Inconsistencies or variations in risers or treads could interfere with the rhythm of the individual using the stairs.
Standard stair tread and riser size.
A uniform flight of stairs provides a safety factor.
Definition of detailed specifications for open riser stairs.
Standard stair tread 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.
Additionally the riser measurement of all of the treads should be as close as possible to identical.
Stair details refer to the standard requirements for each of the various components of a flight of stairs.
1 or greater tread is supported by the riser.
Harvard university lists typical tread sizes between 8 and 11 1 2 inches.
Stair riser heights and stair tread depths should be within the parameters of the code to avoid any potential trip hazards for inconsistencies.
Name a z.
Details are at stair tread dimensions.
However the americans with disabilities act ada lists the minimum tread size as 11 inches which would be the effective minimum and likely the average size of the tread for any stairs built for public use.
8 1 4 to 9 stair tread thickness.
Here is a drawing detailing our standard stair tread and riser dimensions.
Stair tread run or horizontal depth.
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.