






🔧 Seal smart, save energy, and stay ahead of the curve!
Red Devil 0841DX F-Seal 181 is a premium fiber-reinforced, water-based duct sealant designed for superior HVAC sealing. UL 181 A-M & B-M certified, it works on metal, fiberglass, and flexible ducts. Its weather-resistant, fast-drying, low-VOC formula exceeds SMACNA standards, ensuring durable, leak-free performance indoors and outdoors. Made in the USA, it offers excellent adhesion, flexibility, and environmental safety compliance.




| Material | Acrylic |
| Brand | Red Devil |
| Style | 1 - Pack |
| Item Weight | 16 ounces |
| Item dimensions L x W x H | 7 x 7 x 8 inches |
| Water Resistance Level | Water Resistant |
| Item Form | Paste |
| UPC | 075339003466 |
| Unit Count | 128.0 Fluid Ounces |
| Global Trade Identification Number | 00075339003466 |
| Number of Items | 1 |
| Color | Gray |
| Surface Recommendation | Metal |
| Manufacturer | Red Devil |
| Part Number | 0841DX |
| Item Weight | 1 pounds |
| Product Dimensions | 7 x 7 x 8 inches |
| Item model number | 0841DX |
| Size | 1 Gallon |
| Finish | Brushed |
| Pattern | Sealant |
| Shape | Rectangular |
| Power Source | Hand_powered |
| Item Package Quantity | 1 |
| Included Components | Duct Sealant |
| Batteries Required? | No |
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