Enhance your sealing projects with the Caulk Backer Rod 5/8 in., designed to provide a reliable and efficient solution for filling gaps and cracks before applying caulk. This versatile backer rod helps ensure a smooth and even caulk application, improving adhesion and flexibility while reducing the amount of caulk needed. Ideal for both indoor and outdoor use, its perfect for windows, doors, and other joints.

• Made from high-quality, closed-cell foam for durability and moisture resistance.
• Easy to install and cut to size, making it suitable for various applications.
• Helps to control the depth of the caulk, ensuring optimal performance.
• Reduces the risk of cracking and shrinking in your caulking projects.

(CAULK BACKER ROD 5/8IN X 0085340 C23H)