🛡️ Seal smart, save energy, and never let a draft win!
The M-D Building Products Versatile Gray Foam Backer Rod is a 10-foot, 0.38-inch thick, weather-resistant foam designed to fill and seal medium gaps in concrete, expansion joints, and cracks. Its easy-to-install, trim-to-fit design ensures a durable, airtight seal that enhances insulation and protects against drafts and moisture, making it an essential caulk saver for both indoor and outdoor weatherproofing projects.
| Item Thickness | 0.38 Inches |
| Item Dimensions L x W | 5.2"L x 5.2"W |
| Recommended Uses For Product | weatherproofing gaps and joints in buildings |
| Color | Gray |
| Material Type | Plastic |
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