Backer Rod Manufacturing—is one of the largest manufacturers of backer rod materials in the world.
We are experts in the specialty caulking field, providing backing for elastomeric and other applied sealants to the worldwide construction market. No other company manufactures and supplies backer rod products that are able to withstand temperature variations from -60º F to over 2000º F.

Backer Rod’s Denver Foam®

Denver Foam® open cell polyurethane backer rod serving as a backing for elastomeric and other applied caulking sealants.

Denver Foam® controls the amount of sealant required and depth of the installation. Also, it forms the correct hour glass shape of sealant, assuring the contractor and owner the best adhesion and cohesion configuration possible.

Denver Foam® is an open cell backer rod allowing air to reach both sides of sealant, assuring you the required complete cure.

Specific Applications:

For use in highway construction

  • Pavement maintenance
  • Expansion/construction joints in concrete and precast concrete walls
  • Floors
  • Partitions
  • Bridge construction
  • Parking decks
  • Curtain walls
  • Glazing
  • Log home construction

Packaging:

Both Mini Bags and Master Bags are compressed into Super Bundles for shipping. Each individual size is color coded for identification, storage and ease of distribution to customer.

Packaging Data (PDF)

Technical Data

Denver Foam® is chemically inert and resists oil, gasoline and most solvents. The material is odorless and will not stain. The open cell construction eliminates the out-gassing and cold flow problem associated with closed cell polyethylene Backer Rods. The sealant also has the benefits of a 2-sided cure.

Denver Foam Data Sheet (87k)
Datos Técnicos de Denver Foam (48k)
Denver Foam MSDS Sheet (12k)
Fichas Técnicas de Seguridad de Denver Foam (22k)

  J.D. Honigberg International, Inc.                                 Construction and Materials Handling Equipment
J.D. Honigberg International, Inc.
85 Revere Drive, Suite D, Northbrook, IL 60062 USA
Tel: 847-412-0200 - Fax: 847-412-0034 - E-mail:
powerequipment@jdhintl.com