



🛡️ Seal Smart, Seal Strong — The Pro’s Choice for Ultimate HVAC & Plumbing Confidence
RectorSeal Duct Seal 81880 is a premium gray, putty-like compound designed for professional-grade sealing in HVAC, plumbing, and metal fabrication. It offers a reusable, non-toxic, and asbestos-free formula that adheres to most clean, dry surfaces, creating a durable air and water-tight seal resistant to water, alcohol, and mild acids. Easy to apply by hand across a wide temperature range, it’s paintable immediately without bleed-through, making it the go-to sealant for tradesmen demanding reliability and versatility.

| Material | Putty |
| Brand | Rectorseal |
| Style | 1 lb |
| Item dimensions L x W x H | 6.5 x 3 x 3 inches |
| Water Resistance Level | Water Resistant |
| Item Form | Putty |
| UPC | 021449818803 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00021449818803 |
| Number of Items | 1 |
| Color | Gray |
| Surface Recommendation | Adheres to most clean dry surfaces |
| Manufacturer | The Rectorseal Corporation |
| Part Number | 81880 |
| Item Weight | 15.8 ounces |
| Product Dimensions | 6.5 x 3 x 3 inches |
| Item model number | 81880 |
| Size | 1 Pound (Pack of 1) |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Special Features | Non-toxic |
| Included Components | Duct Seal Compound |
| Batteries Included? | No |
| Batteries Required? | No |
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