


🔧 Seal smarter, not harder — the tradesman’s secret weapon!
The 81881 5-Pound Duct Seal Compound by Rectorseal is a versatile, gray, putty-like sealant designed for HVAC, plumbing, and electrical applications. 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. Easy to hand-mold and apply across a broad temperature range, it resists corrosion and skin irritation, and can be painted immediately after application for a flawless finish.

| Manufacturer | The Rectorseal Corporation |
| Part number | 81881 |
| Item Weight | 454 g |
| Product Dimensions | 11.43 x 25.4 x 3.81 cm; 453.59 g |
| Item model number | 81881 |
| Color | Gray |
| Style | 5 lb |
| Material | Rubber |
| Item Package Quantity | 1 |
| Included components | Duct Seal |
| Batteries Included? | No |
| Batteries Required? | No |
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