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The AlphaGuard® BIO Top Coat (TC) is a two-part, bio-based, polyurethane roof coating that can be used in restoring BUR, MB and single ply roofs. It is used as a surfacing over AlphaGuard BIO Base Coat and reinforcement. With 60% biobased content, AlphaGuard BIO Top Coat has attained BioPreferred certification from the U.S. Department of Agriculture.
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