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HBR BACKER ROD

Polyethylene Foam for Backing Cold Applied Sealant

PRODUCT DESCRIPTION

HBR backer rod is a backing for elastomeric and other cold-applied sealants. HBR is round, flexible, continuous lengths of extruded, closed-cell polyethylene foam. Gray in colour, HBR is available in a variety of diameters.

PRODUCT DOCUMENTS

Technical Data Sheet

TYPICAL APPLICATIONS

It is used in expansion or contraction joints:

  • Control the depth of applied sealant.

  • Act as a barrier interface to prevent three sided adhesion (Bond Breaker).

  • Provide a form to assist the sealant in developing the hour glass shape.

  • It is used in glazing and expansion joints applications for windows, curtain walls, expansion wall joints, partitions, doors, settling cracks, pavements, pre-cast units and copings.

PRODUCT FEATURES

  • HBR Backer Rod is chemically inert and resistant to oils & gasoline.

  • It does not stain or adhere to sealant materials.

  • Acts as a bond-breaker strip.

  • HBR has a resilient closed-cell structure.

STANDARDS

  • CEGS-07951-9 Back-Stop Material

  • TT-S 00227E ( COM - NBS ) 6.8.8 & ASTM C1330

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