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Insulation and Ducting
Backer rods
Backer rods are flexible, closed-cell foam fillers used to support sealants, ensuring proper joint depth, improved adhesion, and long-lasting sealing performance.
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Product Code / Slug
backer-rods
Category
Insulation and Ducting
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4 images
Featured Status
Standard Product
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Backer rods are essential components in construction and sealing applications, designed to fill gaps and joints before applying sealants. Made from closed-cell polyethylene foam, these rods provide a stable backing that helps control sealant depth and improves overall joint performance.
By acting as a bond breaker, backer rods prevent three-sided adhesion, allowing sealants to expand and contract effectively without cracking. This enhances durability and extends the lifespan of sealed joints. Their compressible structure makes them easy to install, fitting snugly into gaps of various sizes.
Commonly used in expansion joints, window and door installations, and concrete construction, backer rods are ideal for both residential and commercial projects. They also help reduce sealant consumption, making them a cost-effective solution for professional sealing applications.
🔹 Key Features
Provides a stable base for sealants
Ensures proper sealant depth and performance
Prevents three-sided adhesion for flexibility
Compressible and easy to install
Reduces sealant usage and cost
Suitable for various joint and gap applications
🔹 Product Specifications
Material:
Closed-Cell Polyethylene Foam
Dimensions:
Diameter Range: 1/4” to 2”
Length: Up to 6 feet
Applications:
Expansion joints
Window and door installations
Concrete and masonry sealing
Construction and industrial sealing projects
By acting as a bond breaker, backer rods prevent three-sided adhesion, allowing sealants to expand and contract effectively without cracking. This enhances durability and extends the lifespan of sealed joints. Their compressible structure makes them easy to install, fitting snugly into gaps of various sizes.
Commonly used in expansion joints, window and door installations, and concrete construction, backer rods are ideal for both residential and commercial projects. They also help reduce sealant consumption, making them a cost-effective solution for professional sealing applications.
🔹 Key Features
Provides a stable base for sealants
Ensures proper sealant depth and performance
Prevents three-sided adhesion for flexibility
Compressible and easy to install
Reduces sealant usage and cost
Suitable for various joint and gap applications
🔹 Product Specifications
Material:
Closed-Cell Polyethylene Foam
Dimensions:
Diameter Range: 1/4” to 2”
Length: Up to 6 feet
Applications:
Expansion joints
Window and door installations
Concrete and masonry sealing
Construction and industrial sealing projects