Standard Stair Tread And Riser Dimensions

All risers and all goings in the same flight of stairs shall be of uniform dimensions within a tolerance of 5 mm.

Standard stair tread and riser dimensions.

These dimensions may be useful when laying out a staircase or if you have general questions about the size and shape of a traditional tread or a retro tread. 1 or greater tread is supported by the riser. Name a z. Width refers to the length of risers and treads from side to side.

Stair riser height and stair tread depth. Stair riser heights and stair tread depths should be within the parameters of the code to avoid any potential trip hazards for inconsistencies. Regulated by building codes stair details specify the sizes of risers and treads stair widths the placement of handrails and guardrails and construction methods for fabricating stairs. 8 1 4 to 9 stair tread thickness.

Headroom is the vertical dimension from the stair treads to the ceiling directly above. Here is a drawing detailing our standard stair tread and riser dimensions. A uniform flight of stairs provides a safety factor. For code requirements the minimum staircase width is the horizontal dimension between the sidewalls of a staircase measured above the handrail s.

Definition of detailed specifications for open riser stairs. Inconsistencies or variations in risers or treads could interfere with the rhythm of the individual using. Stair tread run or horizontal depth. Details are at stair tread dimensions.

Except where there is a fixed structure within 100 mm of the stairway stile stairways and stairway landings shall be provided with guardrailing on any exposed side. Required 1 to 1 1 2 projection beyond the riser face. It is measured.