Ratings & Reviews for M-D 0.625-in x 20-ft Closed cell Backer Rod, Gray

What Customers Are Saying

Customers overwhelmingly praise this backer rod for effectively preparing gaps before caulking, with most reporting it saves sealant, reduces mess, and creates durable, long-lasting seals around windows, doors, and flooring. Reviewers highlight its ease of use—easy to cut, compress into tight spaces, and hold in place through friction—making it versatile for driveway cracks, pool edges, and laminate perimeters. Many note it stops cold drafts and improves home insulation. Customers commend its quality and value, with strong loyalty evident. A few mention slightly smaller diameter than expected, but overall performance feedback is consistently positive.