Galvanized Flush Door with Thermal Barrier Properties is provided with polyurethane foam insulated core for rigidity and strength. The Galvanized Flush Door can be easily installed in residential as well as commercial complexes. The Galvanized Flush Door has a thermal barrier between 2 snap joints to avoid metal to metal contact. Galvanized Flush Door with Thermal Barrier Properties is fitted with wooden inserts for fixing hard wares.