2.5 in. x 60 yd. 324A Premium Foil HVAC UL Listed Sealer Duct Tape
- 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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Return this item within 90 days of purchase.
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Product Details
About This Product
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.
Highlights
- 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
Product Information
Additional Resources
Shop All Nashua TapeSpecifications
Dimensions
Tape Length (yds.) | 60 |
|---|---|
Tape Width (in.) | 2.5 in |
Thickness (mm) | 0.122 |
Details
Color Family | Metallic |
|---|---|
Features | Peel Back Design |
Material | Aluminum |
Maximum application temperature (F) | 325 |
Maximum hold temperature (F) | 325 |
Minimum application temperature (F) | -10 |
Minimum hold temperature (F) | -25 |
Number of Rolls Included | 1 |
Pack Size | 1 |
Returnable | 90-Day |
Questions & Answers
Does this tape adhesive contain natural rubber latex?
Hi there! No, this product is formulated with an acrylic adhesive.
Is it waterproof for outside use
Hi there! Yes! This product is suitable for outdoor use. Our 324A Premium Foil tape offers UV and moisture resistance, and performs in extreme temperatures, making it a great choice for exterior sealing on rigid surfaces like metal ductwork or vents. We hope this helps!
Can i use this tape to seal the seams in fibreglass insulation on INNER side walls of the aluminum chamber for a A-type evaporator coil?
Hi there! Yes, this product can be used for that application.
I have to seal ductwork that is under a mobile home that used to have a flexible duck going to it. Once I install the panel and seal around it with this 324 tape. How long will the tape last?
Hi there! When applied to a clean, dry surface in normal conditions, 324A should last the life of the duct system (10+ years).
Does it leave residue
Hi there! Premium foil tape is engineered to remove cleanly without leaving residue when used as directed. However, under certain conditions—such as prolonged application, exposure to high temperatures or UV light, or use on porous or delicate surfaces—some adhesive transfer may occur.
How thick is this compared to Nashua 324A? how does it hold up in cold temps?
HI there! Both versions of Nashua 324A have a 2.1 mil aluminum foil backing, but the Cold Weather version is specially formulated with an adhesive that performs better in low temperatures, down to -20°F. We hope this helps!
Can I use this tape to seal a flue vent pipe that leads into a chimney from a gas water heater, or is it not rated for high temperatures?
Hi there! This product has been tested and approved for use up to 325°F. We hope this helps!
Can this tape be used to connect styrofoam sheets for trailer skirting?
Hi there! This material has not been tested for styrofoam adhesion. Please proceed with caution.
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Customer Reviews
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Compare Key Features
Product Snapshot | |||
|---|---|---|---|
Built for long-lasting durability and high performance in HVAC installations. | Ideal for sealing various surfaces, this waterproof tape ensures professional results in wet or dry conditions. DIY approved. | Ideal for customers who want permanent, airtight seals in cold, moist conditions. | Ideal for HVAC pros seeking a waterproof, UV-resistant sealant tape for durable and airtight ductwork. |
Length of Roll | |||
60 yd. | 5 yds | 15 yd. | 33.9 yd |
Width of Tape | |||
2.5 in. | 3 in | 4 in. | 1.89 in |
Temperature Resistance | |||
Waterproof | |||
UV Resistance | |||
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