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Minimum Stair Clearance
The building code minimum stair clearance for headroom is 6 feet 8
inches.
Exception: Spiral staircases have a minimum headroom
clearance of 6'6".
Example: The minimum headroom clearance is measured from
the front of the stair tread nosing, to the bottom of the ceiling. It
can also be measured by placing a straight edge on top of the stair
treads. Look at the illustration of the two get a better idea of what
I'm talking about.
Over the years I have found that most architects building in tight
quarters and narrow building lots seem to have limited space for the
stairway design. This will require contractors to have the
foresight and experience to solve these problems before it is too late.
These are difficult problems to foresee before you start building.
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information could be incorrect or outdated.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.
Stair Guard Railing
Upper Guard Rail with 8 Inch Maximum Spacing
Baluster Spacing
Lower
Guardrail Problem
Baluster Spacing Building Code Gray Area
One Handrail
Entry Stairs
Gripable Handrail
Continuous
Stairway Handrailing
Lower Handrail
Extension
Upper Handrail
Extension
Gripable
Handrail Size
Gripable Handrail
Height
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