The greatest tread depth within a flight of stairs cannot be more than 3 8 inch larger than the smallest tread depth.
Thickness of stair tread.
Standard stair tread dimensions.
Since wood stairs are the most popular material used in homes today here are three wooden stair tread specifications for your personal reference.
The strength of your stair treads needs to have a thickness that can effectively support a person going up and down the.
Tread face thickness with full 11 16 bull nose at front a c pie shaped stair tread d b.
Here is a drawing detailing our standard stair tread and riser dimensions.
I would like to build the new staircase using white oak treads would 3 4 or 7 8 thick treads in white oak with two stringers be sufficient.
Stair tread thickness as long as the span between stringers isn t too great 3 4 is fine kinda cheap unless it s finished oak i like 4x12 timber treads.
According to the ibc stair tread depths must be a minimum of 11 inches on rectangular stairs.
Riser and tread dimensions should be continuously uniform for safety.
Building codes limit variation to 3 8 10 mm the underside of risers should be sloped or have a 60 angle minimum between nosings and the horizontal surface open risers are not allowed under ada guidelines.
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.
The stair case is 36 wide.
I will build the new stringers out of 2x12 pine.
The old stair treads are just garden variety pine 1 5 thick cut from 2x10.
If the stair treads are.
In my opinion a tread that is too thick might also have a tread nose that is too thick and might be a trip hazard to people ascending the stair.
Note that there is no maximum stair tread thickness nevertheless very thick stair treads say using timbers greater than 1 1 2 thick typical 2x lumber thickness might be hazardous.
The actual thickness of the stair tread.