Select and re calculate to display.
Spiral staircase dimensions metric.
The walkine is located 50 cm 20 from the inner handrail or in the centre if the stair width is less than 1m 40.
The walkline is located half way along the stair width method 3.
H the height of the staircase usually determined by the distance between the floors in your house.
Flat radius to handrail angle of rotation.
Z thickness of steps usually is a geometric parameter of the material e g.
The walkline is located 2 3 of the way along the stair width measured towards the inner handrail method 4.
Select an item on the right to compare relative dimensions to spiral staircase.
Spiral staircase dimensions what size do you need for a spiral stair.
The tread size min 10ins 25 4cm is dictated by the average adult foot size although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe.
D1 internal diameter this is the diameter of the central column.
As a custom shop we can build your stair to your specification so standard stair dimensions don t have to be so standard.
Stair width does not include handrails.
Dwg metric meters jpg.
D1 staircase overall diameter determined my the distance between end points of two steps which point opposite directions.
The walkline is located 50cm 20 from the outer handrail.
When you think of spiral stairs you might imagine round stairs with a beautiful 360 degree spiral that has a whimsical winding shape.
Each salter spiral stair is unique all the way down to its rotation.
Building codes generally suggest that stairs be at least 36 inches 91 44 cm wide.
Our spiral stair building code and ibc stair code specifications provide technical details about the different code and non code packages we offer for commercial and residential projects.
Running measurements vertically lower floor to top of each tread possible landing heights blue middle to calculate and display upper floor opening and stair head room enter upper floor thickness check the show head room check box and drag the head slider to calculate and animate diagram head room and floor opening.
The riser height max 7 ins 19 7cm is limited by the way in which we come down the stairs.
If you think about it you.
Decimal inch or metric mm.
Use our size comparison calculator to compare the dimensional properties of spiral staircase with other related elements from our database.
The requirements for spiral staircases in the uk are described in.
Spiral stair profile diagram with full dimensions spiral staircase handrail true radius calculator enter actual rise of handrail for entered angle of rotation.
A handrail is a railing that runs up a stair incline for users to hold when ascending or descending a staircase.
