Ice dams are a common sight in northern new england winters and home partners has dealt with quite a few.
Steel roof and ice dams.
Metal roofing is sometimes sold as the smart alternative to heat tape.
By installing a metal roof that has a special coating designed to shed snow and ice causing it to fall off the roof before it has a chance to form into an ice dam you can completely eliminate ice dam formations on your roof in the first place.
An ice dam can damage both your roof and the inside of your home.
An ice dam is a hump of ice that forms at the edge of a roof under certain wintertime conditions.
Even on a metal roof keeping valleys eaves and gutters clear can only be achieved by keeping the refreeze from occurring by keeping the melt liquefied and allowing it to get off the roof and then too the ground.
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Metal roofing can help but is not an ice dam panacea.
This only occurs when part of your roof warms to above 32 degrees f warm enough to melt the snow while the roof edge remains below freezing.
Heat cables can be installed to minimize ice formation and retention on roofs with them you can prevent a lot of damage to your roof that can result from the buildup of ice dams.
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If you do not want to install an entire new metal roof you can put metal only where it is really needed to prevent ice dams along the eaves.
Heat cable ul listed to prevent ice dams.
Ice belt metal panels are typically short 3 4 and wide 2 5 3 and are made of thin gauge aluminum.
While it may seem like the perfect solution to ice dam formation heat cables come with quite a few disadvantages as well.
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This scenario is often the result of a warm attic.
Stop ice dams with a cold roof.
There are products out on the market that can prevent ice dams and keep them from forming.
This is called ice belt metal panels.
A metal roof will generally shed snow better but snow running down the roof will still freeze on the unheated overhangs creating an ice dam.
Ice dams and icicles form when the snow melts runs down your roof and refreezes near the edge.
It will put gutters and downspouts at risk too.
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Is metal roofing a good solution to ice dam problems.
Typically we experience ice dams on our roofs because of heat loss solar gain or temperature fluctuations creating conditions where snow is melted on the roof and refreezes in the gutters or at the roof edge.
Another option to consider is a metal roof.