Enverge's OnePass HFO Closed-Cell Winter Spray Foam Insulation (Part A) features a low Global Warming Potential (GWP) classification, making it an environmentally responsible choice for those seeking sustainable building solutions. Ideal for both residential and commercial applications, this insulation excels in high-performance areas such as attics, crawl spaces, and exterior walls. By sealing off gaps and cracks, Enverges winter spray foam helps to maintain energy efficiency and comfort, even in harsh winter conditions. It is a reliable solution for achieving optimal indoor temperatures year-round.