5/8″ Closed Cell Backer Rod – 775 Ft Handy Pack

Closed cell backer rods are designed to limit the depth of sealants, help the sealant assume an hourglass shape (which prolongs sealant life), and serve as a bond breaker to prevent bottom-side adhesion. Backer rods do not stain sealants, and are chemically inert. They are non-gassing, non-exuding, and virtually dust-free. Due to physical and chemical inert nature, backer rod is compatible with virtually all known cold sealants, including self-leveling sealants – butyl, polysulfide, acrylic polyurethane, silicone, and most other cold-applied sealants.

Diameter of Rod: 5/8″
Feet per Roll: 775ft