Exafoam HD
Application

For forming expansion joints in concrete, brickwork and blockwork.

Description

A cross linked, semi-rigid, closed cell polyethylene sheet material used for forming or filling expansion joints between adjacent in-situ or precast components. Exafoam HD provides excellent support backing to elastomeric sealants and is especially recommended for use in expansion joints in brickwork and in the construction of water retaining and water excluding structures.

Features/ Benefits:

  • Excellent recovery from compression.
  • Will not extrude when compressed.
  • Non-absorbent composition.

Applications:

For forming expansion joints in concrete, brickwork and blockwork.

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 HD

Thickness

10 mm

15 mm

20 mm

25 mm

Standard product features

Material:

Cross-linked closed cell polyethylene foam.

Board size:

1000 x 2000 mm.

Technical properties:

  • Recovery from compression: 50%.
  • Compression: 100%.
  • Elongation: 110%.
  • Tensile strength: 470 kN/m².
  • Compressive strength: 25% compression: 68 kN/m²; 50% compression: 164 kN/m².

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