1 In. X 50 Ft. Gray Backer Rod For Caulking And Insulation

Overview:
This Sashco Backer Rod is a high-quality, closed cell poly foam filler designed to create professional joints that last. Measuring 1 inch in diameter and 50 feet in length, this gray backer rod is perfect for filling and insulating large caulk joints. It allows caulking to absorb more movement, ensuring that your joints remain intact and effective over time. The unique design ensures that caulking adheres to the sides of the joint but not to the filler rope, allowing for optimal stretching and compressing without tearing or pulling away.

Key Features:
- Diameter: 1 inch
- Length: 50 feet
- Color: Gray
- Material: Closed cell poly foam
- Minimum R value: 2.5 per inch
- Ideal for creating durable caulking joints
- Helps to insulate and fill large gaps
- Extends the life and effectiveness of caulking
- Lightweight design for easy handling

Use Cases:
This backer rod is perfect for both professional contractors and DIY enthusiasts. Use it in construction projects, home repairs, or any application where you need to fill large gaps before applying caulk. It is especially useful in areas prone to movement, ensuring that your caulking remains flexible and effective over time.