3531 Nevada Ave N
New Hope, MN 55427

Backer Rod

Polyethylene Backer Rod, Closed Cell, Non-Stick Skin. Price/Foot. (custom-cut items are non-returnable or cancellable; color could be gray or charcoal and is not selectable)

PRODUCT:

1 inch Diameter Polyethylene Backer Rod, Closed Cell, Non-Stick Skin. Price/Foot. (custom-cut items are non-returnable or cancellable; color could be gray or charcoal and is not selectable)

ORDERING NOTES:

  • Shipped in a continuous piece.

DESCRIPTION:

Round, firm, resilient, polyethylene extruded closed celled foam with a water resistant outer skin. Color may be charcoal or gray, and is NOT SELECTABLE. Provides controlled depth for sealants. Compresses up to 50% in smaller sizes and 30% in large sizes. Does not stick to sealants. Exceeds ASTM standards for bond breakering materials. No bond breaker is required. Very high moisture resistance. Will not absorb ground water. Compatible with all know types of sealants including butyl, polyurethane, silicones, tri-polyimer, polysulfide, acrylic, etc.

APPLICATIONS:

  • High moisture environments
  • Ground based expansion joints
  • General purpose sealant backing
  • Use together with self-leveling sealant
  • Highway joints
  • Parking garages
  • Around perimeters of door and window frames
  • Coping and glazing joints
  • Log Home chinking
  • Isolation joints

SIZING CLOSED CELL BACKER-ROD:

Select a backer-rod diameter that is approximately 25% larger than the width of the joint.

Joint Width Diameter
3/16" 1/4"
1/4" 3/8"
3/8" 1/2"
1/2" 5/8"
5/8" 3/4"
3/4" 1"
1" 1-1/4"
1-1/4" 1-1/2"
1-5/8 2"
2" 2-1/2"
2-1/2" 3"
3-1/2" 4"

Tech Sheet