Backer Rods are primarily used in expansion and contraction joints and are used to limit the depth of the sealant, help the sealant assume an optimum hourglass shape factor to prolong sealant life, and serve as a bond breaker to prevent bottom-side adhesion of the sealant.
Designed for Sealing EIFS Joints
Resistance to Moisture and Freeze-Cycle Problems
Conforms to Irregular Joints
Non-absorbing Closed Cell Skin
Dispenses Easily from Box to Joint
Other sizes available upon request
Demand Products Backer Rod is also available in a variety of other shapes and diameters including cylindrical rods, half rounds, quarter rounds, trap rods, tri-rods, sheets, and rolls.
In addition, we offer several specialty backer rods for use in fillet joints and shallow joint reservoirs. Demand Products backer rods are commonly used in joints for curtain wall partitions, bridge and highway construction, parking decks, pre-cast assemblies, glazing applications, and panel systems.
For information regarding Demand Products closed cell backer rod compatibility with specific sealants, please contact the sealant manufacturer.