How Does Fire Doors Work
When subjected to heat the intumescent strips expand and seal the gap between the door edge and the frame.
How does fire doors work. At global door we do not believe there should be any mystery over the components that are. A fire door must be fitted with approved intumescent strips which play a crucial part in achieving the fire door rating. Fire doors are generally fire resistant sealed frame doors made of various materials and installed in fire rated walls. How fire doors work.
Fire doors are doors with fire resistance ratings used as part of a passive fire protection system to reduce the spread of fire and smoke between separate compartments of a structure and to enable safe egress from a building or structure. In north american building codes it along with fire dampers is often referred. Fire doors are an important part of a building s passive fire protection system and doors in a means of egress provide life safety by allowing people to exit quickly when necessary. The contain the fire and help to stop it speading to other parts of the building they also help to limit the spread of smoke.
Intumescent seals can be fitted within the door frame or grooved into the door edge. Worryingly the fire door inspection scheme fdis recently highlighted that three quarters of all fire doors inspected in 2019 were condemned as not fit for purpose. If you own a commercial or non domestic property there are strict regulations and guidelines to follow ensuring the doors can withstand certain heats. They re self closing and designed to seal off a room to help prevent the spread of a fire but must meet minimum qualifications in order to successfully do their job.
Every fire door is vigorously tested and certified. The design of a building the nature of its business and the particular location of the fire door in that building will all determine the category of fire door required. Each of which must meet sound accessibility ventilation thermal and safety glazing standards before they can be sold to the public to ensure maximum protection for residential and commercial properties. Where do i need fire doors.
Our infographic spells out some key facts as well as the does and don ts of fire doors. The most commonly specified fire door categories are fd30 and fd60 which provide 30 minutes and 60 minutes of fire protection respectively. Fire doors can also reduce the amount of oxygen that supports the fire.