HYDROPHILIC BUTYL WATERSTOP SEAL, WATERSTOP, RUBBER WATERSTOP
Superswell 47B® Hydrophilic Butyl Waterstop Seal is a unique sealing compound which expands in a controlled fashion when exposed to moisture, forming a compression seal in concrete joints. Superswell 47B® is ideal for use in horizontal and vertical construction joints for cast in-situ concrete structures.
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