Spiral Staircase Railing Height

Total height for rotation.
Spiral staircase railing height. The same measurement applies to all of the stair nosings thus resulting in a railing that is parallel to the stairs. Calculate spiral stair and circular stair geometry print spiral stair plan diagrams online free. Step 2 measure up from the ground on each step to the desired height if there is no existing handrail on the staircase. Weland manufactures spiral staircases with a radius of 600 to 1500 mm.
The staircase radius is the dimension from the staircase s centre to the outer edge of the handrail. Most straight stairs have a typical riser height between 7 7 5 whereas spiral stair riser height has a maximum riser height of 9 5. Of clear walking path. The way this is measured is to begin at the leading edge of the stair nosing and run an imaginary vertical line upward until it reaches the top of the railing.
Please review technical data sheet for additional information on measurements. This is the distance from the center of the center support pole to the outside edge of the staircase. Headroom minimum of 6 6 riser height cannot exceed 9 1 2. Step 2 measure the height of the staircase using the same units as you used for the radius.
Handrail height on the stairs should be no less than 34 inches and no greater than 38 inches. Within this range there are standard radiuses on even decimeters. Use a level to make sure that the pencil reaches straight across the top of the railing to where you place the mark on the wall. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair.
Choose a height between 30 inches at the low end and 36 at the high end. Tread path between handrail and center column a minimum 26 center tread width 7 1 2 in from the narrow end of the tread d. The reason for this is that as all the treads are set to a near 30 degree angle. More product details close.
This spiral staircase meets minimum 2015 irc requirements. Spiral stair building code compliance. 0 in dia spiral staircases have 26 in.