This chapter provides guidelines on door height and width based on the function of the structure.
Exterior door steps code.
For all non egress exterior doors the 2003 code update allows a 7 3 4 in.
Building codes keep stairways safe with rules that apply to the height and depth of each step support and handrails.
Code requirements for exterior doors are covered in chapter 10 of the ibc.
They may be block poured concrete wall or post footings.
Exterior doors as provided for in section 1003 5 exception 1 and section 1020 2 which are not on an accessible route.
Defects in masonry steps and landings outdoors sketches of exterior stair design requirements questions answers about exterior stair code specifications.
Building code for steps.
Doors shall be maintained self closing or shall be automatic closing by actuation of a smoke detector as provided for in section 4306 b.
Maximum 4 1 2 inch handrail projection into stairway width on either side.
Minimum 36 inch clear width for stairway.
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.
A door is permitted to open at the top step of an interior flight of stairs provided the door does not swing over the top step.
Screen doors and storm doors are permitted to swing over stairs or landings.
So this basically sums up the basic code requirements for residential stairs and their dimensions.
Building code enforcement personnel take stairway.
For example by allowing two steps up to a total of 15 1 2 in.
Summary of code requirements for residential stairs.
A top landing is not required where a stairway of not more than two risers is located on the exterior side of the door provided that the door does not swing over the stairway.
Exterior or outdoor stair railing guardrail landing tread and step specifications codes construction requirements for safe outdoor steps stairs railings newel posts outdoor stair railing safety hazards photos of defects.
Any of you that have tried to open your door with a bag of groceries and have had to back down a step or two to get the door open can.
Also the landing of the steps must be at least 36 inches from where it abuts lies adjacent to the house out to the first step.
Therefore let us recap on the residential stair code requirements.
Doors other than the required egress door shall be provided with landings or floors not more than 7 3 4 inches 196 mm below the top of the threshold.
The maximum transmitted temperature end point shall not exceed 450 degrees f above ambient at the end of 30 minutes of the fire exposure specified in u b c.