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40 Micron Cold Weather High Tack Aluminium Foil Tape

GT40HT™ is a premium 40 micron cold weather adhesive aluminium foil tape. Manufactured to the highest of specifications and coated with a high tack solvent acrylic pressure sensitive instant grab adhesive, this conformable dead soft 40 micron aluminium foil tape can be easily moulded to irregular surfaces, maintaining insulation efficiency by protecting against the effects of fire, moisture and dust.

Designed with today’s demanding application requirements in mind, this premium grade 40 micron aluminium foil tape product exhibits superior standards of reliability, strength and durability whilst excelling in demanding temperature and humidity applications, making GT40HT the foil tape of choice for extreme environments.

  • gt40ht website
  • gt40ht website

Typical Applications

Typical applications for GT40HT™ 40 micron aluminium foil tape. Widely used in the HVAC industry for jointing and sealing of foil-scrim faced laminated fibreglass blankets, duct board, pipe sections and seams. This 40 micron cold weather aluminium foil tape is extensively used but not limited to jointing and sealing of flexible air duct seams and connections, in both internal and external applications.

Also used in other industrial applications requiring a cold weather aluminium foil tape with similar characteristics and benefits. Please check with a technical product expert to determine the suitability for this 40 micron foil tape for a particular purpose prior to use.

  • Provide complete vapour seal within the HVAC industry
  • Jointing tape for foil faced structural insulation boards and flexible rolls
  • Sealing of flexible duct insulation

GT40HT™ Product Data

Item Value
Adhesive Solvent Acrylic
Product Thickness 40 micron
Total Thickness 80 micron
Adhesion to Steel 15 N/25 mm
Tensile Strength 55 N/10 mm
Tack Rolling Ball 5 cm
Elongation 3%
Service Temperature -35˚C to +120˚C
Operating Temperature -20˚C to +40˚C
Fire Rating  Class 0

GT40HT™ Information

GT40HT™ Features

  • Aluminium backing providing excellent reflection of both heat and light.
  • 40 micron aluminium foil tape with high tack cold weather adhesive with moderate adhesion offering excellent sealing and bonding on joints and seams in HVAC ductwork applications.
  • Excellent aging resistance for both internal and external applications.
  • Low moisture vapour transmission rate offers excellent sealing and patching performance.

Available Sizes

GT40HT™ 40 micron aluminium foil tape with cold weather adhesvise is available in 48, 72 & 96mm roll widths.

All rolls are manufactured in 45m lengths

Available Colours

GT40HT™ 40 micron aluminium foil tape with cold weather adhesvise is available in a bright aluminium foil finish

Surface Preparation

Ensure all surfaces are dry and clean, free from dirt, dust, grease, oil and silicones.

Ensure firm pressure is applied to the high tack foil tape to provide the best adhesive bond, and that sufficient tape is applied (of at least 25mm) either side of joints to provide a long-lasting seal.


Remove the release paper from the section of GT40HT™ high tack aluminium foil tape, taking care not to touch the cold weather adhesive surface.

Align the tape centrally over the join. Pull the tape taut and then press down firmly over the entire joint area.

Rub the tape to remove any wrinkles or folds.

Product Shelf Life

12 months when stored in original, unopened packaging at 21˚C (70˚F) / 50% relative humidity, and kept out of direct sunlight.

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Data Sheets & Downloads

Looking for a data sheet or an installation guide for our GT40HT™ cold weather aluminium foil tape product, then the following downloads might come in handy.

Technical Data Sheet GT40HT™ 40 Micron Cold Weather Aluminium Foil Tape139 Kb Download .pdf

adhesive tapes GT40HT cold weather tape high tack

ProTech Global

Specialist Insulation Jacketing Solutions

Over the years, we’ve been able to build a reputation as one of the best independent company's in our industry, supplying premium weatherproof jacketing & insulation cladding systems, aluminium foil jointing adhesive tapes, and anti-corrosion control products across multiple markets. Those interested to work with us in any field relating to our work are encouraged to contact us by way of telephone or e-mail by using the contact form to obtain more information.


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