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The requirements for masonry articulation joints are contained in the 2019 National Construction Code (NCC).
Where articulation is beside a window, it must extend from the damp-proof course, along the edge of the window to the top of the brickwork or soffit.
Joints must have a width of at least 10mm and must be adequately weatherproofed.
Builders should consult with their window suppliers during the specification and/or design stage to ensure joints are suitably flashed.
Note that articulation joints are not required on sites with A and S soil classifications.
Brisbane City Council has now published further information about changes to siting variations which can be found at: https://www.brisbane.qld.gov.au/planning-and-building/do-i-need-approval/types-of-approval/building-near-the-boundary