Probar Italia — Advanced Building Technologies DPS IT
PRO WS — Water-swellable bentonite waterstop, waterstops and construction joints
Probar rangePRO WS

PRO WS

Water-swellable bentonite waterstop

Water-swellable waterstop of natural sodium bentonite and butyl rubber for sealing vertical and horizontal construction joints in below-grade structures. Confined between successive pours, it gradually swells on contact with water.

REQUEST INFORMATION

probar@probaritalia.com · +39 02 97130588

Features and benefits

FEATURES

  • Sodium bentonite + butyl rubber
  • Water-swellable
  • For vertical and horizontal construction joints

BENEFITS

  • Active sealing of construction joints
  • Effective even under hydraulic pressure

Technical data

Section
20 × 25 mm

Data as declared in the Probar Italia 2026 catalogue. For complete and up-to-date values, the manufacturer’s data sheet prevails.

When to use PRO WS

White tankConstruction joints and joints

Applications listed in the catalogue

Construction jointsBelow-grade structuresHydraulic pressure

Documentation

Data sheetPDF · or on requestSafety data sheetPDF · or on requestSpecification textPDF · or on request2026 cataloguePDF · page 26

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