According to building codes stair tread for wood stairs has to be anywhere from 1 to 1 in thickness.
Thickness of oak stair treads.
Our retrofit stair treads have a 1 thick bullnose with a 1 1 4 overhang.
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.
Standard stair treads are a full 1 thick.
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.
Our oak retrofit treads are 3 4 thick x 11 1 2 wide and have a 1 nose that overhangs the existing stair structure for remodeling or overlaying a staircase without removing the existing tread.
How to install oak stair treads and risers.
The body is 3 4 thick.
Oak stair treads oak stair treads are 1 thick x 11 1 2 wide and available in lengths from 36 to 96.
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.
If the stairs are open construction the stair tread must be a minimum of 1 5 inches 3 8 cm to support the weight.
There isn t one unifying rule for every kind of material stair treads may be built out of.
When it comes to other materials the thickness may differ.
This is because stair treads can be crafted from thick oak to think stainless steel.
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.