When I got my Wesbank statement yesterday, it was pretty obvious that the format had changed. However, it was only once I compared the statement to my accounting record that the extent of the change became apparent.
â¦Tread Depth Lea esta pgina en espaol Tread Depth Tread depth is a vertical measurement between the top of the tread rubber to the bottom of the tire's deepest grooves. In the United States, tread depth is measured in 32nds of an inch.
Tread depth will determine the overall length of the stairs from the riser of the bottom step to topmost riser. Code says that minimum depth of tread, where you step, is no less than 10. For service steps that may work, I try for a depth between 10 1/2 and 11 is more comfortable for many people.