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Group numbers explained: Specifying wall and ceiling linings to meet NCC fire rating requirements

In the aftermath of the Lacrosse, Neo200 and Grenfell Tower fires, Australia has developed some of the most stringent fire safety regulations in the world. It is the responsibility of all design and construction professionals to have a detailed understanding of the fire rating requirements in the National Construction Code, not just for external cladding materials but also internal wall and ceiling linings.
Architecture & Design Team
Architecture & Design Team

10 Oct 2022 2m read View Author

In the ever-changing regulatory landscape, it is the responsibility of all design and construction professionals to have a detailed understanding of the fire rating requirements in the National Construction Code (NCC), not just for external cladding materials but also internal wall and ceiling linings. However, between Fire Resistance Levels, Fire Hazard Properties and the other fire safety requirements in the NCC, it is not always clear what fire testing standards apply, and when.

Group numbers explained: Specifying wall and ceiling linings to meet NCC fire rating requirements provides a concise, easy-to-follow guide to Fire Hazard Properties, Group numbers and their impact on your choice of wall and ceiling linings. We look at how Fire Hazard Properties and Group numbers relate to the broader objectives of fire-safe building design. We explain what Group numbers are, what building elements they apply to, and how products can be tested so as to obtain a Group classification. We then discuss the differences between Group numbers, and other fire ratings in the NCC. Finally, we look at how to ensure a building product has a valid Group number.

Since 1985, Keystone Linings have been the pioneers in manufacturing acoustic panels. The company continues to be the industry leader supplying commercial and private venues where sound-proofing and acoustics are of paramount importance, including fire-rated products for specification in a range of indoor applications.

Download this whitepaper for a specifier’s guide to fire hazard properties and group numbers for wall or ceiling linings.

Group numbers explained: Specifying wall and ceiling linings to meet NCC fire rating requirements
Group numbers explained: Specifying wall and ceiling linings to meet NCC fire rating requirements

Download this whitepaper for a specifier’s guide to fire hazard properties and group numbers for wall or ceiling linings.

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