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Provides information and guidelines on the selection, performance and installation of metal roofing and wall cladding.

Specifies basic requirements for the bracing, connection and installation of nailplated timber roof trusses. Requirements are given for supporting structures, roof truss installation, roof bracing, truss connection and overhangs.

SA HB 39:2015 is amended as follows.

Sets out a consistent and reliable approach to the design and installation of external waterproofing membrane systems.

Sets out test procedures and criteria for the determination of fire-resistance of elements of building construction.

Provides a glossary of terms to be used in connection with fire testing; also refers to deprecated terms which should not be used in connection with fire testing.

Sets out a hot smoke test methodology by means of which a specified quantity of smoke may be generated, at a safe temperature, within a building.

Specifies requirements for the performance and construction of air filters for use in general ventilation and airconditioning systems. It classifies air filters on the basis of design, construction performance and application and establishes minimum criteria for acceptance of an air filter into a particular category. It does not apply to HEPA filters.

Sets out requirements for inspection, testing, preventive maintenance and survey of fire protection systems and equipment.

Specifies the classification of smoke-spill fans, and the laboratory test methods and procedures used to rate their performance (and that of their motors). Fans are rated in terms of their suitability to operate continuously without significant loss of performance, for a specified time at a specified air temperature. This Standard deals only with laboratory type-testing and does not consider the testing of smoke-spill fans after they have been installed in a building.