M-D Building Products 71480 Backer Rod

MD Building Backer Rod For Gaps & Joints, Gray, 20′ x 0.5″

• Easy to use
• The product is manufactured in china
• The product is 1/2″x20′ caulk back rod
• Caulk back rod

Caulk backer rod. For gaps & joints. Non-absorbant. Closed cell polyethylene. Pre-caulking material. Use before caulking to fill gaps & openings larger than 1/2 x 1/2 in. Prevents 3 point bonding.