Firestopping Book Firestopping Book | Page 29

“Any combination of fire door, frame, hardware and other accessories that together provide a specific fire-resistant rating to the opening in terms of its stability, integrity and insulation properties, when installed in the openings in fire separation walls. Fire door is a component of fire door assembly.” Fire Stop – For the building to function, utility services are needed which create penetrations through the compartments. Such utility penetrations create a breach in the fire barrier and hence are required to be sealed by fire resistance systems. These systems are called fire stop systems. In terms of NBC 2016, Fire doors are defined as follows: “A fire-resistant material, or construction, having a fire resistance rating of not less than the fire separating elements, installed in concealed spaces or between structural elements of a building to prevent the spread/propagation of fire and smoke through walls, ceilings and the like as per the laid down criteria.” 29