The membrane is checked after it is applied and before a single tile goes over it, because that is the only window there is.
Waterproofing incomplete across the wet areas is a finding we have recorded in Mickleham at fixing stage, which means tiling was close to starting over an unfinished membrane.
Annotated findings from Waterproofing inspections on Mickleham builds. Client addresses withheld.


1Bored piersAfter boring and steel placement, before any concrete
2Slab pre-pourThe day before the pour, while pods, steel and formwork are open
3FrameOnce the frame and trusses are up and the roof is on, before sarking and cladding
4Lock-up (pre-plaster)After roof, cladding and external doors, before the plasterer
5FixingOnce mouldings, doors and joinery are in and before painting
7Pre-handover (PCI)About a week before your practical completion dateInstant online pricing, or talk to the booking team on 1300 471 805.
By then it is under tile. Assessing it means removing the tiling.
AS 3740 for waterproofing of domestic wet areas, with the NCC.
No. That is an intrusive test and it belongs to the waterproofer.
In Victoria they are usually combined as fixing including waterproofing. We can attend for either.
Tell us. We record what is visible, but the value drops sharply.
The waterproofer, before tiling. It is cheap now and expensive later.