Sliding Door Landing Code

R311 7 6 landings for stairways.
Sliding door landing code. These landings must be no more than 8 inches below the interior floor level. If the door swings out over the landing this dimension is 1 inch maximum. Building codes for exterior doors. The exterior landing or floor shall not be more than 7 inches below the top of the threshold provided the door does not swing over the landing or floor.
These landings shall be as wide as the door and a minimum of 36 inches in the direction of travel. Regardless of the occupant load there shall be a floor or landing on each side of a door. Exterior doors in homes and businesses not only provide security but they also serve as a vital means of egress during a fire or other emergency. Landings or finished floors at the required egress door shall be not more than 1 1 2 inches 38 mm lower than the top of the threshold.
The floor or landing shall be no more than 1 inch lower than the threshold of the doorway. Where a door opens over a landing the landing shall be at least as wide as the door and at least 5 feet long. This allowance provides some design flexibility. Step down on the interior and up to two steps down to the landing on the exterior regardless of which way the door swings it can only swing over one step.
There shall be a floor or landing at the top and bottom of. All exterior doors shall have a landing immediately on the exterior side.