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2. Reflective surfaces (climate engineering) - Wikipedia

   en.wikipedia.org/wiki/Reflective_surfaces...

   The albedo of several types of roofs (lower values means higher temperatures). Reflective surfaces, or ground-based albedo modification (GBAM), is a solar radiation management method of enhancing Earth's albedo (the ability to reflect the visible, infrared, and ultraviolet wavelengths of the Sun, reducing heat transfer to the surface).

3. The surprisingly simple way cities could save people from ...

   www.aol.com/surprisingly-simple-way-cities-could...

   Grist reports on how cool roofs reflect sunlight and reduce the urban heat island effect. ... which would make heat waves less dangerous. ... into a specific type of roofing shingle and municipal ...

4. Radiant barrier - Wikipedia

   en.wikipedia.org/wiki/Radiant_barrier

   A radiant barrier reflects heat radiation (radiant heat), preventing transfer from one side of the barrier to another due to a reflective, low emittance surface. In building applications, this surface is typically a very thin, mirror-like aluminum foil. The foil may be coated for resistance to the elements or for abrasion resistance.

5. Sarking - Wikipedia

   en.wikipedia.org/wiki/Sarking

   An additional layer within a roof that insulates or reflects heat, such as a layer of felt, reflective foil, or polystyrene. Roofing felt or other type of underlayment (Am. English) under the roof covering for extra resistance to leakage.

6. List of commercially available roofing materials - Wikipedia

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

   A shingle is the generic term for an individual roofing unit that is applied with other such units in an overlapping fashion. [2] Wood shingle, shingles sawn from bolts of wood such as red cedar which has a useful performance life expectancy of up to 30 years. However, young growth red cedar has a short life expectancy and high cost.

7. Metal roof - Wikipedia

   en.wikipedia.org/wiki/Metal_roof

   Metal roofs emissivity is better at reflecting solar radiation at 10%–75% depending on the color choice, compared to asphalt roofs that reflect 5%–25% depending on their color. Over the lifetime of the metal roof they keep 95% of the reflective capacity compared to other roof types that lose 20%–40% of their reflective capacity.