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2. Ice dam (roof) - Wikipedia

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

   An ice dam is an ice build-up on the eaves of sloped roofs of heated buildings that results from melting snow under a snow pack reaching the eave and freezing there. Freezing at the eave impedes the drainage of meltwater, which adds to the ice dam and causes backup of the meltwater, which may cause water leakage into the roof and consequent ...

3. Rake (tool) - Wikipedia

   en.wikipedia.org/wiki/Rake_(tool)

   A roof rake features a long handle and a flat, scoop-like head for removing debris or snow from rooftops, preventing gutter clogs and structural damage, especially in snowy regions. [2] Berry-picking rakes are tools for collecting berries. Fire rakes, a heavy-duty variant of the normal rake, are used for fire prevention.

4. Snow removal - Wikipedia

   en.wikipedia.org/wiki/Snow_removal

   Allowing snow to accumulate - especially on roofs where the weight of the snow may cause the structure to collapse - can be very dangerous. Contractors use hand shovels, walk behind snowblowers (or snow throwers), truck plows, skid-steers, light-weight tractors, and heavy front-end loaders. Many times, these machines will require use of tire ...

5. List of commercially available roofing materials - Wikipedia

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

   Concrete roofing is composed of concrete reinforced with fibers of some sort. Structural concrete can also be used for flat roof constructions. There are three main categories, precast/prestressed, cast-in-place and shell. There are many types of precast/prestressed concrete roofing. The following are the most common types. [8]

6. Flat roof - Wikipedia

   en.wikipedia.org/wiki/Flat_roof

   A flat roof is a roof which is almost level in contrast to the many types of sloped roofs. The slope of a roof is properly known as its pitch and flat roofs have up to approximately 10°. [1] Flat roofs are an ancient form mostly used in arid climates and allow the roof space to be used as a living space or a living roof. Flat roofs, or "low ...

7. Tornadoes triggered by winter storm rake Florida; Pacific ...

   www.aol.com/winter-storm-bring-snow-heavy...

   A blockbuster storm with heavy rain and powerful winds sparked tornadoes across the South on Tuesday − ripping roofs off buildings, toppling trees and blowing over RVs − after the system ...