Icynene's 55 gal. Drum High-R 80 Open-Cell All-Season Resin Spray Foam Insulation supports the production of a consistent open-cell foam structure that fills cavities, gaps, and irregular spaces where traditional insulation methods may be less effective. When combined with the matching Side A component and applied according to manufacturer guidelines, the system helps create a continuous air barrier while supporting energy efficiency and indoor comfort. Designed for qualified installers and insulation professionals, this resin component is a key part of a high-performance spray foam solution for modern building applications.