Nomaco Engineered Foam Solutions

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Technical Spec Sheets

SOF Rod
HBR
HBR XL
OCFoam
Flat Rod

Certification Letters

SOF Rod
HBR
HBR XL
OCFoam
Flat Rod

 


Backer Rod and Flat Profiles

Nomaco Engineered Foam Solutions is the leading provider of foam joint filler products serving the concrete and waterproofing markets. Our full product line of backer rod and flat profiles are commonly used in expansion and control joints prior to sealing to limit sealant depth, help the sealant assume an optimum hourglass shape factor to prolong sealant life, and to serve as a bond breaker to prevent bottom-side adhesion of the sealant.



SOF Rod
SOF® Rod (Bi-Cellular Backer Rod)
Original bi-cellular backer rod. Soft enough to fill in tight areas, and non-outgassing to prevent sealant bubbling and failure.
SOF Rod
HBR® (Closed-Cell Backer Rod)
Closed-cell polyethylene foam backer rod for use as a backing material for elastomeric and other cold applied sealants.
SOF Rod
HBR® XL (Cross-Linked Backer Rod)
Closed-cell, cross-linked (XL) polyethylene backer rod commonly used with hot pour sealants.
SOF Rod
OCFoam™ (Open-Cell Backer Rod)
Polyurethane backer rod commonly used in window glazing and other applications that require polyurethane sealants.
SOF Rod
Flat Rod™ (Closed-Cell Flat Profiles)
Polyethylene foam expansion filler with or without a convenient tear-off strip, used to guide concrete forming and create a void for sealant to prevent surface cracking.

Product Attributes

  • Easy to apply
  • Non-exuding
  • Chemically inert
  • Virtually dust-free
  • Meets all the requirements of the 1990 Clean Air Act
  • Is a “Domestic End Product” as defined in the Buy American Act, Title 41 USC 10
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