The guidance recommends doors with a fire resistance period of 20 minutes fd20 in some instances and 30 minutes fd30 in others.
Fd20 fire door.
If you own a commercial or non domestic property there are strict regulations and guidelines to follow ensuring the doors can withstand certain heats.
It used to be possible to specify fire doors offering a dual classification of twenty or thirty minutes.
Installing an internal fire door helps you prevent the spread of fire throughout your building and helps you have time to vacate safely.
In the distant past it was possible to obtain a fire door that had a dual classification.
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.
To achieve an fd20 rating without intumescent seals however required extremely careful fitting of door leaf within their frames.
Fire doors are installed in a building to save lives and property in the event of a fire.
It is essential a fire door performs its vital.
It was also possible to obtain a fire door that had a dual classification.
They are a specified part of a building s passive fire protection system.
The minimum rating of a fire door is now predominantly fd30 with intumescent seals being necessary to achieve this rating.
However certifiers of fire doors such as bwf and bm trada have over time ceased to certify fire doors to a fd20 stan dard.
Fire door frames and linings are essential to a complete fire door system as if the frame gives way quickly to fire then the fire can escape around the door rendering the bulk of the door itself useless.
A door rated as fd20 would be accepted as fd30 if fitted with intumescent seals.
The performance of fd30 fd60 fd90 fd120 fire doors is assessed by stress testing them in conditions specified in british standards 476 part 22 1987.
In the past timber fire doors were available which when tested by the appropriate fire test method had met these fire resistant periods.
An extensive range of fire doors available in various finshes to match your home or business.
All of our firedoors are rated to fd30 offering 30 minutes fire resistance.
All of our fire doors are designed and custom made to your exact specifications and are manufactured to both uk european standards for fire resisting door assemblies.
Other fire resistant periods exist but this note only considers these two classifications.
