size 25 mm x 20 mm, Length 5 m/Roll (6 Roll/Box)
size 20 mm x 15 mm, Length 6 m/Roll (6 Roll/Box)
size 20 mm x 10 mm, Length 9 m/Roll (6 Roll/Box)
Crocodile Expanding Waterstop is made from Bentonite and Butyl Rubber which provides superior expansion to seal cracks and fill small voids. It is a flexible strip concrete construction joint waterstop that provides a positive seal by expanding upon contact with water. Crocodile Expanding Waterstop is an active waterstop that functionally replaces conventional passive PVC dumbbell waterstops. It is designed for both continuous and intermittent hydrostatic conditions and hydrostatic head resistance 120 PSI (8 bar).
The recommended concrete covering depends on the size of waterstop:
Crocodile Expanding Waterstop can be stored unopened for 12 months in dry place.