M-D Building Products 71506 20 ft. Gray Foam Backer Rod for Large 5/8 in. Gaps and Joints
M-D Building Products 71506 20 ft. Gray Foam Backer Rod for Large 5/8 in. Gaps and Joints
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M-D Building Products

M-D Building Products 71506 20 ft. Gray Foam Backer Rod for Large 5/8 in. Gaps and Joints

M-D Building Products 71506 20 ft. Gray Foam Backer Rod for Large 5/8 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 38384 20 ft Gray Foam Backer Rod for Ex Large 3 4 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 19101 15 ft Gray Foam Backer Rod for Ex Large 3 4 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:20 ft. for 5/8 in. Gaps

Key item features

  • Closed-Cell Foam: Made of durable closed-cell foam for effective gap filling.
  • Reduces Caulk Waste: Designed to fill large cracks and joints, minimizing caulk usage.
  • Ample Length: Measures 20 ft. in length, providing sufficient material for various projects.
  • Specific Dimensions: Features a width of 5/8 in., ideal for larger gaps.
  • Gray Color: Comes in a neutral gray color to blend with most surfaces.
  • Customizable Length: Easily cut to the desired length using scissors for precise application.
  • Versatile Use: Suitable for both indoor and outdoor applications, enhancing home protection.
  • Multi-Purpose: Helps protect against drafts, moisture, dust, and insects by filling gaps effectively.
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Current price is $10.73
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  • Free 30-day returns

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Sold and shipped by Supply the Home
4.309484450873024 stars out of 5, based on 19358 seller reviews(4.3)
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4.6 out of 5 stars
stars36 ratings24 reviews
How item rating is calculated
  1. 5 stars75% (27)
  2. 4 stars19% (7)
  3. 3 stars3% (1)
  4. 2 stars0% (0)
  5. 1 star3% (1)

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Showing 1-3 of 24 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?5G8JV0UA8WOE23330242
May 4, 2026
Gary
Top Reviewer
Item details
Size: 20 ft. for 3/8 in. Gaps
Sold and shipped byReliable Home Products
5 out of 5 stars review

Verified Purchase

Product was easy to work with. Sealed the gap between the floor and the wall perfectly. It made it airtight and moisture proof.

Helpful?5G8JV0UA8WOE23330242
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?5G8JV0UA8WOE23330242