Stairs (2/2)
March 22nd, 2011
Stairs calculation
Slope = (2 x raise height) + tread depthExample:(2x15) + 30 = 60˚
MAXIMUM MINIMUM MAXIMUM MINIMUM MAXIMUM MINIMUM
190 115 355 240 700 550
Raiser (mm) Tread (mm) Slope
Concrete stairs
Wooden stairs
Cut string stair with open risersClosed string stair with risers
Spiral stairs
Steel stairs