I.S.6A-13 Industry Standard for Architectural Stile and Rail Doors is a general industry standard that establishes expectations for the
performance and aesthetics of architectural wood stile & rail doors.
These combine in producing a wood stile and rail door for a particular
opening. Function and performance are primarily controlled by the wood door
construction. Aesthetics are primarily controlled by species, veneer cut,
matching of veneers and finish selected. WDMA standards require the
designation of a performance duty level in addition to an aesthetic grade.
Performance duty levels are based on the amount and severity of use. There
are three levels of duty based on performance values of eight different
attributes as defined in Section P. It is the responsibility of the specifier
to select the duty level for each application. Define the aesthetic grades
and performance duty levels of architectural wood stile and rail doors
available through this standard. Provide general information, standards, and
tests that will ensure all products complying with this standard can be
evaluated on an equal basis. Provide a logical, simple system of references,
keyed to guide specifications, which will enable the architect to specify
wood stile and rail doors thoroughly, precisely, and accurately. Provide information
necessary for the specifier to identify products and by which products are to
be evaluated. This standard applies to architectural wood stile and rail
doors intended for interior application. Doors specified to meet this
standard are not recommended for exterior use.
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