ANSI/WDMA I.S.6A-21 -Industry Standard for Interior Architectural Stile and Rail Doors     

ANSI/WDMA I.S.6A-21 -Industry Standard for Interior Architectural Wood Stile and Rail Doors is a general industry standard that establishes expectations for the performance and aesthetic attributes of architectural wood stile and rail doors. The architectural wood stile and rail door standard is a voluntary industry standard based upon generally accepted industry practices used to provide guidance to architects, designers, and specifiers to clearly identify the aesthetic and structural performance of an interior wood stile and rail door for a particular opening. This standard describes the various functions and performance levels that are based upon the stile and rail wood door construction. Furthermore, the standard describes the manner in which aesthetics are primarily controlled by the species, veneer cut, matching of veneers and finish selected, or by the laminate selected.