Leppington Building
Inspections
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Waterproofing inspection in Leppington

The membrane inspected while it is still a membrane and not a floor.

  • After the membrane is applied and before any tile is laid
  • About 1 hour on site
  • Report within 24 hours
Price your Leppington inspectionSend the address and the stage.

Fully licensed & accredited

Stage6 of 7
When to bookAfter the membrane is applied and before any tile is laid
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 Leppington 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 Leppington builds

Wet area rectification is the most expensive defect category in a new home, because putting it right after tiling means dismantling the room. The Leppington wet area work we hold is general membrane coverage photography rather than a catalogue of failures, which is a fair outcome and worth stating plainly. What we look for does not change: coverage and height, terminations, falls to the waste, and the junctions where a continuous layer stops being continuous.

What we find at this stage in Leppington

  • Membrane coverage short of the required height
  • Terminations stopping short at walls and doorways
  • Falls not directing water to the waste
  • Junctions and penetrations not sealed
  • Membrane damaged or unprotected before tiling
Shower recess needing extension, Leppington
Shower recess needing extension
Sample findings

Sample defects found during our waterproofing inspections in Leppington

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

Waterproofing general view, recorded during a fixing stage inspection in Leppington
Membrane coverage across a wet area
Waterproofing general view, recorded during a fixing stage inspection in Leppington
A second wet area membrane
Waterproofing, recorded during a fixing stage inspection in Leppington
Waterproofing detail before tiling
Waterproofing, recorded during a fixing stage inspection in Leppington
Further waterproofing detail

The other stages of a Leppington build

  1. Bored piers inspection in Leppington1Bored piersAfter boring and cage placement, before concrete
  2. Slab pre-pour inspection in Leppington2Slab pre-pourThe day before the pour, steel and formwork complete
  3. Frame inspection in Leppington3FrameOnce frame and trusses are up and the roof is on, before lining
  4. Lock-up (pre-plaster) inspection in Leppington4Lock-up (pre-plaster)After roof, cladding and external doors, before plaster
  5. Fixing inspection in Leppington5FixingAfter mouldings, doors and joinery, before the painter
  6. Pre-handover (PCI) inspection in Leppington7Pre-handover (PCI)Two to three weeks before your handover date

All construction stage inspections in Leppington →

Guides

Construction stage guides for Leppington

All guides →

Book a waterproofing inspection in Leppington

Instant online pricing, or talk to the booking team on 1300 471 805.

FAQ

Waterproofing inspections in Leppington: common questions

Which standard applies?

AS 3740 for domestic wet area waterproofing, read with the National Construction Code and the ABCB Housing Provisions, alongside your contract and the tolerances guide.

Do you flood test?

No. Flood testing intrudes on finished work and belongs in the waterproofer's own procedures. We assess by eye and by hand.

How long is the window?

Often two or three days, between the membrane curing and the tiler starting. Book as soon as the waterproofer is scheduled.

How does a failure present down the line?

Usually a damp skirting or a stain on the wall of the next room, a year or two in. By then the remedy is removing tiles and screed.

Suppose tiling has commenced?

We look at whatever is still exposed and record which areas had already been covered.

Who fixes it?

The builder, coordinating the waterproofer and the tiler. The report supplies the location and the clause.

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