Sub-Floor Framing
By George Giannakakis · M.Arch · RLA300580 · HIA Industry Judge
Last reviewed: · How we research
Sub-Floor Framing explained in detail
The structural framework that supports the floor of a building, typically consisting of bearers and joists. The sub-floor provides a stable surface for your finished floors and sits above ground level in raised floor constructions. Common in older Australian homes and sloping sites.
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The structural framework that supports the floor of a building, typically consisting of bearers and joists. Understanding the terminology upfront helps you compare builder quotes and read your Australian building contract with confidence.
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Verify against the binding rules in your state
BuildPilot is an independent Australian building platform, we publish guidance, we don't hold a building licence. Every Australian residential build must comply with the National Construction Code plus state-specific Acts and consumer-protection law. The authorities below are the primary sources of truth for the rules that actually apply to your project.
National
The primary national set of technical building standards that every Australian build must comply with. Volume 2 covers Class 1 & 10 buildings (most homes).
Specific material, product and method standards (e.g. AS 3700 masonry, AS 1684 timber framing) referenced by the NCC.
National peak body for residential builders. Publishes the most widely used home-building contracts and consumer guidance.
National peak body for general builders. Publishes commercial and residential contracts and industry guidance.
By state & territory
Links above open the public website of each authority. BuildPilot is not affiliated with these bodies and does not act on their behalf. Information on this page is general - check the current edition of the NCC and the relevant state Act for binding requirements.
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