Waterproofing Adelaide — Licensed Contractors, Free Quotes

Waterproofing is hidden work — you can't see it once it's done, so getting it right the first time is everything. We connect you with up to 3 licensed, insured Adelaide waterproofers so you can compare and choose with confidence.

Get 3 Free Quotes Use Our Cost Calculator

AS 3740 CompliantLicensed ContractorsFully Insured100% Free Service

Waterproofing Services in Adelaide

From new bathroom builds to commercial projects, get matched with specialist contractors for every type of waterproofing.

Bathroom Waterproofing

Full membrane systems for new builds and renovations. AS 3740 compliant.

Shower Waterproofing

Prevent leaks before they start. Membrane, tiling prep, and hob sealing.

Balcony Waterproofing

Protect structural concrete from water ingress and salt damage.

Roof Waterproofing

Liquid-applied membranes, torch-on systems, and roof coatings.

Basement Waterproofing

Tanking, drainage, and vapour barriers for below-grade spaces.

Retaining Wall Waterproofing

Drainage cells, membranes, and weep holes for retaining walls.

Concrete Waterproofing

Crystalline, coating, and admixture systems for concrete protection.

Commercial Waterproofing

Large-scale projects for builders, body corporates, and facility managers.

View all waterproofing services →

Already Have a Leak?

Water damage gets worse every day. Identify your problem below and get connected with a specialist who can fix it — before it costs you thousands more.

Common Issue

Leaking Shower Repair

Water stains, musty smells, or damp walls near your shower? Get it fixed before structural damage sets in.

Act Fast

Leaking Balcony Repair

Cracking tiles, pooling water, or stains on the ceiling below? Balcony leaks cause serious structural damage.

Ongoing Damage

Rising Damp Treatment

Salt deposits, peeling paint, and crumbling mortar at the base of your walls? Rising damp gets worse over time.

Failed Membrane

Remedial Waterproofing

Previous waterproofing failed? We connect you with specialists in membrane repair and replacement.

Prevention

Waterproofing Inspection

Not sure if your waterproofing is up to standard? Get a professional compliance inspection.

Get Emergency Help Now

How It Works

Getting quotes from licensed waterproofers shouldn't be hard. Here's how we make it simple.

Tell Us About Your Project

Describe your waterproofing needs — bathroom reno, leaking shower, balcony repair, or anything else. Takes under 2 minutes.

Get Matched with Contractors

We match you with up to 3 licensed, insured waterproofing contractors in your area of Adelaide. No obligation.

Compare and Choose

Review quotes, check credentials, and pick the contractor that fits your budget and timeline. You stay in control.

Get 3 Free Quotes

Waterproofing Costs in Adelaide

Typical bathroom waterproofing costs based on size. Prices vary by scope, access, and membrane type — get accurate quotes from licensed contractors.

Small Bathroom

Ensuite or powder room up to 4m²

$800 – $1,500

$200 – $375 per m²

MOST COMMON

Medium Bathroom

Standard family bathroom 4–8m²

$1,500 – $3,000

$190 – $375 per m²

Large Bathroom

Master suite or complex layout 8m²+

$3,000 – $5,000+

$180 – $350 per m²

Use our detailed cost calculator →

Areas We Cover Across Adelaide

Our network of licensed waterproofers covers every corner of metropolitan Adelaide — from the CBD to the Hills, coast to northern suburbs.

Adelaide CBD & Inner Suburbs

Adelaide CBD, North Adelaide, Brompton, Bowden +2 more

Adelaide Hills

Stirling, Crafers, Mount Barker, Hahndorf +2 more

Norwood Payneham St Peters

Norwood, Payneham, St Peters, Stepney +2 more

Unley

Unley, Goodwood, Millswood, Hyde Park +2 more

Burnside

Burnside, Glen Osmond, Beaumont, Stonyfell +2 more

Mitcham

Mitcham, Blackwood, Belair, Colonel Light Gardens +2 more

Marion

Marion, Oaklands Park, Park Holme, Morphettville +2 more

Holdfast Bay

Glenelg, Brighton, Somerton Park, Hove +1 more

View all Adelaide areas →

Waterproofing Adelaide — Frequently Asked Questions

Bathroom waterproofing in Adelaide typically costs $800-$1,500 for a small bathroom, $1,500-$3,000 for a medium bathroom, and $3,000-$5,000+ for large or complex projects. Get 3 free quotes from licensed contractors through our service to compare prices.

Yes. In South Australia, waterproofing for wet areas must comply with AS 3740 and the National Construction Code. All contractors in our network hold current SA building licences and appropriate insurance. Request your free quotes to get matched with licensed professionals.

A standard bathroom waterproofing job takes 2-3 days including surface preparation, membrane application, curing time, and flood testing. Complex remedial work may take longer. Our matched contractors will provide accurate timelines in their free quotes.

AS 3740 is the Australian Standard for waterproofing of domestic wet areas. It specifies minimum membrane requirements, bond-breaker placement, and testing protocols. Non-compliant waterproofing can void insurance and create costly structural problems. Every contractor in our network works to AS 3740.

Common signs include water stains on ceilings below wet areas, musty odours, peeling paint, loose tiles, and visible mould. If you notice any of these, request a free inspection through our service — early detection saves thousands in repair costs.

Ready to Get Your Waterproofing Sorted?

Stop worrying about leaks, failed membranes, and water damage. Fill out the form and we'll match you with up to 3 licensed Adelaide waterproofing contractors within 24 hours. It's 100% free, with no obligation.

✓Compare up to 3 quotes side-by-side
✓Every contractor is licensed and insured
✓AS 3740 compliant workmanship guaranteed
✓No cost, no obligation — ever