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I
have a question about my riser height.
- I
set my risers to a height of 7-1/2 to
8 inches like a straight stair, but I am short on
treads. How come?
Remember, spirals are not straight stairs; they require
higher riser heights to work, typically in the range
of 8-7/8 to 9-1/2 inches.
Please check your paperwork or refer to the instructional
video or manual that came with your stair to determine
the proper riser height for your stair.
- How
do I calculate my riser height?
The paperwork included with your order will have the
riser height on it, but you will want to double-check
just to be safe. First, you remeasure your finished
floor to finished floor height. Then take that number
and divide it by the number of risers you have (treads
plus your landing); the result is your riser height.
For example, if you have a finished floor to finished
floor height of 108 inches and have a
12-riser stair, your riser height would be 9
inches. Please refer to the installation manual
and video for more information.
- Do
I have to make an allowance for my riser height if
I will be using wood tread coverings?
Yes, simply drop your landing the thickness of the
wood covering from the upper finished floor. Then
use your normal riser height, which you figured by
dividing your finished floor to finished floor height
by the total number of risers (treads plus landing),
for the entire installation. When you get to the bottom
tread, you will find that the distance from that tread
to the floor below is short the same thickness that
you dropped your landing above to allow for the wood
coverings. This will allow you to add the wood coverings
to all the treads and landing while keeping the riser
heights correct.
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