Harvard university lists typical tread sizes between 8 and 11 1 2 inches.
Staircase tread size.
Thickness and is sold unfinished allowing you to finish it to match other stair parts or decor.
This document provides building code specifications for stair treads.
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.
Here is a drawing detailing our standard stair tread and riser dimensions.
The tread size min 10ins 25 4cm is dictated by the average adult foot size although it is not necessary to be able to fit your entire foot on a tread in order for walking up the stairs to be both comfortable and safe.
Treads shall have a minimum live loading of 2 5 kpa or a 2 2 kn per linear metre or minimum point loading of 1 5 kn applied on 100mm 100 mm pad on each step whichever loading produces the more adverse effect.
It has a 1 in.
Sketches photographs and examples of defects used in inspecting the step design on indoor or outdoor stairs and their treads including the requirements for a projecting stair tread nose and the tread nose shape and dimensions.
In width and accommodates tread runs up to 11 1 2 in.
Typically there are three in a staircase.
A stair stringer is a structural member that supports the treads and risers of a staircase.
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.
It will fit stairs up to 48 in.
Stair tread dimensions measaurements step construction details code specifications.
Stair treads non slip carpet indoor set of 14 brown carpet stair tread treads stair rugs mats rubber backing 30 x 8 inch brown set of 14 by antdle 39 99 39.
Stairs landing shall have a minimum live loading of 2 5 kpa and minimum point loading of 1 1 kn applied on 100mm 100mm pad.
This page is part of the staircase design series.
Similarly handrails must be between 34 and 38 96 52 inches high measured from the top of the treads with a diameter between 1 25 inches 3 18 cm and 2 675 inches 6 79 cm.
Unit run is the horizontal measurement of from the front to the back of a single stair which is known as the tread standard code requires that each stair tread fall between 9 inches and 11 inches 22 9 cm and 27 9 cm to allow people to safely ascend and descend stairs.
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.
Standard stair tread dimensions.
From stair treads stair railing and a complete selection of stair parts surewood lnl has what you need to make your stairs beautiful.
Building regulations for stairs uk.
