M-D Building Products 71551 250 ft. Gray Foam Backer Rod for Medium 1/2 in. Gaps and Joints
M-D Building Products 71551 250 ft. Gray Foam Backer Rod for Medium 1/2 in. Gaps and Joints
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M-D Building Products

M-D Building Products 71551 250 ft. Gray Foam Backer Rod for Medium 1/2 in. Gaps and Joints

4.6 stars out of 32 reviews
(4.6)|
32 ratings
M-D Building Products 71551 250 ft. Gray Foam Backer Rod for Medium 1/2 in. Gaps and JointsM D Building Products 71551 250 ft Gray Foam Backer Rod for Medium 1 2 in Gaps and JointsM D Building Products 38384 20 ft Gray Foam Backer Rod for Ex Large 3 4 in Gaps and JointsM D Building Products 19101 15 ft Gray Foam Backer Rod for Ex Large 3 4 in Gaps and JointsM D Building Products 71506 20 ft Gray Foam Backer Rod for Large 5 8 in Gaps and JointsM D Building Products 71550 350 ft Gray Foam Backer Rod for Small 3 8 in Gaps and JointsM D Building Products 19100 10 ft Gray Foam Backer Rod for XX Large 1 in Gaps and JointsM D Building Products 1 2 in Gray Foam Backer RodM D Building Products 71552 150 ft Gray Foam Backer Rod for Large 5 8 in Gaps and JointsM D Building Products 71464 20 ft Gray Foam Backer Rod for Small 3 8 in Gaps and Joints
Size:250 ft. for 1/2 in. Gaps
10', Now $8.59, was $9.99
$9.99
15 ft. for 3/4 in. Gaps, Now $11.57, was $14.99
$14.99
20 ft. for 1/2 in. Gaps, $9.80
20 ft. for 3/4 in. Gaps, $17.32
20 ft. for 3/8 in. Gaps, Now $7.83, was $12.99
$12.99
20 ft. for 5/8 in. Gaps, $8.99
150 ft. for 5/8 in. Gaps, $38.74
selected, 250 ft. for 1/2 in. Gaps, Now $43.83, was $54.94
$54.94
350 ft. for 3/8 in. Gaps, $65.83

Key item features

  • Durable Material: Constructed from closed-cell foam, ensuring resilience and effective gap filling.
  • Efficient Caulk Base: Designed to provide a foundational base for caulking, significantly reducing caulk waste in larger, deeper gaps and joints.
  • Generous Dimensions: Measures 250 feet in length and 1/2 inch in width, suitable for medium-sized gaps.
  • Versatile Application: Suitable for both indoor and outdoor use, offering flexibility for various projects.
  • Simple Customization: Easily cut to the desired length using standard scissors for precise fitting.
  • Protective Barrier: Effectively fills gaps to help protect against drafts, moisture, dust, and insects.
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Current price is Now $43.83
You save $11.11
was $54.94
Price when purchased online
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Columbus, 43215
Arrives between Feb 20 - Feb 23
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Shipping fee $9.99
Sold and shipped by bestbrandsupply
4.322314049586777 stars out of 5, based on 121 seller reviews(4.3)
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4.6 out of 5 stars
stars32 ratings23 reviews
How item rating is calculated
  1. 5 stars72% (23)
  2. 4 stars22% (7)
  3. 3 stars3% (1)
  4. 2 stars0% (0)
  5. 1 star3% (1)

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Showing 1-3 of 23 reviews

Feb 9, 2026
Sheri
Item details
Size: 10'
Sold and shipped bySupply the Home
5 out of 5 stars review

Verified Purchase

Good product. would recommend.

I used the item for a different use/project than its original application. Although, I've actually used the Backer Rod for the reason it's made. The shipping could have been quicker. thx

Helpful?5G8JV0UA8WOE40653321
Jul 24, 2025
Carl
Top Reviewer
Item details
Size: 20 ft. for 5/8 in. Gaps
Sold and shipped byReliable Home Products
5 out of 5 stars review

Verified Purchase

Color matched the carpet perfectly. There was enough to fit both doorways.

Incentivized Review
Helpful?5G8JV0UA8WOE40653321
May 25, 2025
Kimberly
Top Reviewer
Item details
Size: 20 ft. for 5/8 in. Gaps
Sold and shipped byReliable Home Products
5 out of 5 stars review

Verified Purchase

we are using to put in cracks to keep cockroaches outside. seems to work pretty well so far. great product for the price.

Incentivized Review
Helpful?5G8JV0UA8WOE40653321