ProTech Global GT1625HT FSK (Foil/Scrim/Kraft) Aluminum Foil Tape

ProTech Global GT1625HT FSK (Foil/Scrim/Kraft) Aluminum Foil Tape

ProTech Global GT1625HT is a premium grade tri-directional reinforced FSK (foil/scrim/kraft) insulation tape protected by an easy release silicone paper. Specifically designed to match FSK faced insulation materials, this high performance adhesive tape is fire retardant and mold resistant.

Being a lamination of aluminium foil, kraft paper, and reinforced fibreglass, this cost effective adhesive tape product is manufactured to the highest of specifications providing a protective insulative barrier against heat, cold, dust and moisture. The high performance pressure sensitive adhesive provides a long term adhesive bond which excels in both very cold and high humidity environments, making it an ideal choice for the sealing of FSK foil faced insulation materials in the HVAC sectors.

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Product Description


  • Aluminium backing providing excellent reflection of both heat and light sources.
  • Extremely high-quality solvent acrylic high tack adhesive offering reliable and durable sealing and bonding
    characteristics at extreme cold and high humidity environments.
  • Excellent aging resistance for both internal and external applications
  • Epoxy resin coating contributes to good surface anti-corrosive characteristics against moisture and


Widely used in the HVAC industry for joining and sealing of FSK faced insulation materials, fibreglass blankets, duct board, pipe sections and seams. Used in both internal and external applications.

Also used in other industrial applications requiring an adhesive tape with similar characteristics and benefits. Please check with a technical product expert to determine suitability for a particular purpose prior to use.

Product Data

Item                                              Value                                           Standard
Adhesive                                       Solvent Acrylic
Product Thickness                       4.8 mil                                        PSTC-133 / ASTM D 3652
Total Thickness                            6.8 mil                                        PSTC-133 / ASTM D 3652
Elongation at Break                      1%                                              PSTC-131 / ASTM D 3759
Tensile Strength                            27.3 lb/in                                  PSTC-131 / ASTM D 3759
Tack Rolling Ball                            6.0 in                                        PSTC-6 / ASTM D3121
Adhesion to Steel                          54 oz/in                                    PSTC-101 / ASTM D 3330
Service Temperature                     -22 to 176 Degrees F              
Application Temperature              50 to 105 Degrees F  
Fire Rating                                      25/50                                       ASTM E84 / UL723 

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General Insulation Company Inc. is an insulation supplier / insulation distributor that stocks and fabricates a wide variety of industrial and commercial air barrier, vapor barrier, moisture and water barrier products for the construction market.

ProTech Global GT1625HT Technical Data Sheet

ProTech Global GT1625HT Safety Data Sheet