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Weather & Durability
5 articles in Weather & Durability.
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Understanding and Preventing Ice Dams: Expert Tips for Homeowners
Ice dams form when heat escaping into the attic melts roof snow, which refreezes at the cold eaves and traps water that backs up under the roof. The fixes are attic insulation and ventilation — and a smooth metal roof that sheds snow and ice before a dam can build.
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Roofing Wind Damage
Interlock metal roofs are tested and warranted to resist 120 mph winds — Category 2 hurricane strength — and are Florida Building Code approved for High-Velocity Hurricane Zones. The secret is a four-way mechanical interlock with no exposed fasteners for wind to catch and peel.
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The Effects of Snow on Your Roof
Snow damages roofs by weight, not depth — and a foot of wet snow can outweigh several feet of powder. An Interlock aluminum roof adds almost no load of its own (~0.41 psf) and its smooth, four-way-interlocked surface sheds snow; one owner reported a 95% drop in roof snow load after switching.
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Interlock Metal Roofing Systems Are Strong
Interlock roofs are made from aircraft-grade aluminum — pound-for-pound stronger than steel, about one-third the weight, and rust-proof. Formed into a four-way interlocking panel and finished in Alunar® coating, the system is light enough to install over an existing roof yet rated UL 2218 Class 4 for impact.
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Why an Aluminum Shingle Roof Is the Best Choice for Homeowners Living Near the Ocean
Salt air destroys ordinary roofs. Interlock’s aircraft-grade aluminum shingles can’t rust, are sealed in a marine-tough PVDF Alunar® coating, carry UL 2218 Class 4 impact resistance, and are Florida Building Code approved for High-Velocity Hurricane Zones — making them the best choice for coastal homes.
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