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3M Aluminum Foil Tape 3381, 1.88 in x 50 yd, 2.7 mil, Silver, HVAC, Sealing and Patching, Moisture Barrier, Cold Weather, Air Ducts, Foam Sheathing Boards, Insulation, Metal Repair

4.7 out of 5 stars 1,507 ratings

List Price: $12.13 Details
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Enhance your purchase

Material Aluminum
Size 1.88 in x 50 yd
Compatible Material Metal
Brand 3M
Item Thickness 2.7 Mils

About this item

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  • COLD WEATHER: 1. 4 mil aluminum foil backing (2. 7 mil total thickness) coated with a pressure sensitive, cold-weather, acrylic adhesive system (-30F to 250F)
  • EXCELS IN HUMIDITY: Designed for cold weather conditions and excels in demanding temperature and humidity applications
  • MOISTURE BARRIER: Excellent barrier against moisture, dust, flame and certain chemicals
  • UV RESISTANT: Providing good performance and durability in various environments
  • CONFORMABLE: Malleable foil is conformable, capable of adhering to irregular surfaces
  • APPLICATIONS: sealing foil faced foam sheathing boards, reflective insulation materials, duct wraps and residential insulation batts
Specifications for this item
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Frequently bought together

  • 3M Aluminum Foil Tape 3381, 1.88 in x 50 yd, 2.7 mil, Silver, HVAC, Sealing and Patching, Moisture Barrier, Cold Weather, Air
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From the manufacturer

Product description

A 1. 4 mil high-strength, dead-soft aluminum foil tape, 3M Aluminum Foil Tape 3381 is coated with an acrylic pressure sensitive adhesive that performs well in a wide range of temperatures. Designed for cold weather conditions, our Aluminum Foil Tape 3381 excels in demanding temperature and humidity applications. This aluminum tape has superior UV resistance, providing good performance and durability in demanding environments. The general purpose aluminum foil backing serves as an excellent barrier against moisture, dust, flame and certain chemicals. The malleable foil is conformable and applies easily to fibrous and sheet metal ducts and other irregular surfaces. 3M Aluminum Foil Tape 3381 can be used across many industries. Some applications of this product include: HVAC, light reflecting, heat shielding, moisture barrier, thermal conducting, sealing, and splicing.

Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 2 x 6 x 6 inches; 1 Pounds
  • Manufacturer recommended age ‏ : ‎ 8 years and up
  • Item model number ‏ : ‎ 051111078129
  • Date First Available ‏ : ‎ May 31, 2012
  • Manufacturer ‏ : ‎ 3M
  • ASIN ‏ : ‎ B00A7I5L86
  • Country of Origin ‏ : ‎ USA
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Customer Reviews:
    4.7 out of 5 stars 1,507 ratings

Important information

Legal Disclaimer

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.  For additional product information, visit www.3M.com.


Customer Questions & Answers

Customer reviews

4.7 out of 5 stars
4.7 out of 5
1,507 global ratings
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Top reviews from the United States

Reviewed in the United States on January 5, 2017
Verified Purchase
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1.0 out of 5 stars False advertising it's not 2.7mils but 1.1 mils thick
By Auggie on January 5, 2017
I received the tape today and I immediately noticed it was way too thin to be 2.7mils so I measured it with a high precision micrometer and it's 1.1 mils. Even the original product description on the 3M site says 1.4mils (Attached screenshots). The thickness is NOT 2.7mil as stated so it's false advertising. I even paid same day delivery because I needed it badly. I'm so disappointed.
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123 people found this helpful
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Reviewed in the United States on July 16, 2017
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Reviewed in the United States on November 27, 2019
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Reviewed in the United States on November 21, 2020
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Reviewed in the United States on April 5, 2018
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4 people found this helpful
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Reviewed in the United States on August 27, 2020
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Reviewed in the United States on November 23, 2019
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3 people found this helpful
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Reviewed in the United States on February 1, 2018
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Top reviews from other countries

Paul Denis
5.0 out of 5 stars Just what I needed.
Reviewed in Canada on October 24, 2020
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MW
5.0 out of 5 stars Nice and sticky
Reviewed in Canada on January 26, 2019
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GUILLERMO AVILES
5.0 out of 5 stars excelente
Reviewed in Mexico on February 3, 2021
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Nope
5.0 out of 5 stars Five Stars
Reviewed in Canada on July 18, 2017
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One person found this helpful
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