Dyplast Products provides high R-value polyisocyanurate and phenolic rigid foam insulation, primarily ISO-C1 for use in demanding pipe applications such as cryogenic (e.g.LNG), refrigerant (ammonia and CO2), and chilled water. ISO-HT is suitable for higher temperature applications of hot water and low temperature steam piping. DyTherm Phnolic is used when code requires 25/50 flame/smoke ratings. Applications include pipe insulation from -297F to +400F, and sheet insulation for use in roofing applications as well as cold storage walls.