3M TALC 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

Brand:3M TALC

3.8/5

63.40

3M Foil Tape 3340 forms long-lasting, conformable sealing properties that improve the integrity of rigid fiberglass duct boards. Use this silver, 2.5 in wide, 3.9 mil thick tape along with conformable air ducts and connectors to enhance HVAC air systems maintenance. Tape 3340 is also designed for use in many automotive, electronics, metalworking, construction and aerospace industry applications. Reliability is assured with dual UL181A-P and UL181B-FX listings. You'll get a durable seal and excellent closure against vapor through hot and cold temperatures, enhanced by an aluminum foil backing. Reduce or eliminate mechanical fastener use, and improve heating and cooling efficiency with this long-lasting easy-to-apply tape with a permanent acrylic adhesive and convenient liner. 3M Foil Tape 3340 improves the efficiency, sealing, and thermal properties of air systems in many applications across a broad range of industrial applications.

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Listed for both UL181A-P and UL181B-FX. APPLICATIONS: Heating Ventilation Air Conditioning (HVAC), duct closure, vapor seal on reinforced fiberglass duct board, rigid fiber glass duct board, flexible air ducts and air connectors. LONG LASTING: The foil backing serves as an excellent barrier against moisture, dust and many chemicals - making it strong, durable and long-lasting. EASY RELEASING LINER: Poly coated Kraft paper liner protects the adhesive and keeps the tape ready for use. HOT AND COLD TEMPERATURES: Combination of a foil backing and acrylic adhesive gives this tape a superb operational temperature range of -40F-300F (-40C-149C). VAPOR SEAL TAPE: 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.
Brand 3M TALC
Color Silver
Country of Origin USA
Is Discontinued By Manufacturer No
Item model number 70006658481
Manufacturer 3M
Material High-strength aluminum foil
Number of Items 1
Product Dimensions 3 x 3 x 6 inches; 8 Ounces
Special Feature Long,Strong

3.8

13 Review
5 Star
82
4 Star
13
3 Star
3
2 Star
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1 Star
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Scritto da: Dan Hariton
Great AL adhesive tape
Great AL adhesive tape
Scritto da: Rick
Very nice to work with.
Sticks very well, backing comes of easily, easy to mold to corners. Nice, quality tape.
Scritto da: JP
Best tape for sealing rigid air-duct
This is the best tape for sealing rigid sheet-metal air-ducts. This is not "duct-tape" in the traditional sense, as this is actual aluminum with adhesive. Regular duct-tape does not work well on hot rigid air ducts, but this tape does. Best product for the job. Highly recommended.
Scritto da: sam
wider coverages are best
wider coverages are best
Scritto da: Tommy Smith
it s great
its tape what else can i say
Scritto da: Peter
Terrible smell
In most cases, it might not be an issue but the smell is overwhelming. I was going to use it to seal the top of my reptile mesh terrarium lid but abandoned that idea as I was afraid the outgassing my kill my snakes. It was making me lightheaded. I put it in the garage to get it out of the house. Probably will throw it away.
Scritto da: Fred Y.
Works great
Used this to attach my dryer vent to the exterior slap, and once it came in contact with the pipe, it adhered immediately and made the final process of cleaning out the dryer duct so easy! A must use for dryer vent clean outs….
Scritto da: EA from NY
use sealing a portable ac hose to window!
Much stronger hold than duct tape so you use less. The only issue is the odor. It really is VERY VERY strong. You WILL smell it with every breath u take. hoping it fades.
Scritto da: Lsi
Excellent product for heavy duty, higher temp sealing
This is thick foil tape with a high temperature acrylic adhesive designed for sealing attic bathroom exhaust hoses etc with prominent code compliance labeling. It has a much stronger smell than other foil tapes I have used--definitely more of a pro class product and 0.5” wider than common foil tapes as well. Due to its thickness, it is also less conformable than what is ideal for average furnace and duct seam sealing purposes. I prefer thinner general purpose foil tapes in that role (Climaloc, Nashua 322, 3M 3311 etc). This does provide an added layer of protection for applying to sharp irregular surfaces as it does not tear easily, but it is also thick enough for its edges to cut you if you aren't careful.
Scritto da: Siva V
Great Quality, Seals Really Well, Nice Thick Tape
Very impressed with how well it sticks and seals for my use case which was sealing air gaps in our HVAC system. The tape is wider and thicker than typical HVAC tape which is great. Definitely worth the cost and then some. My Price - $ 18.88
Scritto da: Junaid Danish
Fake Product
Selling fake Product in the name of 3M Returned and again received same product.
Scritto da: Amazon Customer
Great tape
Easy to work with. Strong very good adhesion. I like the fact that it meets the UL specs, this way you not getting some cheap offshore knockoff that doesn't work. Buy it you wont be sorry
Scritto da: Selene
Calidad en el producto, precio razonable
Ninguna otra cinta había podido funcionar con el tubo del aire acodicinado; colocamos esta y ya lleva algunos días sin que se caiga.

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