Mold, Forms, Accessories

QUIKRETE® Backer Rod

QUIKRETE® Backer Rod (No. 691741) is a rod Foam rope used to partially fill large cracks, gaps and joints before applying sealant. Use for horizontal and vertical applications.

Used For:

  • Expansion joints.
  • Curtain wall joints.
  • Partitions.
  • Log construction.
  • Pavement joints.
  • Pre-cast units.


  • QUIKRETE® Backer Rod can be used as a temporary seal, or inserted into a joint to control sealant depth.
  • To create a backstop.
  • Allow proper sealant tooling.
  • Allow proper sealant wetting of the joint surfaces.

Available In:

  • 1 piece 3/4″ dia. X 20′