Spray Foam Insulation is a cost-effective, superior choice for exterior commercial wall solution for modern building design. This 3-in-1 product acts as insulation, air barrier, and vapor retarder with lower installed costs, reduced labor and less waste. The modern approach to continuous insulation smoothly and completely cover all areas of the wall assembly. Plus, our Icynene ProSeal Eco spray foam product can be used 12 months a year in all climates.