The laundry cops constant splashes, overflows and hose failures. We install compliant, warrantied laundry waterproofing systems across Brisbane to AS 3740:2021 and the NCC Housing Provisions—and we provide a QBCC Form 43 aspect certificate at handover.
Why choose Brisbane Waterproofing Pro
- QBCC-licensed & insured specialists — Form 43 certificate provided
- Standards-led: AS 3740:2021 & NCC compliance (no outdated rules)
- Whole-system approach: substrate prep → membrane → junctions/penetrations → drainage → QA
- Low-VOC Class III membranes suited to occupied homes
- Photo-documented QA for builders, certifiers and insurers
- Warranty aligned to your project (ask about 7–10 year options)
What we waterproof in a laundry
- Floors & set-downs — verify/achieve falls where a floor waste exists so water drains, not ponds
- Wall-to-floor junctions — bond-breaking tape and continuous membrane at all perimeters
- Upstands & splash zones — behind trough/sink, tap boxes, hose bibs and appliance recesses
- Penetrations — wastes, services and puddle flanges integrated into the membrane
- Thresholds & waterstops — door transitions and adjoining-room protection
- Upper-storey/timber floors — full-floor waterproofing where required to protect substrates
Our 7-step laundry waterproofing process
- Assessment & fixed quote — check substrate, set-downs, drainage points, ventilation and cabinetry layout
- Surface preparation — remove contaminants, grind/clean, prime to substrate (concrete, screed, FC sheet, WR plasterboard)
- Falls & waste detailing — confirm gradients to floor waste (where present); install/verify compliant waterstops
- Membrane application — class-rated membrane to required dry film thickness; bond-breakers at all junctions
- Penetrations & splash areas — seal tap boxes, hose bibs, troughs and appliance recesses
- Curing & QA — respect cure times; moisture readings; optional flood test on request
- Certification & handover — QBCC Form 43 certificate + photo log for your records
Compliance that protects you
- We install to AS 3740:2021 (domestic wet areas) and NCC Housing Provisions (wet areas)
- Correctly detailed junctions and penetrations; appropriate waterstops at thresholds
- Continuous, durable membrane to manufacturer-specified dry film thickness
- Where a floor waste is installed, continuous falls direct water to the waste
Service area
Brisbane, Gold Coast and Sunshine Coast.

Pricing & timelines
We provide an itemised fixed quote after inspection. Price depends on substrate condition, set-downs, whether a floor waste is present, linear metres of junctions/penetrations, and any screeding or carpentry needed to achieve compliant outcomes. Most projects need 1–2 days for prep and multi-coat application plus curing time before finishes are installed.
Laundry waterproofing FAQs
Q: Do you issue certificates?
A: Yes. We issue a QBCC Form 43 waterproofing aspect certificate with photo documentation.
Q: Is the entire laundry floor always waterproofed?
A: It depends on the substrate and design. For upper-storey or timber floors and where specified by approval, full-floor waterproofing is typically required. We’ll confirm the compliant scope during assessment.
Q: What drainage falls do you use?
A: Where a floor waste is installed, we form continuous falls to the waste to prevent ponding, in line with current standards and membrane guidelines.
Q: How long before cabinetry and flooring can go in?
A: Allow 1–2 days for prep and application plus cure time (per the membrane manufacturer) before finishes are installed.
Get a quote for your laundry today
Get a quote today by calling 0409 424 651 or filling the form below:
Brisbane Waterproofing Pro:
QBCC Licence: [15533739] | Public Liability Insured
Email: admin@brisbanewaterproofingpro.com
Phone: 0409 424 651
Opening Hours: Mon-Sun 6:30am-4:30pm
Location: Victoria Point
