Adhesive Rubber Water Stop Strip Butyl Weather Stripping Eco For Concrete Construction Joints

Water-Expanding Butyl Rubber Strip – Adhesive Swelling Tape for Concrete Construction Joints

Product Overview This water-expanding butyl rubber strip provides a flexible, adhesive-backed solution for sealing construction joints and pipe penetrations. Its swelling capacity offers an active barrier against groundwater intrusion.

Features Adhesive backing for easy positioning Swells uniformly when exposed to water Strong chemical and microbial resistance No primer or torching required.

Technical Specifications Material: Butyl rubber with swelling additives Expansion: Up to 300% Adhesion Strength: ≥ 1.5 N/mm Standard Sizes: 15×10mm, 20×10mm, 25×5mm Temperature Range: -20°C to +60°C Water Resistance: ≥ 0.3 MPa.

Applications Water treatment plant joints Pipe and cable penetrations Prefabricated basement slabs Box girder bridge segments.

Customization Options Adhesive-free version for cast-in use Color: Black, red, or custom shades Special shapes for keyhole joints OEM label and branded packaging.

Shenzhen Xunzhi Building Materials Industrial Co., Ltd. is an integrated enterprise specializing in design, production, and sales, with many years of experience in manufacturing and technical product development. The company has two subsidiaries: Hong Kong Ruisong Technology Co., Ltd. and Sanya Ruisong Technology Co., Ltd. It is a professional manufacturer of door and window seals, curtain wall seals, and vehicle door sealing strips, providing one-stop rubber sealing solutions to global customers for many years.

We specialize in the production and processing of various sealing and molding products, including PVC (Polyvinyl Chloride), EPDM (Ethylene Propylene Diene Monomer), high-grade thermoplastic rubber (Santoprene), silicone rubber, dual-hardness sealing strips, rigid decorative strips, EVA single- and double-sided adhesive products for doors, windows, and curtain walls, as well as molded parts and plastic-rubber injection components.

The company is equipped with a strict quality assurance system, comprehensive testing procedures, and excellent after-sales service. Our products are highly recognized and praised by industry professionals, and are exported to Europe, America, Southeast Asia, and Hong Kong and Macao regions.