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Freeze-thaw cycles could cause roof problems

Freeze-thaw cycles could cause roof problems

COLORADO SPRINGS, Colo. - As winter continues its freeze-thaw cycles, roofing experts warn of common problems.

Josh Vanderhoof, the general manager of Premier Roofing in Colorado Springs, told KRDO NewsChannel 13 there are three main problems in the winter: ice damming, frozen gutters and condensation in the attic.

"One of the most important or underrated aspects is to make sure your HVAC system is connected and you vent outside your roof," Vanderhoof said.  

According to Vanderhoof, anything from your stove vent to bathroom fans to dryer vent could cause a problem if it's not properly ventilating to the outside.  If the moist air instead goes to the attic, it could cause mold and serious damage.

"If you have condensation and steam coming up into your attic, you'd have to replace the entire roof," Vanderhoof said.  "Not just the shingles, but the wood on the roof -- the decking itself."

Ice damming is another issue that can be caused by heat escaping through your roof.  The snow melts on the roof and slides to the cold overhang, where it refreezes.  Water sitting on the warm roof builds up behind the ice and can create issues by pooling under shingles.

When it comes to icicles, Vanderhoof says removing them is up to the discretion of the homeowner.

"They can be dangerous to animals and homeowners if they get big enough and fall," he said.  "If they create enough weight, they can pull the gutters from the house."

In general, Vanderhoof says it's best to wait until they melt on their own.

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