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Is the Nomaco HBR backer rod resistant to chemicals or environmental degradation?

Hardware, Tools & Sealants
Construction Tapes, Sealants and Adhesives
Backer, Sof Rods, and Accessories
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DK Hardware 2026-09-30 - 18:09:38
Technical Team

Yes, the Nomaco 337-91-1500-1 HBR Closed-Cell Polyethylene Backer Rod is an inert material, making it physically and chemically compatible with various cold-applied sealants. Its polyethylene construction ensures durability and resistance to degradation in typical construction environments.

Product Details

1-1/2" x 6 ft HBR Closed-Cell Polyethylene Backer Rod
337-91-1500-1Nomaco 337-91-1500-1 1-1/2" x 6 ft HBR Closed-Cell Polyethylene Backer Rod
$5.30/Each

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