Timber windows and doorsets. Fully finished factory-assembled windows and doorsets of various types. Specification best-seller It also establishes the test

It also establishes the test methods used to evaluate the compliance with the requirements

— fully-involved fires

It applies to extruded products supplied without further surface treatment

the test procedures are grouped into three categories:

Timber windows and doorsets. Fully finished factory-assembled windows and doorsets of various types. Specification best-seller It also establishes the test1 Scope This British Standard specifies requirements for the design, construction and performance of fully finished and glazed factory assembled timber windows and external pedestrian doorsets of various types. This British Standard applies to windows and doorsets that have been treated with either opaque or non opaque finishes or that are designed to support an externally fixed covering of another material, and that have been factory glazed. It does