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Brand: Fosroc

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Closed-cell polyethylene joint filler, back-up
strips and cord

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Technical Information

Expandafoam is a flexible, readily compressible, closed-cell polyethylene joint filler supplied in sheet form and as rectangular strips or circular section cords.

Where to Use

Expandafoam is a closed-cell polyethylene joint filler for use as an expansion joint filler in brick and blockwork, isolation joints and hinge joints where a readily compressible low load transfer joint filler is required.

Strip and cord sections are also available. These are used as back-up strips for elastomeric sealants.

  •  Back-up / bond breaker strip to support sealants
  •  Bridge decks, abutments, pier hinge joints
  •  Brick and blockwork in building superstructures


  •  Readily compressible
  •  Low load transfer
  •  Excellent recovery after compression
  •  Non-absorbent
  •  Rot-proof  CFC-free



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