The stairway enclosure throughout should be constructed to be fire resistant for at least 30 minutes with fd20 rated fire doors which are resistant for at least 20 minutes to all habitable rooms along it.
Building regulations fire doors domestic.
1 mental penal or corrective institutions where supervisory personnel is continually on duty and effective provisions are made to remove occupants in case of fire or other.
Overall a fire rating can range from 20 minutes to three hours but keep in mind that 20 minute doors are designed to block smoke rather than flames.
Exit doors shall be openable from the direction of exit travel without the use of a key or any special knowledge or effort whenever the building is occupied.
The building standards technical handbooks provide guidance on achieving the standards set in the building scotland regulations 2004.
For a typical two storey domestic home the building regulations require that where the property has an integral garage the door between the main property and the garage normally kitchen or utility should be a fd30 fire door 30 minute fire resistant and include smoke seals and self closing device it is also recommended that the garage floor be at least 100mm lower than that of the property to prevent any fuel spillage entering the main property.
It is vital that all the properties have fire doors with smoke seals leading to that common area.
So in apartment buildings where tenants will have to use the same stairwell to get to safety in case of a fire.
Building standards technical handbook 2019.
A 2 storey house which has a door leading from an integral garage into the house new build or renovated domestic properties which have 3 or more storeys including loft conversions must have fire doors to every habitable room off the stairwell.
External doors and windows may need to have fire resistance and in the case of doors be self closing or in the case of windows be fixed shut to limit the risk of fire spread between adjacent properties.
This handbook applies to a building warrant submitted on or after 1 october 2019 and to building work which does not require a warrant commenced from that date.
The door is part of a fire assembly.
Double acting doors shall not be used as exits when any of the following conditions exist.
The rating requirements for each type of door and wall in a building are set by a fire marshal or by building codes.
The official regulations recommend smoke seals on fire doors that lead to escape routes.
Building regulations stipulate that fire doors are required in the following key areas for domestic properties.
Self closers on these fire doors are no longer a requirement.
The door is part of a smoke and draft control assembly.