Bis Certification For Fire Doors and Doorsets Bureau of Indian Standards has issued IS 3614:2021 for fire doors and doorsets for fire resistant and These doors are essential to passive fire protection in buildings made of wood or other common combustible materials and can be the difference between safe escape and catastrophe in a fire emergency. The standard treats such criteria as fire resistance, structural integrity, material quality, and heat exposure performance. Manufacturers have to comply with this safety standard and get BIS Certification. Certified fire doors are marked with the ISI mark that lead users to benchmark of proven performance and the adherence to the national standards of safety and also improve fire safety systems of buildings.