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Elastomeric Sealing System (Air-Pressurized Seal)

Air-Pressurized Seal is a patented structural sealing joint system comprised of a neoprene profile, which is air-pressurized and bonded in place with a specially formulated epoxy adhesive. When properly installed, the high performance

Air-Pressurized Seal joint system will not tear away, protrude out of, or slip from its original position when exposed to repeated mechanical or thermal movements. Complete adhesion of the epoxy to the profile and joint wall is achieved due to the air inflation during installation. Air-Pressurized Sealis the mostdurable, versatile, cost-effective, and watertight expansion joint in the industry.


Two different types of Air-Pressurized Seal neoprene profile are available and each is available in a range of sizes to meet particular project requirements.

  • W-type profiles with 100% movement capability are used for dynamic movement, for example for bridges, viaducts, tunnels, car park structures and water management applications.
  • FW-type profiles are use for movement applications that require a flush-to-finish system, for example pedestrian traffic areas, industrial buildings, airport terminals and carpark structures, but are also suitable for most W-type profile applications.