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💨 Seal smart, breathe easy — the pro’s choice for HVAC perfection!
Red Devil 0841DX F-Seal 181 is a premium fiber reinforced, water-based duct sealant designed for both indoor and outdoor HVAC applications. Certified to UL 181 a-m & b-m standards, it ensures airtight sealing on metal, fiberglass, and flexible ducts. With low VOC content and LEED EQ 4.1 compliance, it supports healthier environments while delivering durable, flexible adhesion. Proudly made in the USA, this 1-gallon gray sealant is the trusted solution for professional-grade HVAC sealing.
| ASIN | B01I7JVUO0 |
| Best Sellers Rank | #181,085 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #291 in Heating & Cooling Ducting Products |
| Brand | Red Devil |
| Brand Name | Red Devil |
| Color | Gray |
| Compatible Material | Plastic |
| Customer Reviews | 4.4 out of 5 stars 1,220 Reviews |
| Global Trade Identification Number | 00075339003466 |
| Included Components | Duct Sealant |
| Item Dimensions | 17.8 x 17.8 x 20.3 centimeters |
| Item Form | Paste |
| Item Type Name | Water Based Duct Sealant, 1 Gallon |
| Item Weight | 1 Pounds |
| Item dimensions L x W x H | 17.8 x 17.8 x 20.3 centimeters |
| Item height | 8 inches |
| Item weight | 1 Pounds |
| Manufacturer | Red Devil |
| Material | Silicone |
| Material Type | Silicone |
| Style | 1 - Pack |
| Style Name | 1 - Pack |
| Supported Standards | UL 181 a-m, UL 181 b-m |
| Surface Recommendation | Duct |
| UPC | 075339003466 |
| Unit Count | 128 Milliliters |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |
H**.
Works great
S**G
Good for all around applications
J**T
great buy
G**B
Easy to use, and a great product that does the job!
J**Y
Amazing!
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