Rouse Hill Building
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Waterproofing inspection in Rouse Hill

The wet area membrane checked while it is the top layer, before screed and tiles hide it for good.

  • Membrane down and cured, tiles not started
  • About 1 hour on site
  • Report within 24 hours
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Fully licensed & accredited

Stage6 of 7
When to bookMembrane down and cured, tiles not started
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 Rouse Hill waterproofing inspection

  • Substrate clean and primed before membrane
  • Membrane bonded, not peeling or lifting
  • No nails or screws through the membrane
  • Pinholes and thin patches found
  • Bond breaker at wall and floor junctions
  • Bond breaker at the bath lip
  • Water stop angle under each wet area door
  • Puddle flanges fitted at floor wastes
  • Membrane height up shower walls
  • Pipe penetrations sealed in the membrane
  • Screed not laid before inspection
  • Membrane covered against following trades
Why it matters here

Waterproofing inspections on Rouse Hill builds

On Rouse Hill homes our waterproofing visits have found membranes painted over slabs that were never cleaned, membranes lifting off the substrate, pinholes in shower recesses, nails driven through the membrane, and no bond breaker at the bath lip. On one job the screed had already been laid over the membrane, so it could not be inspected at all. Several bathrooms per house make this stage worth booking.

What we find at this stage in Rouse Hill

  • Membrane over a dirty substrate, or not bonded
  • Nails and pinholes through the membrane
  • No bond breaker at junctions or the bath lip
  • Water stop angles missing at doorways
  • Screed laid before the membrane was inspected
Small pinholes in the shower recess membrane that water can pass through, found during a fixing stage inspection in Rouse Hill
Small pinholes in the shower recess membrane that water can pass through
Membrane peeling away easily because it has not bonded to the slab, found during a fixing stage inspection in Rouse Hill
Membrane peeling away easily because it has not bonded to the slab
Floor waste with no puddle flange to connect it to the membrane, found during a waterproofing inspection in Kellyville
Floor waste with no puddle flange to connect it to the membrane, Kellyville
Sample findings

Sample defects found during our waterproofing inspections in Rouse Hill

Annotated findings from Waterproofing inspections.

Nails poking through the shower recess membrane, puncturing the waterproofing, found during a waterproofing inspection in Rouse Hill
Nails poking through the shower recess membrane, puncturing the waterproofing
Membrane laid over a slab that was not cleaned, with dirt trapped beneath, found during a fixing stage inspection in Rouse Hill
Membrane laid over a slab that was not cleaned, with dirt trapped beneath
No bond breaker where the bath lip meets the wall and floor, found during a waterproofing inspection in Rouse Hill
No bond breaker where the bath lip meets the wall and floor
No water stop angle under the wet area doorway to hold water in, found during a fixing stage inspection in Rouse Hill
No water stop angle under the wet area doorway to hold water in

The other stages of a Rouse Hill build

  1. Bored piers inspection in Rouse Hill1Bored piersBores drilled and cages set, before concrete is ordered
  2. Slab pre-pour inspection in Rouse Hill2Slab pre-pourSteel tied and pods placed, the day before the pour
  3. Frame inspection in Rouse Hill3FrameFrame, trusses and roof bracing up, before sarking and lining
  4. Lock-up (pre-plaster) inspection in Rouse Hill4Lock-up (pre-plaster)Roof, walls, windows and external doors on; rough in done; no plaster
  5. Fixing inspection in Rouse Hill5FixingJoinery, doors and trims in; painter not yet started
  6. Pre-handover (PCI) inspection in Rouse Hill7Pre-handover (PCI)Builder has called practical completion, final claim unpaid

All construction stage inspections in Rouse Hill →

Guides

Construction stage guides for Rouse Hill

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FAQ

Waterproofing inspections in Rouse Hill: common questions

What standard applies to wet area waterproofing?

AS 3740 for domestic wet areas, together with the National Construction Code and the manufacturer's instructions for the membrane used.

Why is a bond breaker needed at junctions?

A flexible strip or sealant at junctions that lets the membrane move without tearing as the building moves.

Is the membrane tested?

We inspect it visually and by touch for adhesion, pinholes and coverage. Flood testing is not part of the visit.

What if screed is already down?

Then the membrane cannot be seen and the report says so. Ask the builder for their waterproofer's certificate and photographs.

How many wet areas are covered?

All of them in the house: bathrooms, ensuites, laundry and powder room.

How long does a membrane check take?

Usually under an hour.

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