Red Devil 0841DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 1 Gallon, Gray
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Red Devil 0841DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant, 1 Gallon, Gray

4.4/5
Product ID: 303805407
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Details

  • Material
    Silicone
  • Brand
    Red Devil
  • Item weight
    5.67 kg
  • Item dimensions L x W x H
    17.8 x 17.8 x
  • Compatible material
    Plastic
🌿Fiber reinforced water-based formula
🛠️UL 181 a-m & b-m certified
🇺🇸Proudly made in the USA

Description

🔧 Seal smart, seal strong — the pro’s choice for flawless HVAC performance!

  • MADE IN THE USA - Support local manufacturing with a trusted, high-quality product built for performance.
  • VERSATILE APPLICATION - Perfect for all HVAC duct types, providing a reliable seal that lasts through temperature changes.
  • GENEROUS 1 GALLON SIZE - Ample volume for professional projects or multiple repairs without constant reordering.
  • CERTIFIED HVAC CONFIDENCE - Meets UL 181 a-m & b-m standards for airtight, code-compliant duct sealing.
  • ECO FRIENDLY FIBER REINFORCEMENT - Water-based, fiber-reinforced sealant ensures durable, flexible, and safe application indoors and outdoors.

The Red Devil 0841DX F-Seal is a 1-gallon, fiber-reinforced, water-based duct sealant certified to UL 181 a-m & b-m standards. Designed for all HVAC duct types, it offers a durable, flexible seal suitable for both interior and exterior use. Made in the USA, this gray silicone-based sealant combines professional-grade performance with eco-conscious formulation.

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Specifications

ManufacturerRed Devil
Part number0841DX
Item Weight5.67 Kilograms
Product Dimensions17.78 x 17.78 x 20.32 cm; 5.67 kg
Item model number0841DX
Size1 Gallon
ColorGray
Style1 - Pack
FinishBrushed
MaterialSilicone
ShapeRectangular
Power source typeHand_powered
Item Package Quantity1
Included componentsDuct Sealant
Batteries Required?No

Have a Question? See What Others Asked

Is the "F" in the bucket like a liquid (brushable) or more like a paste?
I'm redoing all the flex ductwork (insulated kind) in a crawl space. should i use the d our f sealant ?
Is this safe to use and will it work on gas dryer duct work joints (inside the fittings and outside)?
How long do I need to wait before turning on the A/C after application?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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ÂŁ97.56

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Red Devil 0841dx F Seal 181 Fiber Reinforced Water Based | Desertcart GB