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2.5 in. x 60 yd. 324A Premium Foil HVAC UL Listed Sealer Duct Tape

$23.97 /roll
  • Inspection ready for all class 1 duct systems
  • Permanent air-tight seals for an energy efficient HVAC system
  • Available in a 12 roll pro-pack offering
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Product Details

Professional results that a DIYer can be proud of begins with 324A Premium Foil HVAC UL Listed Tape by Nashua. This foil tape is UL coded approved for sealing class 1 rigid (181 A-P) or class 1 flexible (181B-FX) duct joints and connections. With a heavy-duty foil backing that is printed for easy inspection and an aggressive acrylic adhesive, Nashua 324A is the ideal choice for heating, ventilation and air conditioning installations that require a code-approved product. Nashua Tape. Trusted by professionals. DIY approved. Count on Nashua to get the job done right.
  • High performance acrylic adhesive provides an aggressive bond in extreme temperatures
  • Performs in all-weather applications from -25 to 325°F
  • Aluminum foil backing provides UV, moisture, mold and mildew resistance
  • UL 181A-P and UL181B-FX Listed
  • Low VOC content
  • Can contribute toward satisfying EQ credit 4.1 (low emitting materials) under LEED
  • Return Policy

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Specifications

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Questions & Answers

54Questions
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Q:I saw another question asking whether this tape could be used on a pellet stove exhaust pipe, and the answer was "yes". I used it for this purpose and it gives off a strong chemical odor from the adhesive. Is this tape really graded for this use?
by|Jan 18, 2023
1 Answer
Answer This Question

A:  I couldn’t say for certain without more information. It might be depending on where/what part of the exhaust you are putting it. The tape is rated for up to 325F but orange flames of a normal fire at like 2000F. I imagine the way a pellet stove works it’s much hotter than that. I would get the temperature of the exhaust with a infrared temperature gun to remove any guess work. 

by|Jan 23, 2023
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    Q:can this be used over Automatic Electric Heat Cable Kit is designed for use on metal and plastic water pipes to help prevent the pipes from freezing...?
    by|Oct 26, 2022
    1 Answer
    Answer This Question

    A:  This tape is rated for cooling / heating duct applications for wide array of temperatures. You just got to find the temperature on wire surface and make sure that its within listed temp range for this tape.

    by|Oct 29, 2022
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      Q:Will this tape stick to concrete
      by|Oct 8, 2022
      1 Answer
      Answer This Question

      A:  It will if the surface is clean and smooth.

      by|Oct 12, 2022
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        Q:Can I use this to seal the exhaust pipe on my pellet stove?
        by|Oct 7, 2022
        2 Answers
        Answer This Question

        A:  Hi there. This product can be used for temperatures up to 325 degrees F. This should be a good tape for your application.

        by|Nov 2, 2022
          1 found this answer helpful

          A:  Yes, it is heat resistant!

          by|Nov 2, 2022
            1 found this answer helpful
            Showing 1-4 of 54
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            Customer Reviews

            4.7 out of 5
            (669)
            • 4.7
              out of 669 reviews
            • 91%recommend this product
            Filter by:
            Showing 1-10 of 669 reviews
            Failed quality control
            This one was purchased for the sealing of my HVAC system. The adhesion strength is adequate. However, I encountered several long areas that totally lacked adhesive on the foil side. I believe I purchased the faulty item. Can I get a refund in this case?
            by
              I used this tape to seal beetween our gutter and...
              I used this tape to seal beetween our gutter and flashing that created a cap that would allow water into our roofline when the gutters would get overloaded. Still need to drop a new downspout in the gutter but this sealed the water out of the house!
              by
                2 found this review helpful
                Premium foil tape with great results
                Nashua foil tapes have always been my 'go-to' tapes for HVAC related work or other sheet metal related sealing and repair tasks. It is described as a 'premium foil' tape because it is superior to all other foil tape product I've ever used. The 2.5" width is great for sealing a seam and gives you plenty of left-over to create a very sturdy air-tight seal on the metal or flexible ducting HVAC parts. 60 yards goes a long way and ensures that you are not running through multiple smaller rolls which create more waste and increase costs. The tape cuts very easily with scissors or a utility knife and the paper backing is always easy to remove when ready to apply. Years after install, even in heavy condensation conditions - I find that the tape I have installed is still holding long and strong. For your safety and comfort, it is a Low VOC product and Made in the USA of US and global components. It handles a huge variety of temperatures but if you need a more extreme tape, Nashua has one and Home Depot sells it - described as Extreme Weather. The versatility of this tape is great and it is well worth the premium you pay for it.
                by
                • Recommended
                Works as advertised
                This premium foil tape works as advertised and is easy to use. I will use this premium foil tape for my future HVAC projects.
                by
                  • Recommended
                  Worst tape ever
                  Tape is NOT well made. Foil comes off in random patterns leaving bare adhesive and clear tape. Was able to wrap it around enough to make the two joints i had to seal stick but its ugly. Tape is essentially unusable
                  by
                    6 found this review helpful
                    Great for sealing foam insulation to protect against freeze damage
                    Great for sealing foam insulation to protect against freeze damage
                    by
                    • Verified Purchase
                    • Recommended
                    2 found this review helpful
                    The tape around my duct work on the on the AC unit was almost complete loose. This Premium Foil ...
                    The tape around my duct work on the on the AC unit was almost complete loose. This Premium Foil Tape was very effective in sealing the old tape to the duct. I applied it about a month ago and so far it is holding well. Caution: when you peel the back off the adhesive, your tape will quickly coil into a loop and stick together. Be sure to hold both ends when removing the backing. Since I was working alone, I would remove a few inches of the tape, stick the exposed end to a stud or duct, and then finish removing the backing.
                    by
                    • DIY
                    • Verified Purchase
                    • Recommended
                    14 found this review helpful
                    Outstanding Tape For Sealing A/C Handler-Furnace
                    As a DIY every ten to twelve weeks I 'service' my A/C Air Handler-Furnace. I first shut off the electrical and remove the air handler panel cover. I then inspect the evaporator “A” coils for debris accumulation and drop anti-algae tablets in the condensation pan to keep the condensate line free of blockages and potential overflow, water damage. This whole process only takes approximately ten minutes. After putting the air handler panel cover back on I tape the entire seams, between the cover and handler body with Nashua 324A Premium Aluminum Foil Tape. It not only provides an airtight seal to keep out leaking 'by-pass air' drawn into the handler, but is also provides a vapor barrier to keep moisture out. Sealing my air handler with Nashua 324A has saved me money over the long run through increased efficiency from not having to cool and dehumidify leaking air drawn into the handler. This has also kept the air handler fan and evaporator cooling coil cleaner too. Most of my friends are shocked when they see how 'leaky' their air handler-furnace is especially if they have to remove the cover frequently to change their air filters. The screws holding the cover on get worn and don't seal the unit. Nashua 324A Aluminum Foil Tape is what I recommend to them to properly seal their units. At first they balk at the cost of the tape over cheap duct tape, but there is no comparison. Cheap duct tape just does not hold up to after being exposed to moisture and temperature fluctuations, which is why I recommend this Nashua Foil Tape. Besides, it is UL listed for the very purpose of sealing HVAC equipment.
                    by
                    • DIY
                    • Recommended
                    4 found this review helpful
                    Very please with this tape. It was very easy to...
                    Very please with this tape. It was very easy to use and did a great job.
                    by
                    • Verified Purchase
                    by
                    • Verified Purchase
                    Showing 1-10 of 669 reviews

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