| As a building
contractor, situations where a door swings into a landing like the
picture above might look good on the building blueprints, but the
reality after the stairway has been built and the door installed can
create big problems for the owner of the building.
The building code requires that the door does not swing into half the
distance of the stairway, one the landing. In the picture above, I am
using a 36 inch wide landing and a 36 inch width for the upper and lower
stairs.
Example: Half the distance of 36 inches is 18 inches. Draw an 18 inch
radius, starting from the center of the upper and lower stairway and
then check to make sure that the door does not swing into this area.
Attention: Don't forget to check with your local
building department to verify any building codes on this website. This
information could be incorrect or outdated. Building codes are updated
regularly and to some building departments have different
interpretations for certain building codes.
The door swing clearance in landing building code, also applies to other
shapes and sizes of stair landings.
 
Stair Landing and Doorway Designing Tip: If you have a
36 inch stair landing and you're planning on using a 36 inch or wider
door, there is a very good chance that it won't meet this building code.
Either make the stair landing larger or get creative, but these are red
flags to experienced contractors, architects and designers.
Stair Landing
Minimum Widths
Stair
Landing Width and Doors
Maximum
Rise - House Door Swings In
Doors in Stair
Landings
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