Expansion Joint Rubber Strip for Concrete Floor – Durable Weatherproof Joint Filler Sealing Strip

This rubber expansion joint strip is designed to absorb movement between concrete slabs. Made from UV- and ozone-resistant EPDM rubber, it provides long-lasting flexibility and sealing under heavy loads and extreme weather.

Features

Flexible under thermal movement

Resistant to aging, UV, and moisture

High compression and recovery

Suitable for indoor and outdoor installation

Technical Specifications

Material: EPDM Rubber

Hardness: Shore A 60 ±5

Width: 20–300 mm

Thickness: 5–30 mm

Operating Temp: -40°C to +120°C

Color: Black or customized

Applications

Concrete roads and bridges

Parking structures

Warehouse and factory floors

Airport runways and sidewalks

Customization Options

Shape: flat, ribbed, omega, dovetail

Cut-to-length or roll supply

Custom dimensions and hardness

Joint sealing compound compatibility

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.