The minimum rating of a fire door is now predominantly fd30 with intumescent seals being necessary to achieve this rating.
Fd20 fire door.
When fitted correctly this type of fireproof equipment provide vital protection to anyone inside a building giving time to either get to safety or to be rescued.
It is essential a fire door performs its vital.
Installing an internal fire door helps you prevent the spread of fire throughout your building and helps you have time to vacate safely.
I often get calls from people with fire door related questions and this call was from a new home owner with concerns about the standard of fire door installation at the three storey house he d just bought.
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.
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.
All of our firedoors are rated to fd30 offering 30 minutes fire resistance.
It used to be possible to specify fire doors offering a dual classification of twenty or thirty minutes.
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.
However certifiers of fire doors such as bwf and bm trada have over time ceased to certify fire doors to a fd20 stan dard.
These are designated fire resistance periods.
Other fire resistant periods exist but this note only considers these two classifications.
About fd20 and fd30 fire doors spot the difference.
A door rated as fd20 would be accepted as fd30 if fitted with intumescent seals.
In the past timber fire doors were available which when tested by the appropriate fire test method had met these fire resistant periods.
Fire doors help to prevent the spread of flames and smoke for up to 30 or 60 minutes in the event of a fire.
These fire door frames are as a discrete as the doors themselves offering a good looking and typical door lining.
This type of house has to have it s staircase protected by fd20 fire doors to aid safe escape from the top floor should a fire occur.
They are a specified part of a building s passive fire protection system.