STAIR LAYOUT EXAMPLES
Stair Layout Definitions
y
(Rise):
The
“floor-to-floor”
or
“landing-to-landing”
Rise
is
the
actual
vertical
Rise
required
for
building
a
stairway
after
the
finish
flooring
has
been
installed.
x
(Run):
The
Run
of
a
stairway
is
the
amount
of
horizontal
space
required.
The
total
Run
of
a
stairway
is
equal
to
the
width
of
each
Tread
multiplied
by
the
number
of
Treads.
Desired
Riser
Height:
The
desired
Riser
height
is
the
amount
of
vertical
Rise
you
allow
for
each
individual
Riser
in
the
stairway.
This
is
sometimes
dictated
by
local
code.
Actual
Riser
Height:
The
actual
height
of
each
Riser
is
measured
from
the
top
of
one
Tread
to
the
top
of
the
next
Tread.
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