Rainstorms and hail can make metal roofs loud. It is possible for snow to avalanche off a metal roof in such quantities that it damages decks, shrubs, cars, or even people. In heavy snow areas, asphalt-shingled homes may have to rake snow off their roofs, but metal roofs do not. Some benefits result from the fact that snow that slips off the roof cannot build up on top of it. In areas with heavy snowfalls in winter, snow "avalanches" off the roof due to their slippery surfaces. Whenever a metal roof is wet or covered in snow, it is not a good idea to climb on it. Metal roofs have some actual disadvantages: Metal roofs are slippery when wet or when covered with snow, which poses an actual safety risk. Lighting cannot strike the metal roof because it is not grounded. Lighting and roofs made of metal: The misconception that metal roofs attract lightning probably stems from the fact that metal is a good conductor of electricity, so people assume that a metal roof will attract lightning. Lightning usually strikes whatever object is highest in the area that has an uninterrupted path to the ground when it strikes, as it is seeking a path to the ground. Interestingly, one of the main fears people have about metal roofs is unfounded: Metal roofs attract lightning. Metal roofs have many advantages, but there are also some disadvantages to consider. In addition to galvanized steel, copper, aluminum, and tin, metal roofing products can be composed of a variety of metals. Also, it has some disadvantages as well, like there is an inconsistency in the color match and it is expensive.įREMONT, CA: In new construction and when an aging roof needs to be replaced, metal roofs are a popular choice. Insulated metal roof systems have various advantages, such as energy efficiency, longevity, and minimal maintenance. Construction Demolition and Recycling APAC.
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