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.
TEMPERATURE LIMITS: -45˚F to +160˚F.
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
• 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