AlphaChem Joint Backer Rod Closed Cell Polyurethane Expansion Foam 20mm x 350m

1 x CROMAR AlphaChem Joint Backer Rod 20mm x 350m. The CROMAR Joint Backer Rod is a closed cell polyurethane foam rod designed to serve as an essential backing material in expansion joint sealing. It prevents three-sided adhesion, ensuring optimal sealant performance and longevity.

eBay