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Description
This 1/2 inch x 20 foot foam backer rod is designed to fill large gaps and joints before applying caulk or sealant. It helps control sealant depth, improves adhesion, and reduces the amount of caulk needed for a proper seal. Ideal for expansion joints, window and door gaps, siding joints, and concrete cracks, backer rod creates a professional, long-lasting seal when used with compatible sealants.
Specifications
Brand
M-D
Category
Concrete Parts & Accessories
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