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.
Internal garage fire door regulations.
Building regulations stipulate that fire doors are required in the following key areas for domestic properties.
Only common walls between garage and house not perpendicular walls must meet this requirement.
We recommend that the door between garage and residence should be equipped with a self closing device although no longer required by the irc and fbc.
And replaces the old door to the garage with a hollow core interior door.
Every few years there is a news story in florida about someone usually an older.
The door from an integral garage into the house should be a fd30 self closing door ie 30 minutes separation.
The reason the inspector wants to see the tag is because then they know it is a 20 minute fire rated door and meets one of the choices for type of door for garage house fire separation.
The second number represents how long the door should not increase in temperature in the presence of fire.
Doors to individual hotel or motel units shall operate similarly except that when the bolt and unlatching operation is key operated from corridor or exterior side of the unit door large bow keys 2 inch full bow or 1 1 4 inch half bow shall be provided in lieu of lever type hardware on the corridor side.
Electric locks used on fire doors must be fail safe never fail secure that is the doors will automatically unlock during a fire to save lives rather than remain locked to protect property.
These are the only doors inside a dwelling that require self closing doors garage floors should also be sloping outwards or at least 100mm lower at these doors to prevent fuel spillage leaking in to the home.
It is not likely that any raised panel 1 3 8 door will ever have such a rating or qualify for proper garage house fire separation.
You also need to check the floor of the garage which is detailed on the same page.
When there is a living area habitable space above the garage the ceiling requirement ramps up to 5 8 type x fire rated drywall.
Both kinds of doors mentioned are designed to stay cool for 30 minutes.
If a garage is detached but within 3 feet of the residence any walls within 3 feet must have 1 2 drywall.
Internal doors to integral garages should be fd30 fire doors and include smoke seals and self closing devices.
The magnetic hold must be tied to the fire alarm so the door will close automatically during a fire.
A door with a 20 minute fire rating.