BALUSTERS / TREAD / RISER
The tread is the horizontal surface and the riser is the vertical surface located between treads (Tucker, 2015). Balusters are the vertical members support the handrail of a staircase (Bhatia, 2012). Tread Depth : minimum 11” Riser Heights : 4” - 7” Gap Between Balusters : minimum 4”
