Self Expanding Cork Type III

Self Expanding Cork is produced with clean granulated cork particles securely bound together with a synthetic resin. The product expands upon exposure to moisture and weather to develop an interface pressure seal within the concrete joint.


  • Self Expanding Cork Type III is particularly used for sealing the expansion joint in water structures, water treatment facilities and storage structures among others.
  • Conforms to ASTM D-1752-84 TYPE III
  • Available in full 24″ x 36″ sheets or can be precut and shipped to meet your exact specifications.
  • S.E. Cork requires proper handling and storing conditions

Self Expanding Cork Data Sheets