The role of fire doors
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The role of fire doors

Views: 0     Author: Site Editor     Publish Time: 2022-05-25      Origin: Site

Fire doors can provide peace of mind. But getting your existing door right can be all you need to do in a fire. In a residential setting, the simple act of closing a door to a room can slow or prevent heat and smoke from entering the room and injuring occupants or damaging other property inside. If the fire is in the room, a closed door may help slow the fire to the residence. Other parts of the spread, depending on how long the fire burns before being put out. In fact, there are significantly fewer fire and smoke losses with closed doors than with open doors. Fire doors are designed to slow the spread of fire so that occupants can leave the building safely. If any part of the fire door fails or is installed incorrectly, this will affect the fire resistance time of the door. Home fire doors provide 30 minutes of fire protection when properly installed. Commercial buildings typically use doors with a fire rating of 60 minutes or more because they may take longer to evacuate and are subject to different fire safety regulations. Fire doors can also be equipped with fire door closers. Fire doors should always come with manufacturer's instructions that tell you how to install fire door hinges and how many hinges are required for each door leaf. In the UK, fire doors and fire door hinges must always be carried out by a certified professional (such as a trained carpenter or joiner) to ensure they comply with fire safety regulations. This is a professional job that needs to cover a wide range of considerations. Fire Door Hinge Placement - When properly installed, the fire door should fit snugly against the frame with a maximum clearance of 5mm and hang at least 3 fire door hinges. Number of Fire Door Hinges - In some cases, 4 hinges may be required. For example, when doors are taller than 2400mm or extra wide, they will be heavier. Commercial or public buildings with heavy use of fire doors may also require more than 3 fire door hinges. While most interior doors only have 2 hinges, fire doors require at least 3 hinges to meet UK fire door regulations. Spacing of fire door hinges - top hinge must be 120-180mm down from door head to top of hinge; bottom hinge must be 200-250mm up from door foot to bottom of hinge; middle hinge must be spaced from top and bottom hinges equal, or 200-250 mm below the top hinge. Positioning Hinges - Fire door hinges must be fitted with manufacturer's recommended steel screws (or no smaller than size 8) (3.8mm diameter) by 32mm long, threaded throughout.

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