M-d Gray Foam Backer Rod — 20 Ft For 1/2 In Gaps & Joints (medium)

Discover the reliability of a precise seal with the M-D Gray Foam Backer Rod, a 20-foot roll designed for medium 1/2 inch gaps and joints. This high-density foam strip creates a solid base for caulking, reducing waste in deep joints and helping you achieve a cleaner finish. The neutral gray shade blends with most façades and withstands indoor and outdoor use. Cut to length with scissors to fit your exact gap size.

[Benefits Paragraph]: By occupying the gap first, it prevents caulk from sinking and reduces waste, delivering a neater, longer-lasting seal. It also blocks drafts, moisture, dust, and insects, helping energy efficiency and indoor comfort. Suitable for use in both interior and exterior applications.

• Feature 1: 1/2 in gap compatibility — ideal for medium joints, providing a stable backing that keeps caulk bead uniform.
• Feature 2: Premium foam material — durable, compressible backer rod that resists crumbling and maintains shape under caulk pressure.
• Feature 3: 20 ft length — long roll reduces seams and simplifies installation.
• Feature 4: Indoor and outdoor versatility — weather-resistant foam suitable for exterior joints and interior frames.
• Feature 5: Easy to cut to length — scissors-friendly for a quick, precise fit.

[Dynamic Closing Heading]: Experience a solution that streamlines caulking projects and delivers durable, professional results. This backer rod enhances seal integrity, minimizes material waste, and supports lasting protection against the elements. Perfect for windows, doors, siding, and other gaps around the home, it offers reliable performance in varied conditions.