Small-Quantity Backer Rods (1/4", 3/8", 1/2", 5/8", 3/4")

Polyethylene backer rods are backup materials for construction joints and applications requiring sealant. Our small-quantity backer rods for gaps and joints are durable and water resistant. The 1/4" backer rods are ideal for glazing installation, pre-cast units, expansion joints, and much more. The small-quantity backer rods for gaps and joints are compatible with cold-applied sealants like urethane, silicone, and latex. We carry various options available in 1/4”, 3/8”, 1/2”, 5/8”, and 3/4". Purchase your backer rods today. COMPOSITION AND MATERIALS Our backer rod is a round, resilient, extruded closed cell polyethylene backer rod with a water resistant outer skin. It is compatible with most known cold applied sealants such as urethane, silicone, acrylic, butyl, polysulfides, latex, and chinking sealants. SPECIFIC USES Glazing installations Window and door applications Expansion joints Curtain wall joints Partitions Log construction Pavement joints and repairs Pre-cast units and copin