Fire Rated Door Stop Size

Fire ratings for doors are influenced by but not limited to the following items.

Fire rated door stop size.

20 gage door constructions are approved for smaller door sizes than what is shown above. Steel gage of the door example. In addition heavy fire doors may drop by a millimetre or 2 over time and so tight fitting doors will stop closing and need to be adjusted. A fire door is a door with a fire resistance rating sometimes referred to as a fire protection rating for closures used as part of a passive fire protection system to reduce the spread of fire and smoke between separate compartments of a structure and to enable safe egress from a building or structure or ship.

This could be achieved by fixing an addition 1 2 inch 12mm glued and screwed to the existing door stop. Frame or lining thickness would usually be tested. In north american building codes it along with fire dampers is often referred. The planted section should be fixed by pinning or gluing and pinning the stop to the frame.

How thick should my fire door frame or lining be. Door stops which assist the door in latching can be cut out of the solid frame a rebate is produced to form a stop for the door or planted. A note of warning hang the door first then fix the stops not the other way round.