M-D 71506 5/8" X 20' Backer Rod For Gaps & Joints

Product description

• NONABSORBENT FOAM DESIGN: Closed-cell polyethylene foam backer rod resists water absorption, making it ideal for waterproof sealing in wall and tile applications. Maintains durability over time.
• EASY GAP FILLER: Flexible backing rod is perfect for filling gaps larger than 1/2 in x 1/2 in. Easily trimmed to size with scissors for custom fit in expansion joints and baseboard gaps.
• PREVENTS THREE-POINT BONDING: Designed to prevent three-point bonding during caulking, ensuring a proper seal and reducing the risk of cracking or caulk failure in concrete or wall joints.
• MULTI-SURFACE COMPATIBILITY: Suitable for use as a concrete backer rod, foam gap filler, or expansion joint filler in pavement cracks, wall joints, tile, and foundation repairs.
• LIGHTWEIGHT AND VERSATILE: Weighs only 0.1 lb for easy handling and installation. Ideal for both DIY and professional projects requiring a reliable draught ex floorboard gap filler.