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M-D Building Products - Versatile Gray Foam Backer Rod - Essential Caulk Saver for Sealing Concrete Gaps, Expansion Joints, and Crack Filling, 3/8 by 20 Feet, 71464
Product ID: 270390717
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📏3/8-inch diameter precision
🛠️20 feet length per rod
🇺🇸Made in USA quality
Frequently Bought Together
Description
🛠️ Seal Smart, Save Big — The Ultimate Caulk Companion!
- CAULK SAVER PRO - Provides a stable, sound surface that maximizes caulking efficiency and durability.
- MULTIPURPOSE USE - Ideal for driveways, sidewalks, and any concrete sealing project demanding precision.
- PERFECT GAP FILLER - Seamlessly fills large concrete gaps and expansion joints to block drafts and moisture.
- CUSTOMIZABLE LENGTH - Easily trimmed with scissors for a perfect fit every time—no waste, no hassle.
- PREMIUM US MADE MATERIAL - Crafted from closed-cell polyethylene foam ensuring non-absorbent, long-lasting performance.
The M-D Building Products Versatile Gray Foam Backer Rod is a 3/8-inch diameter, 20-foot long closed-cell polyethylene foam rod designed to fill and seal large concrete gaps and expansion joints. Made in the USA, it provides a reliable, non-absorbent backing that enhances caulking performance, prevents drafts, and is easily trimmed for custom applications in driveways, sidewalks, and other construction projects.
Specifications
| Manufacturer | M-D Building Products |
| Part number | 71464 |
| Item Weight | 17 g |
| Product Dimensions | 35.56 x 20.32 x 5.08 cm; 17.01 g |
| Item model number | 71464 |
| Size | 20 Ft. |
| Color | Black |
| Style | Backer Rod |
| Material | Rubber |
| Pattern | Solid |
| Shape | Round |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Measurement System | US |
| Specification met | Non-absorbent, closed-cell polyethylene pre-caulking material |
| Included components | MD Building - 71464 - 2pk |
| Batteries Included? | No |
| Batteries Required? | No |
Have a Question? See What Others Asked
how many feet come in a 3 pk?
no 1/4" one? either 20 or 50ft?
can the backer rod be sliced for smaller openings?
Can his be used for exterior windows before caulking?
Common Questions
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