What is the WPM® Crack Inducer Profile?

The WPM® Crack Incuder profile is one part of a three-part integral waterproofing solution, i.e., the white tank solution. The profile is designed to work with other WPM® metal-sheet waterstops and crystalline waterproofing admixture.

The purpose of the profile is to control concrete shrinkage cracks and, by that, simplify the waterproofing of reinforced concrete structures, which speeds up the concrete casting process. While concrete structures are usually poured in stages to minimize the shrinkage of the concrete during the setting period, using the WPM® Crack Inducer profile, we can control where the shrinkage cracks appear and waterproof it at the same time.

By its nature, the WPM® Crack Inducer profile creates a keyway-shaped crack in the concrete structure when it adheres tightly to the concrete. Perpendicular to it is a perforated steel sheet with a mineral coating that makes the resulting shrinkage crack waterproof and thus prevents water from penetrating the building. The purpose of the pin-shaped crack is to maintain the strength of the structure so that the profile can be used in load-bearing structures.

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Crack inducing waterstop to control and wateretight concrete shrinkage cracks.