4 inch diameter Backer Rod Closed Cell - Grey

Single 4 inch Diameter Backer Rod and Craft Foam -Grey.

Backer rod may have surface imperfections.

Closed-Cell Polyethylene Foam
Meets SATM C1330 Type C
Made without CFC?s or HCFC?s

PRODUCT DESCRIPTION
Backer Rod is a closed-cell, resilient, polyethylene backer rod used as a backup material for construction joints and applications that?require sealants. It performs as a depth control for most known cold applied?sealants. Sealants will not adhere to it; no bond breaker is required.

COMPOSITION AND MATERIALS
Backer Rod is a round, black, resilient, extruded closed?cell polyethylene backer rod with a water-resistant outer skin. It is?compatible with most known cold applied sealants such as urethane,?silicone, acrylic, butyl, polysulfides, latex, and chinking sealants.

?SPECIFIC USES INCLUDE

• Expansion joints
• Highway joints
• Glazing
• Log home chinking
• Parking Decks

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LIMITATIONS

Closed-Cell Foam Backer Rod should be installed with a roller or blunt, flat-sided tool.?Please follow sealant manufacturer specifications for recommended sealant width?and depth ratio. For best results, do not puncture, fold or overly stretch the product.?The product is made with a water-resistant outer skin, therefore where moisture?resistance is important, care should be taken not to puncture this outer surface skin.