Austral Building
Inspections

The shower recess that was never formed

A set down you can create for nothing before the pour, or cut for thousands after it.

Owner Inspections · Austral 2179 · 2026-02-03

In short: Recorded on an Austral slab: no recess where the bathroom was going.

What a recess is

A set down formed in the slab where a shower will sit, so the finished floor can fall to the waste without stepping up into the room.

What we recorded

A shower recess not formed at all before the pour, and separately recesses needing trimming and extension.

Why it cannot wait

Because the alternative is cutting a set down into a finished structural slab, which means saw cutting, dust, reinforcement you must not hit, and an engineer's view on what you have just done.

Why it happens

The formwork carpenter works from a plan, and a recess is a small detail on a big drawing. It is exactly the sort of thing an independent check exists for.

Timing

The day before the pour, alongside cover, steel and formwork.

Written by the Owner Inspections team from inspections carried out in Austral. Licensed building practitioners, NSW Fair Trading licence 366177C.

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FAQ

Questions Austral owners ask about this

Whose mistake is it?

The builder's to fix, as the party responsible for setting out to the plan. Establishing it before the pour makes that a non issue.

Could the plumber not just adjust?

Within limits, but a shower that steps up into the room is a compromise you would not have chosen and may not accept.

Are recesses always required?

It depends on the design and the waterproofing approach. What matters is that what was built matches what was drawn.

What else gets missed in formwork?

Incomplete edges and bracing, which we have also recorded on Austral pours.

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