Cork Self-expanding Expansion Joint

Expansion Joints & Plastics

CORK-SELF-EXPANDING EXPANSION JOINT is composed of clean, granulated cork, and securely bonded together.
CORK-SELF-EXPANDING is highly resilient, will compress without extrusion, and has a recovery rate of 95% or more of the original thickness.

  • Meets or exceeds all specifications
  • Resilient – recovers 95% of original thickness after compression
  • Resists water infiltration
  • Ideally suited for airport usage, filtration and water treatment plants

Cork Self-Expanding Expansion Joint meets all requirements of: ASTM D1752 Type III, AASHTO M153 Type III, FAA Specification item P-160-2.7, and Corps of Engineers CRD-C 509 Type III.

  • Compatible with all hot-pour and cold applied joint sealants
  • Inert, non-absorbent
  • Protects against water infiltration
  • Can be used in isolation joint applications

Cork Self-Expanding Expansion Joint comes in thicknesses of 3/8”, 1/2″, 3/4″, or 1”.

Sheets of self-expanding cork are manufactured at a standard length of 3’.

Slabs have a maximum width of 24” and can be cut to size from 2” to 24” in 1/2” increments.


12 Feet, 5 feet


1", 1/2", 1/4", 3/4", 3/8"