3/8 In. X 100 Ft. Gray Closed Cell Backer Rod For Caulking

Overview:
This Sashco 3/8 In. x 100 Ft. Gray Backer Rod is an essential tool for achieving professional-grade caulking joints that stand the test of time. Designed to fill and insulate large caulk joints, this backer rod allows for optimal movement absorption, ensuring that your caulking adheres effectively without tearing or pulling away. Made from high-quality closed cell poly foam, this backer rod not only enhances the longevity of your caulking but also provides a minimum R value of 2.5 per inch, making it an excellent choice for energy efficiency.

Key Features:
- Diameter: 0.375 inches (3/8 In.)
- Length: 100 feet
- Color: Gray
- Material: Durable closed cell poly foam
- Minimum R value: 2.5 per inch
- Helps caulking absorb movement without tearing
- Extends the life and effectiveness of caulk
- Ideal for both indoor and outdoor applications
- Lightweight and easy to handle

Use Cases:
This backer rod is perfect for sealing gaps around windows, doors, and other areas where caulking is needed. It is especially useful in construction and renovation projects, providing a reliable filler that enhances the performance of your caulking materials. Whether you are a professional contractor or a DIY enthusiast, the Sashco Backer Rod is a must-have for ensuring long-lasting, effective seals.