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  2. Reflective surfaces (climate engineering) - Wikipedia

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

    Buildings may earn a rating of between one and four globes. This is an online system; a building's information is verified by a Green Globes-approved and trained licensed engineer or architect. To qualify for a rating, roofing materials must have a solar reflectance of at least 0.65 and thermal emittance of at least 0.90.

  3. Snow guard - Wikipedia

    en.wikipedia.org/wiki/Snow_guard

    Three-pipe Snow Fence System Snow Guards in Jackson, WY, USA Standing seam metal roof with Snow guards to keep snow from sliding off the roof too quickly. A snow guard is a device used to retain snow and ice from falling from one surface to a lower one; in contemporary usage, they are installed to prevent snow/ice pack from avalanching and damaging people, plants, and property below.

  4. Ice dam (roof) - Wikipedia

    en.wikipedia.org/wiki/Ice_dam_(roof)

    Ice dams may result in leaks through the roofing material, possibly resulting in damaged ceilings, walls, roof structure and insulation, or injury when the ice dam falls off or from attempts to remove ice dams. [1] The melting of roof snow comes from the combination of three basic causes: [2] Air temperatures well below freezing.

  5. Light, Fluffy Flakes Or Wet, Weighty Slush: What The Snow ...

    www.aol.com/news/light-fluffy-flakes-wet-weighty...

    Snow ratios can far exceed the 10:1 rule of thumb: In the 24 hours ending the morning of Jan. 21, 2024, parts of the Alleghenies saw 2 to 4 inches of snow from just 0.05 to 0.08 inches of liquid ...

  6. Covering (construction) - Wikipedia

    en.wikipedia.org/wiki/Covering_(construction)

    Roofers in Germany,. In construction, covering is the exterior layer of a building's roof. The covering ensures waterproofing by directing and collecting rainwater.It also provides mechanical protection against various external elements such as dust and intrusions.

  7. Roof - Wikipedia

    en.wikipedia.org/wiki/Roof

    A roof (pl.: roofs or rooves) is the top covering of a building, including all materials and constructions necessary to support it on the walls of the building or on uprights, providing protection against rain, snow, sunlight, extremes of temperature, and wind. [1]