You can trust Gutter Topper® roof gutter design to perform as promised for your home – even under the
harshest weather conditions. Independent testing proves it.
PRI Construction Material Technologies, an independent testing firm for the roofing and construction industries, tested Gutter Topper's® roof gutter design against the worst that Mother Nature could dish out. Passing in every tested category, Gutter Topper's® roof gutter design is certified to:
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Stops leaves, twigs and debris.
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Resist winds of up to 110 mph
(Miami-Dade County standards, the strictest in the United States)
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Handle downpours of up to 22" per hour / 528” per day
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Withstand up to 1,200 lbs. of weight per sq. ft.
So, when the weather gets rough, don’t worry. You can count on the design of Gutter Topper's® roof gutter guards to be stronger than the forces of nature.
If someone says that our roof gutter guards will void your shingle warranty, leading shingle manufacturers agree that it simply is not true, and they should know!
Look for yourself.....click for comments from GAF and CertainTeed.