EnviroSeal® No Mix is a two component, open-cell spray polyurethane foam (ocSPF) light-density insulation system that does not require mixing or agitation of the resin prior to application. EnviroSeal No Mix uses water as the sole blowing agent and is a unique ocSPF insulation. It employs a proprietary formula that ensures adhesion to substrates and to itself. EnviroSeal No Mix is installed by certified professionals using specialized equipment that uses a fixed ratio foam system. It is the optimal insulation for residential, industrial, and commercial applications.