Donnybrook Building
Inspections
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Waterproofing inspection in Donnybrook

The membrane is the only barrier between a shower and the frame behind it, and it is under tile within days of being applied.

  • Once the membrane is on and cured, before tiling starts
  • About 1 hour on site
  • Report within 24 hours
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Fully licensed & accredited

Stage6 of 7
When to bookOnce the membrane is on and cured, before tiling starts
Time on siteAbout 1 hour on site
Inspected againstAS 3740 (waterproofing of domestic wet areas), AS 3958 (tiling), NCC Volume Two Part 10.2

What is included in a Donnybrook waterproofing inspection

  • Membrane coverage across the floor and up the walls
  • Wall upturn heights at the shower and against hobs
  • Hob, threshold and step-down details
  • Bond breakers at wall and floor junctions
  • Floor waste flange bedded and sealed to the membrane
  • Falls to the floor waste and shower screed
  • Penetrations for taps, wastes and shower rails sealed
  • Membrane cure, damage and coverage before tiling
  • Primer and substrate preparation where visible
  • Set-down depth against the finished floor level
  • Junctions to baths, screens and vanities
  • Laundry, powder room and ensuite treated to the same standard
Why it matters here

Waterproofing inspections on Donnybrook builds

Wet area failure is the most expensive thing to repair in a finished home, because getting back to the membrane means removing the tiling and often the lining.

What we find at this stage in Donnybrook

  • Membrane coverage short at wall junctions
  • Hob and recess not formed as required
  • Falls to waste not established
  • Bandage not integrated at internal corners
  • Penetrations not sealed before tiling
Sample findings

Sample defects found during our waterproofing inspections in Donnybrook

Annotated findings from Waterproofing inspections on Donnybrook builds. Client addresses withheld.

Window rubber flashings not seated correctly against the cladding, recorded during a fixing and waterproofing inspection in Donnybrook
Window rubber flashings not seated correctly against the cladding

The other stages of a Donnybrook build

  1. Bored piers inspection in Donnybrook1Bored piersOnce holes are bored and cages placed, ahead of any concrete
  2. Slab pre-pour inspection in Donnybrook2Slab pre-pourThe day before the pour, with pods, steel and formwork still open
  3. Frame inspection in Donnybrook3FrameAfter frame and trusses are up and the roof is on, before sarking
  4. Lock-up (pre-plaster) inspection in Donnybrook4Lock-up (pre-plaster)Once roof, cladding and external doors are on, before plaster arrives
  5. Fixing inspection in Donnybrook5FixingAfter mouldings, doors and joinery, before the painter
  6. Pre-handover (PCI) inspection in Donnybrook7Pre-handover (PCI)About a week ahead of your practical completion date

All construction stage inspections in Donnybrook →

Guides

Construction stage guides for Donnybrook

All guides →

Book a waterproofing inspection in Donnybrook

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FAQ

Waterproofing inspections in Donnybrook: common questions

Why not leave it until handover?

By handover it is under tile, and assessing it means removing that tile.

Which standard governs it?

AS 3740 for waterproofing of domestic wet areas, together with the NCC.

Do you carry out a flood test?

No. Flood testing is intrusive and sits with the waterproofer, not with us.

Does this sit apart from the fixing stage?

In Victoria the two are usually combined as fixing including waterproofing, and we can attend for either.

What if tiling has begun?

Tell us, because the value drops sharply once tile is down.

Who corrects a membrane defect?

The waterproofer, before tiling. Cheap now, expensive afterwards.

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