Polyurethane (PU) foam is a widely used technology for upgrading envelope airtightness and thermal performance in existing homes. At the same time, field application of these foams requires additional attention to environmental conditions and inherent industrial hygiene concerns. Furthermore, the proliferation of new products complicate selection of which foam to use in specific applications. In this session, a polyurethane chemist will explain the fundamentals of how these foams work, how to use them safely, and provide practical tips on how to extract maximum value by leveraging the strengths of each various polyurethane foam product types. After providing a brief review of more well-known PU foam products, new innovations in the PU foam space will be highlighted, including recent advancements in dispense technology, plus a review of new PU foam product categories in the marketplace. The presentation will highlight how these new products differ from those used historically, and practical suggestions how they can be incorporated into existing work processes to improve the speed and quality of air sealing tasks.
HSW Justification:
The majority of the course focuses on health and safety for installers during construction and health and energy benefits for occupants. It goes over understanding of the chemistries and construction hazards between different materials and how to mitigate risks and improve industrial hygiene for construction workers. It also covers the health and energy occupant health and energy benefits of air sealing and how to effectively air seal to help maximize these benefits.
Learning Objective 1:
Understand the chemistry and various categories of curing polyurethane foam products, define safety risks associated with on site application of these products and how to best mitigate those risks.
Learning Objective 2:
Learn health and energy benefits of air sealing and highlight the most effective spray foam materials to use in high impact locations.
Learning Objective 3:
List benefits and challenges of curing polyurethane foam products, as well as practical tips that can be applied in the field to maximize productivity and material efficiency.
Learning Objective 4:
Understand how to significantly reducing industrial hygiene issues that can impact worker health during application with incorporation of new foam product innovations for air sealing.
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