This British Standard specifies requirements for the design, fabrication and performance of steel-framed windows and glazed doors.
It is applicable to windows and doors fabricated into frames in a factory from mild steel profiles, hot-rolled or cold-formed, installed vertically into the external face of buildings, as single or multi-light units, in coupled assemblies when appropriate, of the following types:
a) fixed light;
b) side-hung open out or in;
c) top-hung;
d) bottom-hung;
e) horizontal pivot;
f) vertical pivot;
g) single-leaf hinged or pivoting door;
h) double-leaf hinged or pivoting door.
