It will fit stairs up to 48 in.
Stair riser and tread size.
Take a look at the sketch of stair specifications.
Stair riser heights and stair tread depths should be within the parameters of the code to avoid any potential trip hazards for inconsistencies.
The tread is the horizontal section of each stair sometimes called the run.
Not all steps have a nosing but when.
All risers and all goings in the same flight of stairs shall be of uniform dimensions within a tolerance of 5 mm.
From stair treads stair railing and a complete selection of stair parts surewood lnl has what you need to make your stairs beautiful.
Open riser stair treads must be at least 1 1 2 thick because the tread not supported by a riser may otherwise split.
A uniform flight of stairs provides a safety factor.
Standard stair tread dimensions.
A landing is a platform between two flights of stairs.
Open riser stairs are allowed a back slope of at most 1 1 2.
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.
Building codes generally suggest that the maximum height of a riser be 7 75 inches 19 7 cm nosing.
It is also the approach space at the top and bottom of the stairs.
The section of the tread that overhangs the riser below.
Inconsistencies or variations in risers or treads could interfere with the rhythm of the individual using the stairs.
In width and accommodates tread runs up to 11 1 2 in.
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.
Open riser stair treads should be to 9 1 4 in depth and will typically be greater at shorter stair riser heights.
For convenience and flexibility this stair stringer calculator comes in two forms the automatic and manual click on the icons to determine the best calculator to use for your stairs.
Thickness and is sold unfinished allowing you to finish it to match other stair parts or decor.
This is the surface that the user steps on.
Stair details refer to the standard requirements for each of the various components of a flight of stairs.
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.
Here is a drawing detailing our standard stair tread and riser dimensions.
The number of risers not the number of treads is used to determine the number of steps that comprise a staircase.
It has a 1 in.
Harvard university lists typical tread sizes between 8 and 11 1 2 inches.
