Exafoam
Application

For use as a joint filler in masonry and concrete structures where a low load transfer joint filler is required. Strip and cord sections are used to backup flexible joint sealants.

Description

A closed cell polyethylene foam for use in expansion and movement joints in structural elements. It is a non-absorbent compressible material with an excellent recoverability factor when compressed. It is supplied in sheets and strips at a variety of thicknesses for varying applications.

Features/ Benefits:

  • Excellent recovery from compression.
  • Closed cell material preventing water absorption.
  • Readily cut and formed to different shapes.
  • Excellent compressibility.

Applications:

For use as a joint filler in masonry and concrete structures where a low load transfer joint filler is required. Strip and cord sections are used to backup flexible joint sealants.

General information

Material

Cross-linked closed cell polyethylene foam

Uniclass 2015

Pr_25_71_63_27 Extruded polyethylene (PE) foam boardsPrimary

CAWS

E40/520 Sheet joint filler

E60/330 Expanded polystyrene void formers

F30/615 Movement joints without sealant

F30/78 Movement joints without sealant

Specification data - Extruded polyethylene (PE) foam boards

Product Reference

Exafoam

Thickness

10 mm

15 mm

20 mm

25 mm

Special order

Insert requirement, available from 2 mm.

Accessories

None

Exafoam Cord

Available in 100, 150, 200 and 250 mm widths.

Exafoam Strip

Available in 10, 15, 20, 25, 30, 40 and 50 mm diameters.

Standard product features

Material:

Cross-linked closed cell polyethylene foam.

Board size:

1000 x 2000 mm.

Technical properties:

  • Recovery from compression: ˃70%.
  • Water absorption: Negligible.
  • Elongation: >80%.
  • Tensile strength: 2.6 kN/cm.
  • UV resistance: Good.

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