HydroBlocker
TEKASWELL B 2025 HS
Bentonite swelling waterstop covered with protective foil
Swelling waterstop based on bentonite for systematic sealing of joints in concrete structures. Upon contact with water, the sealing tape swells and seals the joint making it waterproof. The protective foil prevents unwanted swelling due to rain for up to 10 days. To prevent protective foil from damages waterstops are fixed to the substrate with appropriate HydroBlocker Fixing Net HS.