Window World 4000 vinyl siding is engineered to protect your home in a number of ways. With a Perm Rating of 5, Window World 4000 vinyl siding does not trap moisture and allows your exterior walls to breathe freely. Designed to deliver 5 times more impact resistance than conventional siding, the result is a beautiful and durable siding system that will withstand typical household accidents, and also Mother Nature’s worst.
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4000 Series Siding
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