Designed to perform in hot climates, Accufoam's 1.9 lb. HFO Closed-Cell Summer Spray Foam Insulation is ideal for both residential and commercial applications, particularly in areas where temperature control is a priority. As the foam expands upon application, it fills gaps, cracks, and voids, creating a continuous, seamless barrier against air leaks and moisture. Its closed-cell structure also prevents water infiltration, offering added protection against mold growth and water damage. This summer-focused spray foam is the perfect solution for improving comfort and energy savings during the hottest months of the year.