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BS 3947:1976 also requires that the chlorine content of the vaporised liquid be no less than 99
— fully-involved fires
Who is BS EN 990 - Corrosion protection of reinforcement in ACC and LAC for
the test procedures are grouped into three categories:
It also establishes the test methods used to evaluate the compliance with the requirements
Timber windows and doorsets. Fully finished factory-assembled windows and doorsets of various types. Specification best-seller BS 3947:1976 also requires that1 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