Our 1/4 inch backer rod, crafted from high-quality foam rubber, is the perfect solution for concrete expansion joint filler and caulking needs. Measuring 100 feet in length, it's easily customizable to fit any project size, ensuring no waste.

Backer rod is an ideal non-absorbent compressible backup material inserted into a joint to control sealant depth. This creates a backstop to allow proper sealant tooling and proper sealant of the joint surfaces. Backer rod can also be used as a temporary joint seal.

Backer Rod is an easy to compress rope-like celled foam. It is inserted into a clean joint at the required depth before caulking/sealing. Backer Rod creates an even depth and supports the sealant / caulk allowing it to form the proper shape (about 2x as wide as deep).

The 1/4" backer rods are ideal for glazing installation, pre-cast units, expansion joints, and much more. The small-quantity backer rods for gaps and joints are compatible with cold-applied sealants like urethane, silicone, and latex.

Nomaco HBR® 1/4" diameter closed-cell polyethylene foam backer rod is used in concrete construction. HBR® acts as a barrier, limits the depth of cold-applied sealant required and prevents excessive sealant use.

Our 1/4 inch backer rod, crafted from high-quality foam rubber, is the perfect solution for concrete expansion joint filler and caulking needs. Measuring 100 feet in length, it's easily customizable to fit any project size, ensuring no waste.

Backer Rods: The W. R. MEADOWS Selection of Products. Made from foam material, backer rods are small rods that are typically used as a method of filling joints and fissures, as well as other sorts of crevices, that occur in the construction of structures.

TITAN FOAM™ is a soft, grey, non-gassing, pliable backer rod, with an impervious outer skin, used as a backing for elastomeric and other cold applied sealants. TITAN FOAM™ controls the depth of the applied sealants and ensures cross-sectional hour-glass configuration.

Compatible with with butyl, polysulfide, acrylic, polyurethane, silicone and most cold sealants. Helps prevent clogging of expansion joint with mortar and is the accepted material for brick and block expansion joint fillers.

Long Enough: you will receive 1 roll of backer rod 1/4 inch for door frame measuring about 1/4 inch x 100 feet, which can be easily trimmed to a suitable size with scissors (not included) according to your actual needs, enough length to meet your daily needs and replacement

Round, firm, resilient, polyethylene extruded closed celled foam with a water resistant outer skin. Color may be charcoal or gray, and is NOT SELECTABLE. Meets ASTM C509 / D1667. Provides a Controlled Depth for Sealants. SIZE: 1/4 inch product is oversized slightly, and can be up to 0.330 inch. It compresses up to 60%.

Choose from our selection of 1 1/4" diameter backer rods in a wide range of styles and sizes. Same and Next Day Delivery.

Polyethylene Foam Joint Backer Rod. SikaSeal®-414 Backer Rod is a non absorbent, compressible grey closed cell polyethylene foam backing material. Quick and easy to apply. Reduces sealant usage. Improves sealant performance by easily achieving the correct joint dimensions. Flexible. Won’t bubble or blister. ...

Round poly foam joint filler and backing for sealants. Provides controlled depth for sealants. It compresses up to 60%. Compresses easily for accommodating joints of varying widths. Does not stick to sealants. Exceeds ASTM standards for bond breaker materials. Consists of closed cells on the inside with a skin-like outer texture.

Standard Backer Rod is an extruded closed cell, round polyethylene foam material with skin-like texture. Compatible with with butyl, polysulfide, acrylic, polyurethane, silicone and most cold sealants. Helps prevent clogging of expansion joint with mortar and is the accepted material for brick and block expansion joint fillers.