Nomaco HBR Closed Cell Backer Rod

Nomaco HBR Closed Cell Backer Rod

Round, flexible, continuous lengths of extruded, closed-cell polyethylene foam backer rod for use as a backing material for elastomeric and other cold applied sealants.

► HBR Technical Spec Sheet – PDF


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Nomaco HBR Closed Cell Backer Rod

TYPE: C – Per ASTM C 1330. Cylindrical, flexible sealant backings composed predominantly of closed cell material per ASTM C 1330 for use with cold applied sealants.
TYPE: 3 -Per ASTM D 5249. Round rods of various diameters for use with cold applied joint sealants.
FORM: Round Foam Rod.

HBR limits the depth of the sealant and prevents excessive sealant use. It also helps sealant assume optimum shape factor to prolong sealant service life and acts as a barrier to the flow of sealant through the joint.

Common applications include, but are not limited to, expansion and contraction joints, curtain walls, construction partitions, parking decks and bridge construction.

• Easy to apply
• Non-exuding
• Chemically inert
• Virtually dust-free
• Meets all of the requirements of the 1990 Clean Air Act
• Is a “Domestic End Product” as defined in the Buy American Act, Title 41 USC 10