Enhance your sealing projects with our 3/8″ x 20′ Caulk Backer Rod, designed to provide a reliable and effective backing for caulking applications. This flexible foam rod is perfect for filling gaps and joints, ensuring a smooth and even caulk application that adheres properly and lasts longer. Ideal for both indoor and outdoor use, it helps to prevent cracking and improves the overall finish of your sealing job.

• Made from high-quality, closed-cell foam for durability and moisture resistance.
• Easy to install and cut to size, making it versatile for various applications.
• Reduces the amount of caulk needed, saving you time and money.
• Perfect for use in windows, doors, and other joints to create a professional seal.

(3/8″x20′ Caulk Back Rod 6289227 71464)