How to Guide
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Before you start 
Choosing the right staircase can seem daunting at first. How do I know it will fit my space?  What 
information do I need before ordering? How do I find the right Mylen spiral staircase for my vision? Have 
no fear! Just follow this helpful step by step guide to find the right stair for your project. We have design 
consultants and experienced product support teams at the ready to help you out if you ever get stuck, need 
more information or have any questions about the product. Mylen Stairs has been around for over 75 
years, so you can trust us to guide you through this process. Sit back, relax and have fun finding the right 
Mylen spiral staircase stair for you! 
What measurements and considerations do I need before I pick a 
stair? 
Finished Floor-to-Floor Height 
The most important measurement that you will need to know for 
how to build a spiral staircase is your finished floor to finished floor 
height. An accurate floor to floor height is the first step to starting 
your project. Your finished floor-to-floor height will determine how 
many steps, or treads, are in your stair and the rotation of your spiral 
stair. 
You can measure your floor to floor height by starting at the bottom 
floor where you will be installing the stair. From here, measure up to 
the finished floor and include any sub flooring or carpeting for the 
most accurate measurement. Once you have that measurement, 
check out the chart on the next page to find your corresponding tread count. 









