Bis Certification For Steel Doors, Windows And Ventilators It is assuring that IS 1038:1983 Specification for steel doors, windows and ventilators for use in buildings have been formulated by the Bureau of Indian Standards. These materials are commonly used in homes, commercial buildings, and other structures because of the structural strength and long-lasting wear. IS 1038: 1983 includes specifications for materials of construction, dimensions, design of bottom closing, fabrication and finish to maintain uniform quality and performance between traps. Its relevance is highlighted to be attributed to counter corrosion, structural integrity, right functioning of the hinges, locking devices and shutters. For supply of these goods in India, manufacturers need to have BIS Certification. Products which conform to the standards are marked with ISI mark, which assures the consumers that they are being offered safe, reliable and good quality products and that they are not compromising on standards.