Conmix Expancell

Closed cell polyethylene joint sealant back-up cord

Unit Sizes

10mm 100m roll - Add to Cart
Product Code: 307200

25mm 100m roll - Add to Cart
Product Code: 307210

Manufacturer's Website

Product Spec Sheet

Features and Benefits


  • Economical
  • Easy to install
  • Readily compressible
  • Rot proof and non-absorbent
  • Provides bond breaker and minimum strain shape for
  • joint sealants
  • Provides a firm backing for sealant tooling