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🔧 Seal Smart, Live Comfortable — The Ultimate Gap Solution
The M-D Building Products 20 ft Foam Backer Rod is a high-quality, waterproof gap filler designed for medium-sized joints. Made from durable rubber vinyl silicone, it provides a reliable base for caulking, improves insulation, and prevents drafts and dust infiltration. Easy to install and trim, it’s perfect for both indoor and outdoor use, ensuring long-lasting weather resistance and enhanced home comfort.
| ASIN | B000BQP1D4 |
| Best Sellers Rank | 695,986 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,269 in Weather Stripping |
| Brand | M-D Building Products |
| Colour | Black |
| Customer Reviews | 4.6 out of 5 stars 1,415 Reviews |
| Global Trade Identification Number | 00043374715064 |
| Included Components | 1 Foam Backer Rod Roll |
| Item Form | Strip |
| Item Type Name | M-D Building Products 71506 Backer Rod For Gaps and Joints, 5/8-by-20 Feet, Gray |
| Item Weight | 0.11 Pounds |
| Item form | Strip |
| Item weight | 0.11 Pounds |
| Manufacturer | M-D Building Products |
| Manufacturer Part Number | 71506 |
| Material | Rubber Vinyl Silicone |
| Model Number | MD Building - 71506 |
| Number of Items | 1 |
| Surface Recommendation | Door |
| Surface recommendation | Door |
| UPC | 043374715064 |
| Unit Count | 20.0 meter |
| Water Resistance Level | Waterproof |
| Water resistance level | Waterproof |
N**M
Perfect ……
Recommended for purpose and was perfect
Y**E
it Works
Good
M**L
good quality, good service
I ended up ordering the wrong size for my project and had to return. However, the backer rod seems to be made of high-quality foam, and it feels dense and durable. It has a nice, consistent texture that should be great for filling gaps and joints. I can't speak to how well it works in the long term, but it appears sturdy and like it would do the job as intended. While I didn't end up using the backer rod, Amazon's return service made the process incredibly easy and the refund was instant.
C**A
Good product
Works very well for what I need.
M**S
Worked really well.
Worked really well. Used it in a space over an entrance door. Applied caulking over the top with a putty knife. Perfect result.
M**Y
Great price.
Works great!
Trustpilot
1 month ago
1 day ago