Enverge EasySeal® .5 Open Cell Spray Foam is engineered for high performance and application in a wide range of temperatures and conditions.  EasySeal .5 is our #1 selling open cell spray foam because its applicator friendly and among the highest yielding .5 lb. foams on the market, providing our customers the most for their money. Enverge EasySeal .5 provides air and thermal barrier performance in a wide variety of applications.