Heatlok Soya HFO

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Product Information

Heatlok Soya HFO leverages Honeywell’s latest Solstice® Liquid Blowing Agent technology. This new hydrofluoroolefin (HFO) blowing agent is the most environmentally conscious blowing agent produced, with a zero ozone depletion potential (ODP) and a global warming potential (GWP) of 1, which is more than two orders of magnitude (99.9%) lower than current HFCs used in this industry.

Fully compliant with the requirements of the Paris, Kyoto and Montreal protocols designed to lower the use of global warming potential gasses, while offering a non-ozone depleting high performance insulation.

Heatlok Soya HFO combines all of the benefits of Heatlok with the industries fourth generation of blowing agent.

Reduced Global Warming Impact With Ultra-Low GWP Blowing Agent

Exceeding the stringent requirements of CAN/ULC S705.1-15 standards, while leveraging Solstice HFO blowing agent, makes Heatlok Soya HFO the choice for a green future.

Heatlok Soya HFO / Polarfoam Soya HFO are two component, low GWP, closed cell, spray applied, rigid polyurethane foam systems. This foam product has been tested by an independent recognized laboratory and is the first product that surpasses the requirements outlined in the most recent and strenuous standard CAN/ULC S705.1 “Standard for thermal insulation – Spray applied rigid polyurethane foam, medium density – Material Specification”. Heatlok Soya HFO/ Polarfoam Soya HFO material complies with the requirements of National Building Code of Canada and is listed by the National Research Council Canada under CCMC Listing 14078-L as an insulation product. This product is commonly used as a thermal insulation product, air barrier, vapour barrier for interior, exterior applications above and below grade. Heatlok Soya HFO / Polarfoam Soya HFO uses recycled plastic materials, rapidly renewable soy oils, and 4th generation blowing agent with zero ozone depleting potential and < 1 global warming potential. This product meets all the requirements of the Paris, Kyoto and Montreal protocols. Heatlok Soya HFO/ Polarfoam Soya HFO is applied exclusively by CALIBER QAP licensed installers and contractors in accordance with the standard CAN/ULC S705.2.


While specific requirements differ from locality to locality, the use of foam plastics for most building occupancies is permitted only when they are protected by an approved thermal barrier. Z-3306 has been successfully fire-tested and listed by Underwriters Laboratories, Inc. and Factory Mutual. Z-3306 has a proven field and laboratory record of performance, reliability, ease of application and low in-place cost.


  • Aged R-value (C-518) = 7.0/inch
  • Density = 2.1 lb/ft3
  • Ultra-low Global Warming Potential
  • 22% Renewable & Recycled Content

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