Profile: National Fireproofing, Inc. manufactures and distributes fire retardant sprays and fire stopping products to commercial and residential customers. Our products comply with ASTM, NFPA, and UL testing standards. Our fire retardants are effective, non-hazardous, non-toxic and are environmentally friendly. Our products are used in all types of residential structures, as well as new and existing commercial & public structures like hospitals, hotels, health care facilities, barns, stables, prisons & educational facilities. Our FS I-DS fire retardant spray is an interior/exterior formula used on hard to penetrate materials, such as open cell and closed cell foams, insulation, hardwoods, cypress wood, thatching, bamboo & pressure treated wood & most synthetics. Our DC 333 fire barrier paint is a UL classified fire resistant coating, which can withstand extreme temperatures (more than 2000°F) and resist fire for over 2 hours on a wide variety of materials, such as sheetrock, wood, concrete, sheet metal, foam, composite panels and fiberglass.