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3M Aluminum Foil Tape 3340, 2.5 x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair
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3M Aluminum Foil Tape 3340, 2.5 x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair
2.0 mil aluminum foil backing (4.0 mil total thickness) with a strong, pressure sensitive acrylic adhesive is ideal as a vapor seal tape for duct closure.
3M Aluminum Foil Tape 3340, 2.5 x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair
3M

Item #: 39419827

3M Aluminum Foil Tape 3340, 2.5 x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal

Item #: 39419827

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2.0 mil aluminum foil backing (4.0 mil total thickness) with a strong, pressure sensitive acrylic adhesive is ideal as a vapor seal tape for duct closure.
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What Stands Out

Strong Adhesion
3M Aluminum Foil Tape offers superior adhesion, ensuring a reliable seal for various HVAC applications, effectively addressing leaks in hot and cold air ducts.
Temperature Resistant
With a robust design, this tape withstands extreme temperatures, making it ideal for insulating fiberglass duct boards and metal repairs in diverse environments.
Multi-Purpose Use
Versatile in application, this tape is suitable for sealing, patching, and repairing, providing exceptional quality and value for HVAC professionals and DIY enthusiasts alike.

Product Details

Shop 3M Aluminum Foil Tape 3340, 2.5 x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair online at a best price in Trinidad and Tobago. B091QCSQXK
  • 2.0 mil aluminum foil backing with strong, pressure sensitive acrylic adhesive
  • Operational temperature range of -40F-300F (-40C-149C)
  • Poly coated kraft paper liner for protecting adhesive and easy releasing
  • Excellent barrier against moisture, dust, and many chemicals for long-lasting durability
  • Ideal for HVAC, duct closure, vapor seal on fiberglass duct board, and flexible air ducts
  • Meets requirements for UL 181 A-P and UL 181 B-FX Listings
Item Weight1 lbs (450 grams)

Who Should Buy?

Suitable For
  • HVAC Professionals

    Ideal for HVAC technicians needing durable sealing for air ducts in both hot and cold environments.

  • Insulation Installers

    Perfect for professionals working with fiberglass duct boards and requiring reliable insulation sealing.

  • General Repairs

    Great for anyone looking to patch or repair metal surfaces effectively with a strong adhesive tape.

Not Suitable For
  • Outdoor Use

    Not suitable for prolonged outdoor exposure; may degrade when exposed to UV rays and moisture.

  • High Moisture Areas

    Not recommended for areas with excessive moisture, as the adhesive may lose effectiveness over time.

  • Non-Metal Surfaces

    Ineffective on non-metal surfaces, as it may not stick well to plastics or wood materials.

Product Description

3M Aluminum Foil Tape 3340, 2.5 x 50 yd, 4.0 mil, Silver, HVAC, Sealing and Patching Hot and Cold Air Ducts, Fiberglass Duct Board, Insulation, Metal Repair

About This Item

Introducing the 3M Aluminum Foil Tape 3340 - your ultimate solution for HVAC sealing, patching, and metal repair needs. This high-quality tape is specifically designed to meet the demands of the HVAC industry, making it the perfect choice for sealing and patching hot and cold air ducts, fiberglass duct boards, and insulation. Crafted with a strong and durable 4.0 mil aluminum foil backing, this tape provides excellent heat and moisture resistance, ensuring long-lasting performance in any environment.

Its silver color blends seamlessly with HVAC systems, giving it a professional and finished look. The 3M Aluminum Foil Tape 3340 is not only ideal for HVAC applications but also excels in metal repair projects. Whether you need to repair pipes or seal gaps in metal surfaces, this tape offers reliable and efficient results.

Its strong adhesive ensures a secure bond, keeping your repairs intact for years to come. With its versatility and durability, this tape is a must-have for any DIY enthusiast or professional contractor working in the HVAC field. Trust the renowned brand of 3M to provide you with a reliable and high-performing product every time.

Invest in the 3M Aluminum Foil Tape 3340 and experience the superior sealing and repair capabilities it offers. Don't compromise on quality - choose 3M for all your HVAC and metal repair needs.

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is 3M Aluminum Foil Tape 3340 used for?

    Answer: 3M Aluminum Foil Tape 3340 is primarily designed for sealing and patching hot and cold air ducts, as well as insulating fiberglass duct boards. Its aluminum backing provides excellent durability, reflects heat, and withstands moisture, making it ideal for HVAC applications. Users can utilize it in both residential and commercial settings to improve energy efficiency and prevent air leaks, ensuring that heating and cooling systems operate effectively.
  • Question: What are the dimensions of 3M Aluminum Foil Tape 3340?

    Answer: The 3M Aluminum Foil Tape 3340 comes in a convenient size of 2.5 inches wide by 50 yards long. This ample length allows users to tackle multiple sealing or patching projects without needing frequent replacements. Its width is perfect for covering large gaps and seams in both metal and insulation materials, enabling an effective seal for various ductwork applications.
  • Question: Is 3M Aluminum Foil Tape 3340 resistant to temperature changes?

    Answer: Yes, 3M Aluminum Foil Tape 3340 is designed to withstand a wide range of temperatures, making it suitable for both high and low-temperature applications. It can maintain its adhesive properties even in extreme heat or cold, making it perfect for HVAC systems that experience fluctuating temperatures. This feature ensures that the tape can effectively seal ductwork under diverse climatic conditions.
  • Question: Can 3M Aluminum Foil Tape 3340 be used on surfaces other than metal ducting?

    Answer: Absolutely! While 3M Aluminum Foil Tape 3340 is ideal for metal ducting, it can also be used on fiberglass duct boards and various insulation materials. This versatility makes it a go-to product for contractors and DIY enthusiasts alike, allowing them to create strong seals on multiple surfaces, ensuring that thermal insulation remains intact and efficient.
  • Question: How do you apply 3M Aluminum Foil Tape 3340 for optimal results?

    Answer: For best results, start by ensuring that the surface is clean, dry, and free from contaminants. Cut the tape to the desired length and carefully apply it with firm pressure across the seam or gap, smoothing it out to prevent air pockets. This method ensures a solid adhesion and maximum sealing effect, especially in HVAC installations, where precision is crucial for energy efficiency.
  • Question: Is 3M Aluminum Foil Tape 3340 waterproof?

    Answer: Yes, 3M Aluminum Foil Tape 3340 is highly resistant to moisture, making it waterproof. This feature adds to its efficacy in HVAC applications, where condensation can occur. By preventing moisture from entering or escaping duct systems, this tape helps maintain system efficiency and prolong the lifespan of both the ductwork and insulation materials.
  • Question: Can 3M Aluminum Foil Tape 3340 be used in outdoor applications?

    Answer: Yes, 3M Aluminum Foil Tape 3340 can be used outdoors due to its ability to withstand various environmental conditions. Its durable aluminum backing provides protection against UV rays and harsh weather elements. It is particularly effective in outdoor HVAC setups or in sealing areas where ducting might be exposed to outdoor elements, ensuring lasting performance.
  • Question: What makes 3M Aluminum Foil Tape 3340 different from other duct tapes?

    Answer: 3M Aluminum Foil Tape 3340 stands out due to its aluminum backing, which provides superior durability, heat reflection, and moisture resistance compared to standard cloth or plastic duct tapes. While traditional duct tapes can peel or lose adhesive over time, the robust properties of this aluminum tape enhance its performance in HVAC applications, offering a more reliable long-term solution for sealing and patching.
  • Question: Is 3M Aluminum Foil Tape 3340 safe for use with insulation?

    Answer: Yes, 3M Aluminum Foil Tape 3340 is specifically safe for use with insulation materials. It not only adheres well but also helps maintain the integrity of the insulation by preventing air leaks, which can lead to energy loss. This makes it an excellent choice for both residential and commercial insulation projects, where maintaining temperature levels is crucial.
  • Question: Where can I buy 3M Aluminum Foil Tape 3340?

    Answer: You can purchase 3M Aluminum Foil Tape 3340 at Ubuy in Trinidad and Tobago. Ubuy offers a broad selection of high-quality products, including industrial tools and materials, making it a convenient option for sourcing this essential HVAC tape. With Ubuy, you can easily find the specifications you need and enhance your projects with reliable products.

3M Duct Tape Editorial Review

The 3M Aluminum Foil Tape 3340 has garnered a strong reputation among customers for its versatility and reliability. Users have Consistently noted its exceptional adhesive properties, which allow it to bond effectively to various surfaces, including air ducts, insulation, and even homemade grills. Many reviewers emphasized that the tape remains firmly in place despite exposure to heat or cold, making it a dependable choice for HVAC applications. Customers appreciate the ease of use, highlighting how the tape can be cut with heavy-duty scissors and conforms to various surfaces without tearing easily. The product's quality aligns with the expectations set by the 3M brand, with many users asserting that while the tape may come at a higher price point, its durability and performance justify the investment. There are, however, a couple of minor inconveniences noted by users. The tape's backing can be a bit tricky to peel off, particularly for individuals using it in challenging positions like atop a ladder. Additionally, the price has been mentioned as a Consideration, with some potential users suggesting they may opt for cheaper alternatives, although they acknowledge that it might not be worth the risk. Overall, customers have found the 3M Aluminum Foil Tape to be an essential tool in their projects, delivering professional-grade results and ensuring reliability in various applications. **

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Pros

  • Excellent adhesive quality and durability
  • Conforms well to surfaces without tearing
  • Ideal for a wide range of applications (HVAC, insulation, crafts)
  • No residue left upon removal
  • Recognized brand reliability (3M)

Cons

  • Higher price point compared to other brands

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

TTD 401

Order now and get it around Sunday, June 28

QTY:

Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Ideal as a vapor seal tape for duct closure.
  • Operational temperature range of -40F-300F (-40C-149C).
  • Poly coated kraft paper liner protects the adhesive.
  • Foil backing acts as a barrier against moisture, dust, and chemicals.
  • Wide range of applications across various industries.
  • Listed for both UL181A-P and UL181B-FX.