Friday, 23 October 2015


CORKJOINT Superswell 47B® Hydrophilic Butyl Rubber Waterstop 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.

Superswell 47B® is manufactured utilising a specialised mixing process which encapsulates hydrophilic materials into a rubber base creating a controlled, moisture-activated seal. 

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.

Superswell 47B® complies to NSF/ANSI Standard 61: Drinking Water System Components – Health Effects, ensuring Superswell 47B® is safe for use in drinking water. Therefore, it is suitable to use in various potable water retaining structures like water tanks and reservoirs.

Roll size: 25mm x 19mm x 5m (L)
                20mm x 15mm x 7.5m (L)

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