Water Swelling Strip is a hydrophilic rubber-based joint sealant designed to swell when exposed to water, filling concrete gaps or joints to prevent water ingress and ensure long-term waterproofing performance.
This product is commonly applied in underground concrete works and water-retaining structures, such as:
Technical Specifications:
-
Material: Synthetic rubber with active hydrophilic agent
-
Standard sizes: 20 × 10 mm, 25 × 10 mm, 30 × 10 mm
-
Roll length: ±10 meters
-
Swelling ratio: 200% to 400% depending on type
-
Water pressure resistance: ±0.2 – 0.5 MPa
-
Temperature range: -20°C to +60°C
Product Advantages:
-
Expands automatically upon contact with water
-
Fills micro-cracks and construction joints effectively
-
Easy to install without special tools
-
Flexible and conforms to various concrete shapes
-
Provides long-lasting waterproof sealing
Typical Applications:
-
Horizontal and vertical construction joints
-
Basement wall-to-floor joints
-
Precast segment connections
-
Dams, reservoirs, WWTPs, and tunnels
Ordering Information:
PT Feihong Trading International supplies Water Swelling Strip in standard and custom sizes to meet project-specific requirements.