About this product
Preformed hydrophilic, expandable butyl-rubber waterstop for horizontal and vertical construction joints in cast-in-situ concrete, including new-to-old concrete joints and pipe penetrations.
Technical details
Black preformed strip; SW 300: 20 × 15 mm, 7.5 m/roll; SW 475: 25 × 19 mm, 5 m/roll; installation temperature -20 to +50°C; minimum concrete cover 50 mm; fix using the specified contact adhesive or mechanical fixings; tested up to 6 bar water pressure; shelf life 12 months in a dry place at +10 to +40°C. Not for movement joints or installation in immersed conditions.