At pp 82 83 the document notes that the minimum door widths according to risk profile and when minimum fire protection measures are provided are as given in the table below.
Minimum fire door width.
You may also hear this door size being referred to as a 2 9.
Metric sized internal doors are becoming increasingly popular and are now commonly used in scotland and europe.
A stair is the clear width between the walls or balustrades.
This is with the provisos that the total door width should be.
2040 x 526 626 726 826 926 x 40mm.
An escape route is the width at 1 500 mm above floor level when defined by walls or elsewhere the minimum width of passage available between any fixed obstructions.
Maximum doors size for fire ratings is influenced by but not limited to the following items.
A door or doorway is the clear width when the door is open see diagram c1.
Common options are 2040 x 526 626 726 826 926 x 40mm.
Metric standard door sizes.
Width of door leaves in revolving doors that comply with section 1010 1 4 1 shall not be limited.
Door openings to storage closets less than 10 square feet 0 93 m 2 in area shall not be limited by the minimum width.
The main difference between these and the standard uk sizes above are an increased door height of 2040mm and door thickness of 40mm.
A not less than the aggregate of the exit widths given in the table.
Door openings within a dwelling unit or sleeping unit shall be not less than 78 inches 1981 mm in height.
8 0 x 9 0 double door or pairs.
20 gage door constructions are approved for smaller door sizes than what is shown above.
The main difference being an increased door height of 2040mm and door thickness of 40mm.