Backer Rod 1/4 Inch, Caulk Saver Foam Backing Rod for Concrete Expansion Joints, Weather Strip Seal Filler Rope, Rubber Foam Seal for Gaps and Joints Concrete Filling (1/4 Inch x 16.4 Feet)

• 1/4 Inch x 16.4 Ft Foam Backer Rod: Provides a 16.4-foot roll of 1/4-inch diameter EPDM foam backing rod. Use for filling gaps and joints before caulking to save sealant and improve adhesion.
• EPDM Rubber Construction: Made from high-quality EPDM rubber, this backer rod is non-absorbent and weather-resistant. Unlike standard foams, it resists rot and degradation for long-lasting performance in various climates.
• Compressible Closed-Cell Foam: The closed-cell foam structure compresses easily into of different sizes. It springs back to create a tight seal, providing solid backing for caulk and preventing three-point adhesion.
• Simple Cut-and-Press Installation: Cut to any length with scissors or a utility knife. Press the foam rope into gaps—no adhesive required. The soft yet firm material stays in place during caulking applications.
• Multiple Uses: Suitable for sealing expansion joints in concrete driveways, sidewalks, walls, windows, doors, and foundations. Also works for DIY crafts, protecting dog ears, and making ring holders. For indoor and outdoor use.

Specification Product Name: 1/4-inch Foam Backer Rod for Gaps Material: Rubber Color: Gray Product Size: 1/4 Inch X 16.4 Feet Weight: 115 (g) Package List: 5 meters of foam backing strip for seams Need to seal and gaps before caulking? This 1/4-inch x 16.4 ft EPDM foam backer rod provides a non-absorbent backing that saves caulk and prevents three-point adhesion. Flexible and easy to cut, it fits tightly into expansion joints, window frames, and concrete cracks. A reliable choice for DIYers and professionals alike.