Backer Rod - Standard


Standard Backer Rod is an ideal non-absorbent compressible backup material inserted into a joint to control sealant depth, create a backstop to allow proper sealant tooling, allows proper sealant of the joint surfaces, yields a proper bond between the back-up material and the sealant. It can also be used as a temporary joint seal.

  • Commonly used for glazing operations, window and door applications, expansion joints, curtain wall joints, partitions, log construction or pavement joints.
  • Standard Backer Rod is an extruded round, closed cell, low density polyethylene foam material with a skin-like outer texture. It is highly flexible and compressible for easy installation.
  • This material is compatible with butyl, polysulfide, acrylic, polyurethane, silicone and most other cold sealants.


ASTM D1622
ASTM D1621
ASTM C5090


Available from 1/4" DIA to 6" DIA

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