InsulStar® Light 12-008 is a two component, one-to-one by volume, no-mix, self-adhering, seamless spray applied open-cell polyurethane insulation system. InsulStar® Light has been formulated with water as the blowing agent and does not contain CFC, HCFC, HFC or formaldehyde. InsulStar® Light is suitable for use in Type I, II, III, IV & V construction.