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FILL-RITE 3" Diameter Grey Backer Rod Closed Cell - Individual

FILL-RITE 3" Diameter Grey Backer Rod Closed Cell - Individual

Regular price $27.99 USD
Regular price Sale price $27.99 USD
Sale Sold out

The Fill-Rite 3” diameter grey backer rod closed cell is the best material for tough applications. Use it for construction joints, expansion joints, glazing, and much more. The 3-inch polyethylene backer rod has water-resistant outer skin, which adds to the material’s resilience. Furthermore, it’s compatible with cold-applied sealants like urethane, silicone, acrylic, and latex.

Purchase your individual Fill-Rite 3” diameter grey backer rod closed cell right here! Always have this commercial grade material at your side.

Single 3 inch Diameter Backer Rod and Craft Foam -Grey

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

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.

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.


  • Expansion joints
  • Highway joints
  • Glazing
  • Log home chinking
  • Parking decks
  • Pool decks


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.

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