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Spray Polyurethane Roofing(SPF) is a liquid , plural component product that is spray applied. Once applied, it fills cracks and crevices by epanding approximately 30 times its original volume. It forms a hard, closed cell monolithic roof surface. It dries within seconds after being applied to the roof surface.
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What is SPF (Spray Polyurethane Foam) Roofing?
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