There isn t one unifying rule for every kind of material stair treads may be built out of.
Thickness of oak stair treads.
Retrofit stair treads also known as retreads are made to fit over your existing stairs.
Most building codes specify that the minimum thickness of a tread is 1 inch 2 54 cm if supported by a riser along the front.
This is because stair treads can be crafted from thick oak to think stainless steel.
From stair treads stair railing and a complete selection of stair parts surewood lnl has what you need to make your stairs beautiful.
What is the proper thickness for stair treads.
The body is 3 4 thick.
When it comes to other materials the thickness may differ.
Our retrofit stair treads have a 1 thick bullnose with a 1 1 4 overhang.
Returns are 1 1 4 wide and extends 1 1 2 past back side of the tread.
Solid red oak layers on both top and bottom are 1 8 in.
As you may have noted from the sketches and text above typically building codes for stairs specify minimum stair tread thickness 1 if supported by a riser at front or 1 1 2 thick treads if the stairs are open construction without risers but they do not specify a maximum allowable tread thickness.
How to install oak stair treads and risers.
According to building codes stair tread for wood stairs has to be anywhere from 1 to 1 in thickness.
If the stairs are open construction the stair tread must be a minimum of 1 5 inches 3 8 cm to support the weight.
Thick treads provide stability for the stair and are intended to be used with risers can be finished to match other stair parts or interior decor.