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Introduction
Fire doors are an essential part of any building’s fire safety plan. They are designed to prevent the spread of fire and smoke throughout a building, providing a safe escape route for occupants and protecting property. One crucial component of a fire door is the hinge. In this article, we will discuss how to choose fire door hinges.
Considerations for Fire Door Hinges
When selecting fire door hinges, there are several factors to consider:
- Fire rating: The hinge must be rated for the same duration as the door itself. For example, if the door is rated for 60 minutes, the hinge must also be rated for 60 minutes.
- Load capacity: The hinge must be able to support the weight of the door. Check the manufacturer’s specifications to ensure the hinge can handle the load.
- Material: Fire door hinges are typically made of steel or brass. Steel is more durable and less expensive, while brass is more aesthetically pleasing but more expensive.
- Finish: The finish of the hinge should match the other hardware on the door. Common finishes include brass, chrome, and black.
- Number of hinges: The number of hinges required depends on the weight and size of the door. Heavier and larger doors will require more hinges to support them.
Installation and Maintenance
Once you have selected the appropriate fire door hinges, it is essential to install them correctly and maintain them regularly. Here are some tips:
- Follow the manufacturer’s instructions: Make sure to read and follow the installation instructions provided by the hinge manufacturer. Improper installation can compromise the door’s fire rating.
- Inspect regularly: Inspect the hinges regularly for signs of wear or damage. Replace any damaged hinges immediately.
- Lubricate: Lubricate the hinges regularly to ensure they operate smoothly. Use a high-temperature lubricant designed for fire door hinges.
- Don’t paint over the hinges: Painting over the hinges can interfere with their operation and compromise the door’s fire rating. If you need to paint the hinges, remove them first and paint them separately.
- Replace as necessary: If the door is damaged or modified in any way, the hinges may need to be replaced to maintain the fire rating.