Spray Polyurethane Foam: The Evolution of Building Insulation

Sponsored by Icynene-Lapolla

Learning Objectives:

  1. Explain the benefits of and the differences between open-cell spray foam insulation and closed-cell spray foam insulation.
  2. Describe the most appropriate applications for open-cell and closed-cell spray foam in commercial designs.
  3. Describe how spray foam insulation can be used in assemblies requiring fire resistance.
  4. Define the differences between thermal barriers and ignition barriers, and explain insulation fire ratings.


This test is no longer available for credit

This course is part of the Education Academy

Of all the different insulation options available today in commercial construction, spray foam can provide outstanding thermal performance while also contributing to air sealing, moisture control, and even structural integrity. This learning unit will provide an overview of spray foam insulation, how it differs from conventional insulation types, its most appropriate applications, and how the material is allowed to be used in fire-resistant construction.

Building exterior featuring aluminum trim.

Photo courtesy of Icynene


Huntsman Building Solutions Huntsman Building Solutions was born in May 2020, following Huntsman’s acquisition of leading North American spray polyurethane foam (SPF) company Icynene-Lapolla in February 2020. Icynene-Lapolla has been integrated with Demilec, also a market leader in SPF applications and which Huntsman acquired in 2018. Together, the businesses are now one of the world’s leading SPF providers and the fifth largest insulation manufacturer. The Huntsman Building Solutions brand name was announced in May and the combined Business now provides customers with an unmatched offering of energy-saving open-cell and closed-cell SPF products, for residential and commercial property owners.


Originally published in July 2017