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Boundary wall fire resistance rating

By John Grant 1 October 2020, Build 180

Controlling fire spread between residential buildings and outbuildings is important for protecting life and property. We recap the requirements and look at an area of confusion – fire rating of windows and doors in walls close to a boundary.

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External fire spread on houses

By Ed Soja 1 April 2014, Build 141

When residential buildings have a wall less than 1 m (or sometimes 5 m) from the boundary, there are requirements for the boundary walls to have specific fire resistance ratings (FRR) and exterior surface finishes.

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