eXtensible markup language. XML is a file extension for an Extensible Markup Language (XML) file format used to create common information formats and share both the format and the data on the World Wide Web, intranets, and elsewhere using standard ASCII text. XML is similar to HTML.
The stair treads can also be ordered with a matching 3' x 5' or other size landing mat. For stair treads ranging anywhere from 24 inches wide to 36 inches wideor other custom sizes, turn to Dean Flooring Company.
minimum clear width of a stairway at or below the handrail, when one is required, is 31 Â½ inches, and 27. inches where two are required. Stair trim, stringers and other features may reduce the stairway width as. long as they do not extend beyond the allowable handrail projection. There is a width exception for. spiral stairways. The maximum riser height is 8 Â¼ inches and the minimum tread depth is 9 inches. Open risers are permitted provided the vertical opening between treads does not permit the passage of a. 4-inch-diameter sphere in stairways which have a rise exceeding 30 inches.