Spiral Staircase Railing Height

0 in dia spiral staircases have 26 in.

Spiral staircase railing height.

Choose a height between 30 inches at the low end and 36 at the high end. Total height for rotation. Calculate spiral stair and circular stair geometry print spiral stair plan diagrams online free. Headroom minimum of 6 6 riser height cannot exceed 9 1 2.

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. 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. This is the distance from the center of the center support pole to the outside edge of the staircase.

Please review technical data sheet for additional information on measurements. Minimum stair diameter of 60 for a metal stair and 64 for a wood stair. Weland manufactures spiral staircases with a radius of 600 to 1500 mm. Within this range there are standard radiuses on even decimeters.

The staircase radius is the dimension from the staircase s centre to the outer edge of the handrail. Spiral staircase handrail true radius calculator enter actual rise of handrail for entered angle of rotation. Spiral stair building code compliance. The reason for this is that as all the treads are set to a near 30 degree angle.

The same measurement applies to all of the stair nosings thus resulting in a railing that is parallel to the stairs. 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. Measure the radius of the spiral staircase using your tape measure. This spiral staircase meets minimum 2015 irc requirements.

Of clear walking path. Stair railing height code measured vertically from the tread nosing shall be not less than 34 inches and not more than 38 inches handrail grip size type i handrails with a circular cross section shall have an outside diameter of at least 1 1 4 inches and not greater than 2 inches salter s standard circular handrail is 1 1 2 inch diameter. Step 2 measure up from the ground on each step to the desired height if there is no existing handrail on the staircase.