Top 10 Best Duct Mastic [2022]

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You can trust our selection for Duct Mastic Reviews. Because We have worked hard studying and analyzing 40231 reviews for Duct Mastic and rating them. It was a difficult job to list only ten products for Duct Mastic where thousands of them available online. I hope it will help you to take final decision for Best Duct Mastic.

Best Duct Mastic
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NoProductScoreAction
1#7 Mastic Premium Air Duct Sealant one Gallon9.6Check Price
2Shurtape PC 858CA Cloth Waterproof HVAC Duct Tape9.6Check Price
3DIVERSITECH 800-009 Airlock 181 Fiber-Reinforced Water Based Duct Sealant Mastic 1 Gallon9.4Check Price
4Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant9.2Check Price
5Red Devil 0841DS RD-DS 181 Acrylic Latex Duct Sealant9Check Price
6No. 7 Mastic Premium Air Duct Sealing Kit9Check Price
7Red Devil 0846DS RD-DS 181 Acrylic Latex Duct Sealant9Check Price
8Rolled Mastic Duct Sealants Foils 3'' X1008.8Check Price
9Red Devil 0841DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant8.2Check Price
10Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2" x 100'8.2Check Price

Comparison Chart for Best Duct Mastic

We’ve scanned 40231 reviews for you. If you are looking for the Duct Mastic than this review article may help you.

Comparison Chart of Top 10 Duct Mastic

Table Of Content:

1. #7 Mastic Premium Air Duct Sealant one Gallon

  • 7 Mastic Low to High Velocity Air Duct Sealant. Color: Gray
  • Premium Grade Duct Mastic That Remains Flexible & Saves Energy.
  • UV & Weather Resistant, Water-Borne, & Non-Flammable.
  • Easily Applied By Brush, Trowel, Putty Knife, or Palm.
  • Save Energy – Seal Your Air Ducts & Crawl Spaces.

2. Shurtape PC 858CA Cloth Waterproof HVAC Duct Tape

  • Printed HVAC 14 mil waterproof duct tape, CEC Approved, 48mm x 55 M, Silver Metal Printed,,
  • UL 181B-FX Listed – clearly printed on the tape for quick identification
  • PC 858 is California Energy Commission (CEC) Approved
  • High holding power and easy to tear
  • Superior shear strength and adhesion to stainless steel and polyethylene

3. DIVERSITECH 800-009 Airlock 181 Fiber-Reinforced Water Based Duct Sealant Mastic 1 Gallon

  • Airlock 181 fiber-reinforced water based duct sealant mastic 1 gallon
  • Model-800-009
  • This is manufactured in United States

4. Red Devil 0846DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant

  • High quality, fiber reinforced
  • UL 181 a-m & b-m certified
  • Can be used on all types of HVAC ductwork
  • Seals High, Medium, and Low-Pressure HVAC Duct Systems
  • Interior/exterior

5. Red Devil 0841DS RD-DS 181 Acrylic Latex Duct Sealant

  • PERMANENTLY FLEXIBLE: Acrylic latex formula provides excellent elasticity and water resistance
  • INTERIOR / EXTERIOR USE: Can be used either inside or outside the home
  • STRONG ADHESIVE GRIP: Provides a tough bond on metal to metal connections
  • NON FLAMMABLE: Safe to use in enclosed areas
  • MOLD & MILDEW RESISTANT: Cured sealant will not discolor over time

6. No. 7 Mastic Premium Air Duct Sealing Kit

  • Kit Includes: No. 7 Mastic (1 can 915ml), 2 inch Mastic Brush (1 ea.),
  • Can Opener (1 ea.), LED Flashlight with batteries (1 ea.),
  • Red Shop Towel (1 ea.), Black Burlap Bag (1 ea.)
  • RCD Corporation No.
  • Water Borne, Low Odor, Weather Resistant, Non-Flammable

7. Red Devil 0846DS RD-DS 181 Acrylic Latex Duct Sealant

  • Permanently flexible
  • Paintable
  • Strong adhesive grip
  • Non-flammable
  • Excellent elasticity

8. Rolled Mastic Duct Sealants Foils 3” X100

  • Package Dimensions: 18.034 cms (L) x 17.272 cms (W) x 18.034 cms (H)
  • Product Type: Tools
  • Package Quantity: 1
  • Package Weight: 4.03 lbs

9. Red Devil 0841DX F-Seal 181 Fiber Reinforced Water Based Duct Sealant

  • High quality, fiber reinforced
  • UL 181 a-m & b-m certified
  • Can be used on all types of HVAC ductwork
  • Mildew resistant
  • Interior/exterior

10. Hardcast 304099 Foil-Grip 1402 Mastic Duct Sealant 2″ x 100′

  • Foil-grip 1402 is a pressure sensitive, 40-year cycle, duct joint and general purpose rolled sealant
  • It provides an instant water resistant grip to most surfaces including sheet metal, duct board, flex board, PVC coated duct, and duct wrap vapor Barriers.
  • Foil-grip 1402 is suitable for subgrade application on PVC coated duct
  • Printed; size: 2″ X 100′; application: indoor/outdoor
  • Instant adhesion

How To Choose The Best Duct Mastic

Does the thought of finding a great Duct Mastic stress you out? Has your mind been juggling between choices when it comes to buying Duct Mastic in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Duct Mastic for themselves. We understand the stress associated with the buying process!

Since you’re here, you are obviously curious about Duct Mastic. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.

There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.

But that’s not always easy, right? That's why we've taken time to compile a list of the best Duct Mastic in today's market, on your behalf, so that there will be no more worries for you.

How did we come up with the list, you ask? How did we create this buying guide?

  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Duct Mastic currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-

  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.


Top Duct Mastic brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.

  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Duct Mastic based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Duct Mastic before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Duct Mastic they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Duct Mastic, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Duct Mastic before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Duct Mastic will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Duct Mastic if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Duct Mastic on the market, the products that got mostly negative ratings get filtered and discarded.
These are the criteria we have chosen our Duct Mastic on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.

Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Duct Mastic featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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