Fire Door Maintenance

Posted on March 5, 2019 in Building Maintenance

Fire doors

Fire doors are engineered products that provide life and property saving functions in the event of fire. It is important that they are regularly inspected and maintained to permit them to perform at their best on the one and only occasion when they are called upon to do so.

Due to the Grenfell disaster it is very important to have doors checked regularly & maintained as well as installed correctly.

Doorsets fitted with hold open devices or swing free type closers should be closed daily, particularly overnight in commercial properties when there is likely to be low building occupancy. For busy 24/7 buildings (e.g. hospitals) fire doors should be closed at least weekly. All fire doors should close effectively from any angle of opening, using only the door closer.

There are a number of reasons why doors may fail to close:-

  • Foreign bodies or other objects may be obstructing the door.
  • The smoke seals may be incorrectly fitted or damaged.
  • If a latch is fitted, it may be malfunctioning or require lubrication.
  • The closing device may need adjustment but this must only be done as a last resort and very carefully, to ensure that the door can be opened without undue force.
  • Poor fire door maintenance

As part of your fire door maintenance program intumescent seals should be checked regularly, at intervals not greater than 6 months, and damaged or missing ones replaced. To maintain the designated performance potential, replacement seals should be of the same brand, size and type as the original. Any intumescent seal of the same size as the original, however, is better than none.

Mechanical items such as hinges, locks, latches, closers, floor springs etc are likely to wear over time. Maintenance provisions should comply with the hardware supplier’s recommendations where these are known. Otherwise, locks and latches may require occasional light lubrication.
Some hinges use self-lubricating bearings that will not need additional lubrication.

Where it is necessary to replace worn hardware on a fire door, the essential items should be replaced with products to the same specification as the original where possible. Otherwise, hinges, latches, locks, flush bolts, closers and other items of load-bearing or securing hardware should be of the same type and size as the original items and should have been proven for use in timber fire rated doorsets of the required performance.

Hardware that has been successfully tested in metal doorsets may not be suitable for use with timber doorsets. Intumescent gaskets may have been used under hinge blades, locks/latches for end plates, strike plates, and/or with closer fittings and in flush bolt recesses. These gaskets should ideally be replaced if possible with gaskets of the same material; alternatively, if undamaged, they should be retained and reused with the new fittings. Intumescent gaskets or mastics used for these applications are usually the low pressure type. Redundant hardware should be carefully removed.

For information on our fire door services please call 0845 604 1288 and speak with one of our friendly team or visit Fire Door Maintenance.

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