3/8 In. X 20 Ft. Gray Polyethylene Caulk Backer Rod For Gaps And Openings

Introducing the M-D 3/8 In. x 20 Ft. Gray Backer Rod, now available at Klem's in Spencer, MA. This versatile and essential pre-caulking material is designed to help you achieve professional results in your sealing projects. Made from nonabsorbent, closed-cell polyethylene, this backer rod is perfect for filling gaps and openings larger than 1/2 inch by 1/2 inch, ensuring a smooth and effective caulking application. Whether you're a seasoned contractor or a DIY enthusiast in Spencer, this backer rod is a must-have for your toolkit.

• Diameter: 0.375 inches, providing the ideal size for various applications.


• Length: 20 feet, allowing you to tackle multiple projects without running out.


• Material: Constructed from durable polyethylene, ensuring longevity and reliability.


• Color: Gray, blending seamlessly with most surfaces for a professional finish.


• Prevents 3-Point Bonding: This feature helps to ensure that your caulk adheres properly, preventing potential issues down the line.

Imagine using the M-D Backer Rod to fill gaps around windows and doors, effectively preventing drafts and moisture infiltration. This product is also ideal for use in pavement cracks, wall joints, and foundations, making it a versatile solution for both indoor and outdoor projects. By providing a solid surface for caulking, the backer rod enhances the overall effectiveness of your sealing efforts, ensuring that your home remains energy-efficient and protected from the elements.



In conclusion, the M-D 3/8 In. x 20 Ft. Gray Backer Rod is more than just a filler; it's an essential component for achieving high-quality caulking results. Don't compromise on your projects—ensure a professional finish by incorporating this backer rod into your sealing routine. Visit Klem's in Spencer, MA today to get your M-D Backer Rod and elevate your home improvement projects to the next level.