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Expandafoam: 6mm x 250m

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Expandafoam is a closed cell polyethylene foam rod supplied in circular section cords of varying diameters. Expandafoam is primarily used in expansion joints but is also suitable for use in any joint system requiring a readily compressible joint filler containing no migratory chemicals which could adversely affect joint sealants.


  • Expansion joints between all common building materials
  • As a bond breaker/joint profile former to support elastomeric sealants

Cross linked, compressible, 
closed cell foam rod


Weathering test
No disintegration

Water absorption
Negligible by volume 

Nominal density
25 kg/m3

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