Features & Benefits
- Closed cell polyethylene backer rod used for construction joints and sealant applications
- Performs as a depth control for cold applied sealants
- Compatible with most known cold applied sealants
- Chemically inert and resists gasoline, oil and solvents
- Complies with ASTM C 1330, Type C
- Makes professional lasting joints that fill and insulate
- Caulking adheres to the sides of the joint but not the filler rope