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0.5-in x 20-ft Closed cell Backer Rod, Gray

Ratings & Reviews for M-D 0.5-in x 20-ft Closed cell Backer Rod, Gray

4.6
1022
Review
 4.6 out of 5
1024 Reviews


95% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The backer rod is an effective product for filling gaps and cracks before applying caulk or sealant. It is reported to be easy to use, flexible, and helps reduce the amount of caulk needed. The backer rod can be used around windows, doors, and other areas to prevent air drafts and provide insulation. It is also suitable for filling gaps in concrete, drywall, and other construction materials. The product is available in different sizes to accommodate various gap widths, making it a versatile solution for home improvement projects.

Customer review summary generated by AI, including incentivized reviews.
1024 Customer Reviews

Get the right size for crack you need to fill

Would Recommend

Works well to fill small cracks

May 15, 2026
From 0.625-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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Lightweight, easy to use

Would Recommend

Easy to use

May 14, 2026
Verified Purchaser
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Worked as expected.

Would Recommend

Product performed well, gave sealant a positive backing.

May 13, 2026
From 0.375-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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This product saves money.

Would Recommend

Expensive

May 11, 2026
From 0.375-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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Useful foam for gaps.

Would Recommend

Perfect fit, used for gaps between walls and cabinets

May 9, 2026
From 0.625-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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Job done

Would Recommend

Corner filler

May 9, 2026
Verified Purchaser
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Well worth it!

Would Recommend

Great product at a great price! They do the job!!

May 9, 2026
From 0.375-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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Well worth it!

Would Recommend

Great product at a great price! They do the job!!

May 9, 2026
Verified Purchaser
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As expected

Would Recommend

Performed as expected

May 6, 2026
From 0.375-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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As expected

Would Recommend

Performed as expected

May 6, 2026
From 0.625-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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As described

Would Recommend

Worked perfectly for the intended job

May 6, 2026
From 0.375-in x 20-ft Closed cell Backer Rod, Gray Verified Purchaser
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