The Professional Backer Rod Solution: This high-density backer rod is the professional's choice for creating perfect, long-lasting seals. It is IDEAL for filling and backing concrete expansion joints, driveway cracks, wall gaps, and perimeter joints before caulking, preventing sealant waste and ensuring a clean finish.
Premium EPDM Closed-Cell Foam:Made from superior EPDM rubber foam with a closed-cell structure, our rod is denser, more flexible, and far more durable than ordinary foam backer rods. It provides consistent compression recovery and will not crumble or degrade over time.
Waterproof & All-Weather Resistant: Engineered to be completely waterproof, weather-resistant, and temperature stable. It effectively blocks moisture, wind, and dust, and performs reliably in extreme high or low temperatures without shrinking or cracking.
Easy to Cut & Install: Extremely easy to use – simply cut to any desired length with scissors and press firmly into the gap. Its slight flexibility allows it to conform to uneven spaces, creating a solid, uniform backing for your sealant.
Versatile for Sealing & DIY Projects: A versatile solution for both sealing and crafting. Use it to seal sliding doors, windows, and cabinets, or for DIY projects like pipe insulation, protective bumpers, and craft designs.
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This EPDM Closed-Cell Backer Rod is a versatile sealing solution designed for a wide range of applications around your home or commercial property. Measuring 1/4 inch in diameter and 100 feet in length, this high-density rubber foam rod provides excellent support for caulking and sealant applications. The closed-cell EPDM construction offers superior compression resistance and durability, making it ideal for filling concrete expansion joints, driveway cracks, wall gaps, and spaces around windows and doors. As a caulk saver, it reduces the amount of sealant needed for deep joints while creating a proper backing surface for optimal adhesion. The weather-resistant properties help create an effective barrier against moisture, air infiltration, and temperature fluctuations. This backer rod compresses easily for installation into various gap sizes and maintains its shape over time, ensuring long-lasting performance in both interior and exterior sealing projects.