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What is Aluminum Coating on a roof?

When they say to coat entire roof system with Aluminum coating, what does that mean? The area to coat is NOT the ceramic barrel tiles of a roof but the flat section covered with tar paper and granules of shiny sand. Is it a liquid? Clear? Good for the roof.? How is it applied?


Why you would be coating a flat roof with Aluminum coating is beyond anything I have learned. Flat roofs should have a felt and tar coating to water proof them. Aluminum roof coating is used mostly on mobile homes to reflect heat because mobile homes don't have attics to trap the heat and carry it to vents. It also seals the water out at the metal seams. Aluminum coating is a type of polymer that has aluminum flakes in it. It is brushed on like a thick coat of paint and allowed to dry.

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