Snowflakes may look light and fluffy as they fall, but the accumulated weight of snow can cause serious damage to your roof. These three methods can help you prevent snow from damaging your roof.
- Calculate Snow Load
Most residential roofs are built to withstand up to 20 pounds per square foot and industrial roofs may be able to accommodate more than that. However, older roofs and flat roofs usually can sustain less weight before damage occurs. Not all snow weighs the same because of differing water content, but you can estimate the snow load on your roof by multiplying the depth in inches of the snow on your roof by 1.25 to get the pounds per square foot. For a more high tech solution, consider using predictive monitoring equipment to alert you when the snow load is dangerously high.
- Prevent Ice Dams
Ice can accumulate and block sections of your roof preventing snow from sliding off. Not only can ice dams increase the amount of snow that collects on your roof, but the weight of the ice itself can cause problems. Heating cables can prevent ice build-up and help snow slide off the roof. However, they can run your electricity …