0 ratings
Item #:
223012741
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,
Item #:
223012741
BDT 6931
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, July 22
Secured 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
3M Foil Tape 3340 improves the efficiency, sealing, and thermal properties of air systems in many applications across a broad range of industrial applications.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
Product Details
| Item Weight | 1.1 lbs (500 grams) |
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
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the primary uses of 3M Aluminum Foil Tape 3340?
Answer: 3M Aluminum Foil Tape 3340 is primarily used for sealing and patching hot and cold air ducts, working effectively with fiberglass duct boards, insulation, and metal surfaces. The high thermal conductivity and resistance to moisture make it ideal for HVAC applications. This tape can be used in areas where temperatures fluctuate significantly, ensuring that air leakage is minimized. In practical scenarios, it's often applied in residential and commercial HVAC installations for enhanced energy efficiency. -
Question:
How does the adhesive strength of 3M Aluminum Foil Tape compare to other tapes?
Answer: The adhesive strength of 3M Aluminum Foil Tape 3340 is exceptionally high, allowing it to bond effectively to a variety of surfaces including metal and insulation materials. This strong adhesive ensures durability and long-lasting performance, even in challenging environments. Users frequently find it beneficial for both sealing air ducts and repairing various surfaces, as the tape holds up well under different temperature conditions and maintains a secure seal over time. -
Question:
Can 3M Aluminum Foil Tape withstand extreme temperatures?
Answer: Yes, 3M Aluminum Foil Tape 3340 is designed to withstand extreme temperatures, ranging from very low to high heat, making it suitable for a range of applications. Its ability to resist both hot and cold conditions allows it to perform effectively in fluctuating climates, which is essential for HVAC systems. As such, it's often used in both residential heating systems and commercial cooling applications, where temperature stability is crucial. -
Question:
Is the 3M Aluminum Foil Tape resistant to moisture and chemicals?
Answer: Absolutely, 3M Aluminum Foil Tape 3340 features excellent resistance to moisture, chemicals, and UV rays, enhancing its longevity and effectiveness in demanding environments. This characteristic significantly reduces the likelihood of adhesive failure, ensuring that the tape maintains its integrity over time. It's particularly useful in environments subject to condensation, making it a go-to choice for HVAC professionals sealing air ducts in humid conditions. -
Question:
What is the thickness of 3M Aluminum Foil Tape 3340, and why is it important?
Answer: The thickness of 3M Aluminum Foil Tape 3340 is 4.0 mil, an important factor that contributes to its durability and effectiveness. This thickness provides an appropriate balance between flexibility and sturdiness, allowing the tape to conform to surfaces while still offering robust sealing capabilities. Users benefit from this thickness in various applications, especially when patching or sealing where extra durability is required. -
Question:
How do you apply 3M Aluminum Foil Tape effectively?
Answer: To apply 3M Aluminum Foil Tape 3340 effectively, ensure the surface is clean and dry, then cut the tape to the desired length. Firmly press the tape onto the surface, smoothing out any bubbles or creases for a securely bonded seal. Proper application maximizes its adhesive properties and ensures longevity. This method is frequently used by professionals to achieve airtight seals in HVAC systems and during insulation installations. -
Question:
Is 3M Aluminum Foil Tape suitable for both indoor and outdoor use?
Answer: Yes, 3M Aluminum Foil Tape 3340 is suitable for both indoor and outdoor applications due to its robust construction and weather-resistant properties. Whether used indoors for sealing HVAC ductwork or outdoors for patching metal surfaces, it maintains performance across a range of conditions. This versatility makes it an indispensable tool for contractors and DIY enthusiasts working in various environments. -
Question:
How does 3M Aluminum Foil Tape help in energy efficiency?
Answer: 3M Aluminum Foil Tape 3340 plays a crucial role in enhancing energy efficiency by sealing air leaks in ductwork. Proper sealing prevents conditioned air from escaping and unconditioned air from entering, leading to improved HVAC efficiency. This application is especially vital in homes and buildings where maintaining consistent temperatures can lead to significant energy cost savings over time. -
Question:
What should I consider when storing 3M Aluminum Foil Tape?
Answer: When storing 3M Aluminum Foil Tape 3340, keep it in a cool, dry place, away from direct sunlight and extreme temperature fluctuations. Proper storage conditions help maintain its adhesive properties and overall performance. Many users find that storing tape correctly prolongs its lifespan, ensuring that it is ready to use whenever needed for projects involving HVAC or insulation work. -
Question:
Where can I buy 3M Aluminum Foil Tape 3340 in Bangladesh?
Answer: You can purchase 3M Aluminum Foil Tape 3340 at Ubuy, an online platform known for a wide variety of products including specialty tapes. Ubuy offers a convenient shopping experience with various options to meet your needs, making it a reliable choice for acquiring this essential HVAC tape in Bangladesh.
3M Duct Tape Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
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.
BDT 6931
Order now and get it around Wednesday, July 22
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- 2.0 mil aluminum foil backing with a strong, pressure sensitive acrylic adhesive.
- Operational temperature range of -40F-300F.
- Poly coated Kraft paper liner protects the adhesive.
- Foil backing serves as an excellent barrier against moisture, dust and many chemicals.
- Applications include HVAC, duct closure, vapor seal on reinforced fiberglass duct board, rigid fiber glass duct board, flexible air ducts and air connectors.
- Listed for both UL181A-P and UL181B-FX.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.