Sakrete Backer Rod is an extruded round closed cell low density polyethylene foam backer rod with a skin-like outer texture.

Backer Rod

Sakrete Backer Rod is highly flexible and compressible for easy installations. It is a non-absorptive back up material that can be inserted into a joint to control sealant depth and to create a temporary seal.


  • Allows proper sealant tooling
  • Allows proper sealant wetting of the joint surfaces
  • Will yield a proper bond breaker between the backer rod and sealant

Commonly used in horizontal and vertical glazing installations for:

  • Windows and Doors
  • Expansion Joints
  • Curtain wall joints
  • Log Construction – behind chinking mortar
  • Pavement joints
  • Precast units and copings

Availability of product may vary by region.

Units/Pallet Size Product # UPC #
tbd 3/4" x 20' 65470008 7-64661-70008-1