Winter brings a drop in temperatures. Even if you are excited about the cool temperatures in your area, you likely will not be happy about the effects winter tends to bring for commercial roofs. Commercial property owners need to be aware of the risks of winter weather and take necessary actions to protect their buildings.
Heavy Snow and Rain
If you do business in an area that gets large quantities of snow or rain, then you need to prepare your roof accordingly. Did you know that fresh snow can add over 20 pounds of weight for each cubic foot? In the event the snow melts and refreezes, then that can increase to 60 pounds per cubic foot. When snow builds up on a roof, it can lead to sagging purlins, cracked supports and loud popping noises.
Constant Thawing and Freezing
Snow and rain is one thing, but all commercial property owners need to watch out for ice. The snow can melt and refreeze elsewhere. This is how buildings end up with large icicles, which need to be removed by professionals before they break off the building and potentially hit someone. Ice also wreaks havoc on the flashings, tie-ins, downspouts, and drains. Your roof is in great danger if water seeps into the roof and freezes inside.
Certain types of roofs are susceptible to damage from experiencing repeated temperature extremes. This is referred to as thermal shock. It occurs when a roof experiences high temperatures during the day immediately followed by cold temperatures at night. Older roofs are more likely to experience thermal shock than new variations. With this cycle, the roof will expand and contract until it eventually begins to break apart.
Your best bet is to get in contact with professional roofing experts. The experts at State Roofing offer a variety of services to keep your commercial roof in top condition. Contact us at 206-207-5165 today to get a free estimate.