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Your Roof and the Weight of Winter Snow

Roofing Company Help Snow Covered Roof

Roofs are complex structures that can stand up to a lot, including rain, wind, heat and cold, even to snow, provided that the thickness of the white blanket stays under a certain level. Snowflakes might seem like the lightest things that you can see, but strangely, when there are a lot of them, they become excessively heavy. Here is why the weight of snow can be a problem on your roof:

  • Roof sagging or roof collapse – the weight of a layer of fresh, fluffy snow that is 1.5 inches thick and covers an average-sized roof equals the weight of an SUV and the weight increases as the snow becomes compacted. Even a roofing structure that is strong and solid can bend if exposed to such weight for a long time, so removing the snow when the weather calms is very important for relieving your roof;
  • Ice damming – the formation of thick and long icicles at the edge of the roof is another serious issue. The ice dams form when the layer of snow that is in direct contact with the roof surface melts, runs down on the roof slope and freezes again at the roof edge. The icicles might look spectacular, but they are very heavy and they can drag down the roof edge or the gutters, so they need to be removed before they cause any harm to your roof.  Contact http://www.nemasonry.com.