they are often chosen to have high thermal emissivity, whereas their low emissivity for the solar spectrum reflects heat during the day.

6. 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.

7. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   A metal roof is a roofing system featuring metal pieces or tiles exhibiting corrosion resistance, impermeability to water, and long life. It is a component of the building envelope . The metal pieces may be a covering on a structural, non-waterproof roof, or they could be self-supporting sheets.