Presence of PUF Doors can be noticed in clean room and cold room where maintenance of controlled environment is of utmost importance. Filled with polyurethane foam, these weather protected doors are offered in standard and custom made colors. Thickness of these doors depends on specific preference of customers. These are equipped with standard hardware accessories like lock, handle, 304 grade stainless steel hinges and double glazed glass made viewing panel. These PUF Doors have been thermally insulated by using standard grade joints that prevent air penetration inside room. Insulation material and wooden end blocks of these doors help to inhibit transferring of internal cold.