Details29oz (820G) Handi-Foam Black Gun Foam HC Sealant P30295 Black Gun Foam HC is a UL-classified sealant. It can be used to insulate, seal, bond, fill and stop air/water infiltration. Position Rocks and Statuary. Great Adhesive for rocks pond liners and waterfall applications. One-component foams cure when moisture in the air reacts with the chemistry of the foam. Cured foam can be trimmed, sanded and/or painted.
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