Controlled Expansion Swellable Waterstops
Superswell 47B is a unique sealing compound that expands in a controlled fashion when exposed to moisture, forming a compression seal in concrete joints. This product has the structural integrity of a rubber-based sealant, the features of a butyl sealant, as well as the ability to expand to create a self-healing joint material.
Box Culverts, Retaining Walls, Underground Structures
25mm x 19mm (5M per Roll)