Does Australia have its own floor flatness standard?

No. There is no Standards Australia document equivalent to the UK's TR34 or the US FF/FL system. Australian floor-survey firms test to those imported specifications instead.

Does AS 1170 cover floor flatness?

No. AS 1170 is the structural design actions series, covering loads like wind and seismic action on a structure. It does not address surface flatness or levelness at all.

Is AS 3610 Australia's version of TR34?

No. AS 3610 sets tolerance classes for off-form concrete surface finish, a formwork and architectural question, not a warehouse traffic-performance specification the way TR34 is.

Do the state Guides to Standards and Tolerances cover this?

They address floor levelness as a building defect-liability threshold for dispute resolution, not as a materials-handling performance standard — a genuinely different question from whether a truck can run safely on the floor.

What should I ask for if I need my floor's flatness measured?

Ask which imported classification system the survey is being run against — TR34, FF/FL or DIN — and which edition, since Australian firms use these rather than any local scheme.

Floor flatness and levelness: the standard Australia does not have

The UK measures warehouse floor flatness against TR34. The US uses the FF/FL system. Australia has neither of its own, and the gap is wider than most operators realise — including the false but common claim that AS 1170 fills it.

Last updated 2026-08-24

What flatness and levelness actually measure

Flatness and levelness are two related but different properties of a poured floor. Flatness is about local bumps and dips over a short distance — will a wheel rock as it crosses a small high or low spot. Levelness is about the floor's overall trueness over a longer distance — does the floor gently rise or fall across an aisle. A slab can pass one and fail the other, which is why a proper survey reports both rather than a single pass-or-fail number.

The UK's TR34 system (from the Concrete Society) and the US ACI/ASTM FF/FL "F-number" system are the two internationally recognised ways of measuring and classifying this, aimed squarely at the question that matters to a warehouse: will materials-handling equipment run safely and smoothly on this floor, particularly in a guided aisle. They are different measurement philosophies, but they exist for the same reason.

Flatness is a property of the finished surface, not of the slab type underneath it — a slab-on-ground and a suspended slab can each be poured flat or poured badly, so knowing your slab type does not by itself answer this question.

The finding: Australia has no equivalent of its own

There is no Standards Australia document that does what TR34 or FF/FL do — a purpose-built, traffic-classified flatness and levelness specification for industrial and warehouse floors. What exists instead are documents that address a related but genuinely different question.

Every state and territory publishes a "Guide to Standards and Tolerances." These guides do cover floor levelness, but as a residential and general building defect-liability threshold: is this new floor defective enough that the builder is obliged to fix it. That is a consumer-protection dispute-resolution question, not a materials-handling performance specification, and it was never built to answer whether a very narrow aisle truck can run safely down a guided lane.

Refuting the AS 1170 claim, plainly

A claim worth correcting directly because it circulates in the industry: AS 1170 does not cover floor flatness. AS 1170 is the structural design actions series — wind loads, earthquake loads, permanent and imposed actions on a structure. It has nothing to do with the surface trueness of a poured floor, and citing it as Australia's flatness standard is simply wrong. Like every entry in the standards this site cites, AS 1170 answers one specific question, and flatness is not the question it was written to answer.

AS 3610 is closer but still a different question. It sets tolerance classes for off-form concrete surface finish — an architectural and formwork-execution standard concerned with the visual and dimensional accuracy of formed concrete generally, not with whether a loaded truck can travel a guided aisle without rubbing the racking either side of it. Treating AS 3610 as a warehouse-flatness standard is a genuine, checkable error.

What Australian industry actually does about it

The strongest evidence of the gap is what practitioners do in practice. Floor-survey firms operating in Australia advertise testing performed to TR34, to the American F-number system, or to the German DIN system, explicitly naming them as overseas standards rather than an Australian one. If a dedicated Australian scheme existed and were in active use, this is exactly the kind of page where it would be named instead — and it is not.

That matters directly for anything that needs a genuinely accurate floor, most obviously narrow-aisle racking, a VNA truck running a fixed guided path, and any automated system that runs on a fixed guided path. The practical takeaway is not that Australian floors are unmeasured — it is that whatever flatness figure you are given will have been produced against an imported classification, and it is worth asking which one, and against which edition, before comparing two quotes. A joint that has already started curling, covered in how joint edges spall, is one of the more common ways a previously acceptable flatness result drifts out of tolerance over time.

Common questions

Does Australia have its own floor flatness standard?: No. There is no Standards Australia document equivalent to the UK's TR34 or the US FF/FL system. Australian floor-survey firms test to those imported specifications instead.
Does AS 1170 cover floor flatness?: No. AS 1170 is the structural design actions series, covering loads like wind and seismic action on a structure. It does not address surface flatness or levelness at all.
Is AS 3610 Australia's version of TR34?: No. AS 3610 sets tolerance classes for off-form concrete surface finish, a formwork and architectural question, not a warehouse traffic-performance specification the way TR34 is.
Do the state Guides to Standards and Tolerances cover this?: They address floor levelness as a building defect-liability threshold for dispute resolution, not as a materials-handling performance standard — a genuinely different question from whether a truck can run safely on the floor.
What should I ask for if I need my floor's flatness measured?: Ask which imported classification system the survey is being run against — TR34, FF/FL or DIN — and which edition, since Australian firms use these rather than any local scheme.

Sources

CoGri Australia — Floor Flatness Surveys — An Australian floor-survey firm advertising testing to TR34, DIN and F-min standards — direct evidence of the imported-standard pattern.
MiTek Australia — GN Guideline No. 251, "When is 'flat' flat enough?" — Tabulates each state's building-tolerance guide and the general AS 3600 structural-tolerance clause referenced for flatness disputes.
The Concrete Society — Floor surface regularity — Explains the TR34 flatness (Property F) and levelness (Property E) measurement system this page contrasts Australia against.

Part of our guide to concrete, steel and coatings.