The part under the pretty tiles

Waterproofing & Certification

Waterproofing is where cowboy bathrooms fail and where ours are won. In Queensland it must be done by a licensed waterproofer, and ours is in-house: named membrane systems, set-down checks, and a certificate lodged for every wet area.

Photo: waterproofing & certification job
Scope

What this job includes.

  • Wet-area membranes to AS 3740, named system
  • Waterproofing certificates issued and lodged
  • Leaking shower diagnosis, honest repair-or-renovate call
  • Balcony and laundry wet areas included
  • Re-waterproofing under tile-over jobs refused, and we explain why
Our system: We will not tile over a failed membrane, ever. It is the cheapest day-one saving and the most expensive year-three repair in the trade.
How we quote it

Itemised down to the membrane.

The same seven-line proposal on every job, so this service is comparable against any other quote you collect.

The 7-line quote
  1. 1 The measured design. Laser-measured, drawn with every fixture placed, and signed off by you before demolition is booked.
  2. 2 Strip-out & disposal. Demolition, asbestos check on pre-1990 sheeting, skip and disposal, all on their own line.
  3. 3 Waterproofing, certified. The licensed waterproofer named, the membrane system named, and the certificate lodged. Never "included".
  4. 4 Screeds, falls & tiling. Screed with falls to the waste, tile supply by named range, laying pattern and trim profiles, priced exactly.
  5. 5 Plumbing & electrical. Licensed plumber and electrician, rough-in and fit-off, with compliance certificates itemised, not "allowances".
  6. 6 Fixtures & fittings, named. Vanity, tapware, screen and toilet by brand and model, so "equivalent" can never be swapped in.
  7. 7 Warranty & certificates. 10-year waterproofing and workmanship warranty in writing, plus every certificate in your handover pack.
If a quote doesn’t show these lines, you can’t compare it, and you don’t know what’s been cut.
How it runs

What happens, step by step.

1

Consult & measure

At your place. We measure the room, check the substrate and drainage, and talk budget honestly.

2

Design & fixed price

A drawn design with every fixture placed and a fixed, itemised proposal. You sign the scope, not a sketch.

3

Strip out, waterproof, certify

Demolition, new rough-in, screeds with proper falls, then certified waterproofing, inspected before a tile goes down.

4

Tile, fit off & hand over

Tiling, fixtures and glass installed, site cleaned, and a handover pack with every certificate and warranty.

Insured, covered, guaranteed

The paperwork behind the price.

Public liability to $20M, and a 10-year waterproofing & workmanship warranty, all in writing, all on request.

In Queensland, bathroom work over $3,300 requires a QBCC licence on the contract, and wet-area waterproofing must be done by a licensed waterproofer. Ours are on every proposal, the membrane is certified before tiling, and the 10-year waterproofing and workmanship warranty is in writing in your handover pack.

The cover, the guarantee, and how to check each one.
Questions, answered

Waterproofing & Certification: common questions.

My shower leaks. Do I need a full renovation?
Not always. A failed seal or grout line can sometimes be repaired honestly. But water staining on the ceiling below, swollen skirting or a musty smell usually means the membrane has failed, and the honest fix is strip-out and re-waterproofing. We diagnose before we prescribe.
What is the waterproofing certificate and why does it matter?
It is the licensed waterproofer's formal record that the membrane was installed to AS 3740. Insurers ask for it on water-damage claims, and buyers' inspectors ask for it at sale. No certificate usually means no licensed waterproofer, which tells you everything about the rest of the job.
Get started

Start with a design consult, not a guess.

Tell us about your bathroom. We measure, talk budget honestly, and design to a fixed, itemised price before a single tile is lifted.

✓ QBCC licensed✓ HIA member✓ Licensed & insured✓ 73 five-star reviews✓ 10-year waterproofing & workmanship warranty
Book a design consult Call