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    Brick Dimensions & Bonds (Australia)

    Brick Dimensions & Bonds (Australia)SiteKiln

    230 × 110 × 76 mm — the standard Australian clay brick, and the 86 mm course that sets out the whole job. Plus the bonds you will be asked for.

    Standard brick (work size)

    Length × Width × Height230 × 110 × 76 mm
    Standard mortar joint10 mm
    One course (brick + joint)86 mm
    Why 86 mm mattersCoursing lines up with window heads and door openings on the 86 mm module

    Common bonds

    Stretcher (running)All stretchers — single-skin (110) walls; least waste
    EnglishAlternating header and stretcher courses — strong 230 wall
    FlemishHeaders and stretchers alternating within each course — 230 wall, decorative
    Reference only. Brick sizes vary by maker — and there are modular, double-height and slimline ranges — so confirm the actual work size before you set out.

    Sources: AS/NZS 4455 (masonry units) · AS 3700 (masonry structures) · Australian brick manufacturers

    SiteKiln provides general guidance only. This is not legal, tax, financial or professional advice. Always verify information and seek professional advice if unsure. © SiteKiln 2026

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