5/8 In. X 20 Ft. Gray Backer Rod

Introducing the Gray backer rod, a 5/8-inch diameter, 20-foot long gap filler designed to simplify large-gap sealing. Crafted from durable poly foam, it provides a stable backing for caulks and sealants, helping to produce smooth, even beads. Built to withstand job-site demands, this rod remains flexible over time, offering dependable performance for both professionals and DIY enthusiasts.

Benefits Paragraph: This backer rod creates a solid base for sealants, reducing bead compression and waste. It enables cleaner installations in larger openings, speeds up job completion, and contributes to long-lasting, moisture-resistant joints across concrete, masonry, and siding projects.

• 5/8-inch diameter ensures a snug fit for standard caulk joints and consistent sealant profiles, improving overall reliability.
• 20-foot length provides ample material for multiple openings, reducing reorders and keeping projects on schedule.
• Neutral gray color blends with concrete, siding, and masonry for a discreet, tidy joint appearance.
• Poly foam composition offers flexible, memory-friendly support suitable for long-lasting backer rod in expansion joints.
• Moisture-resistant design blocks moisture intrusion behind sealants, protecting foundations, doors, windows, and other joints.

Final Thoughts: Whether addressing cement cracks, window and door gaps, or siding joints, this gray backer rod delivers reliable backing for high-quality sealants. Its 5/8-inch diameter and 20-foot length provide practical, ready-to-use coverage, while the moisture-resistant foam ensures durable performance. Choose it for professional results and material savings on every project.