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Huntsman Building Solutions Announces First Type III EPD for any Spray Foam

HUNTSMAN BUILDING SOLUTIONS a global leader in high performance, sustainable building envelope solutions, today announced an Environmental Product Declaration, or EPD, for the company’s popular HEATLOK HFO and HEATLOK Soya HFO closed cell spray foam systems.

Boisbriand, QC –  HUNTSMAN BUILDING SOLUTIONS a global leader in high performance, sustainable building envelope solutions, today announced an Environmental Product Declaration, or EPD, for the company’s popular HEATLOK HFO and HEATLOK Soya HFO closed cell spray foam systems. The independent, third-party document, completed by Sphera and certified by UL, provides objective and comparable information about the lifecycle impacts and emissions of the two spray foam products. HEATLOK HFO and HEATLOK Soya HFO both leverage 4th generations blowing agents, with the former product branded and distributed within the U.S. market and the latter is branded and distributed within Canada.

“The HEATLOK HFO products are the first and only spray foam system with a product-specific, Type III EPD which is independently completed and verified,” says Mickel Maalouf, senior representative of sustainable building science with Huntsman Building Solutions. “The objective assessment delivered through this EPD is key to ensuring an informed choice in the specification of sustainable insulation. It also contributes to USGBC LEED v4 credits and other green building rating systems.”

Completed in accordance with strict ISO standards, including ISO 14044, ISO 14040, ISO 14025, ISO 21930, and EN 15804, the new EPD is based on the spray foam system’s Life Cycle Assessment (LCA), which evaluates the products’ impacts in six key Environmental Impact Categories, one of which is Global Warming Potential, or GWP. As demonstrated by the EPD, HEATLOK HFO and HEATLOK Soya HFO GWP performance comparative to other insulation options is: 39% lower than the spray foam industry average; up to 96% lower than HFO extruded polystyrene; 77% lower than heavy density mineral wool; 52% lower than light density mineral wool; and 55% lower than unbonded loose fill and blown-in mineral wool. These comparisons account for embodied carbon before consideration of additional building energy savings and the resulting operation carbon emission saving made possible with spray foam.

Huntsman Building Solutions spray foam installer

The EPD comparison results show that by simply replacing all insulation types and membranes in assemblies A and B with the single product HEATLOK HFO/HEATLOK Soya HFO at an equivalent R-value, the assembly’s GWP is cut nearly in half (45% reduction in GWP).

Notably, embodied carbon emissions from building materials and construction represent 10% of global carbon emissions and building operations account for 28%.[1]

“When you consider that building materials and construction and building operations account for almost 40% of global annual greenhouse gas emissions, [1] it becomes crystal clear that the

industry needs to build with better materials that reduce these figures,” says Doug Brady, Vice President of global innovation and product management. “Climate change cannot be ignored.

High-performance insulations such as HEATLOK HFO are one of the key methods to helping meet the global warming reduction goals outlined in the Paris Agreement. If designers, specifiers and builders make informed decisions through the use of this EPD, then we believe it was well worth the effort.”


Energy consumption represent a significant cost of building operations. As demonstrated in its product-specific EPD, Heatlok HFO has lower embodied carbon more than the spray foam industry average, which shortens its Carbon/Environmental Payback Period. Heatlok HFO will offset/cancel its higher initial embodied carbon compared to fiberglass in only 4 years. Afterwards, during the remainder of its service life, Heatlok HFO will prevent the release of 110,000 kg of CO2e (carbon equivalent) that would be released in the atmosphere using fiberglass insulation – that’s the net positive environmental impact of Heatlok HFO over fiberglass. Moreover, the yearly energy savings directly translate to annual energy cost savings for homeowners and building operators. Spray foam and Heatlok HFO provide more energy and carbon savings in a shorter period compared to fiberglass insulation.

To learn more about Huntsman Building Solutions and the company’s complete suite of energy efficient building solutions, visit Join the company on Twitter, LinkedInFacebookInstagram and YouTube.

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About Huntsman Building Solutions:

The Huntsman Building Solutions business is a global leader in high-performance, sustainable building envelope solutions. Its systems and solutions are widely utilized to optimize commercial and residential structures worldwide in both new construction and retrofit applications. Formed in 2020 with the acquisition of Icynene-Lapolla and its combination with Demilec, the Huntsman Building Solutions business capitalizes on legacy industry technologies, environmental stewardship and the power of the Huntsman brand. For more information, visit

About Huntsman:

Huntsman Corporation is a publicly traded global manufacturer and marketer of differentiated and specialty chemicals with 2020 revenues of approximately $6 billion. Our chemical products number in the thousands and are sold worldwide to manufacturers serving a broad and diverse range of consumer and industrial end markets. We operate more than 70 manufacturing, R&D and operations facilities in approximately 30 countries and employ approximately 9,000 associates within our four distinct business divisions. For more information about Huntsman, please visit the company’s website at