Residential waterproofing across Perth

Waterproofing in Perth for leaks and damp

Leaking shower, wet balcony or new bathroom membrane? Start with the problem and your suburb. Get the job done properly by licensed and insured local waterproofing contractors.

Describe your job

Waterproofing jobs

Waterproofing services in Perth, WA

waterproofing perth: worker in white coveralls and respirator applying blue coating to bathroom walls and floor

Bathroom waterproofing

A compliant membrane for renovated and new bathrooms, applied and fully cured before tiling.

waterproofing perth: blue-grey coated shower recess with floor drain and worker kneeling in adjacent room

Shower waterproofing

Falls, waterstops, membrane coats and flood testing for new and rebuilt shower recesses in Perth.

waterproofing perth: worker brushing blue membrane onto a damaged shower recess with mesh tape over cracks

Leaking shower repair

Find the source of a leaking shower, from grout and silicone faults to a failed membrane, before any tiles come up.

waterproofing perth: worker rolling blue coating onto a balcony floor beside glass balustrade and city view

Balcony waterproofing

Repairs for balconies and decks that leak into the room or garage below.

waterproofing perth: crew applying black membrane and drainage board to basement stone and concrete walls

Basement waterproofing

Treatment for damp basements, undercrofts and slabs on Perth sand, from inside or outside the wall.

waterproofing perth: three workers rolling black coating onto a concrete block retaining wall in a backyard

Retaining wall waterproofing

Waterproofing and drainage for retaining walls and planter boxes that weep, stain or push damp into the house.

All services

Waterproofing in Perth, from leaking showers to damp walls

Waterproofing in Perth covers more than the shower recess. It includes whole bathrooms, balconies over living rooms, basements set into sand, retaining walls holding soil against the house and rendered walls that let winter rain through. If water is getting where it should not, or a renovation needs a membrane, this is a good place to start.

You do not need to know the cause. Stained ceilings below a bathroom, loose tiles, musty smells, flaking paint or puddles at the base of a wall are enough to go on. Just note what you are seeing and where in the home it shows up.

About this website

waterproofing perth: five hi-vis workers reviewing a plan on a table beside membrane rolls and sealant tube

How enquiries work

Your next steps, from enquiry to finished job

Spot the problem or plan the project

Note what you are seeing, such as a stained ceiling, loose tiles or a damp wall, or the renovation you have planned and which room or area it involves.

Send one enquiry

Use the form to share the problem or project, the part of the home and your suburb. A short description is plenty.

Talk it through

If the job suits, a licensed and insured local contractor can follow up to ask questions or arrange to inspect the area.

Compare and decide

Check the scope, membrane and paperwork in any quote against the guides here before you sign. Whether to go ahead is entirely your decision.

What helps you choose a waterproofer in Perth

A few plain facts make it easier to sort out the problem, compare quotes and decide who does the work on your Perth home.

No diagnosis needed

Leaks often show up a room or two away from where the water gets in. You only need to say what you have noticed and where, and a contractor can work out the cause on site.

Every type of home job

Bathrooms, showers, leaking shower repairs, balconies, basements, retaining walls and exterior walls are all common waterproofing jobs in Perth homes.

Licensed and insured contractors

The work itself is carried out by licensed and insured local waterproofing contractors. Perth homes range from limestone and brick to rendered double brick, and each takes membrane and damp treatment differently.

Help comparing quotes

Check that each quote names the membrane, the areas it treats, falls and waterstops for showers, flood testing before tiling and the paperwork you receive at the end.

Your payment protections

For a contract covered by the Home Building Contracts Act, you should get the Notice for the Home Owner before signing, the deposit is capped at 6.5% and the builder must fix, at no cost, defects you report in writing within four months of practical completion.

Suburbs right across Perth

From Joondalup and Wanneroo in the north to Rockingham, Baldivis and Mandurah in the south, and inland to Armadale and Midland, you can start an enquiry from any of these suburbs.

Suburbs covered

Waterproofing enquiries across Perth suburbs

Scarborough Cottesloe Subiaco Joondalup Fremantle Rockingham Mandurah Armadale Midland Bayswater Victoria Park Applecross Canning Vale Baldivis Wanneroo

All suburbs

Good to know

Waterproofing questions in Perth, WA

Still unsure? Add your question to the enquiry form.

What affects the price of waterproofing a Perth home?

The price depends on the area, access, whether old tiles and membrane must come off and any repairs found underneath, so no fair figure can be given unseen. In WA, a contract covered by the Home Building Contracts Act caps the deposit at 6.5%, with later payments only for work done or materials supplied.

Does Perth's winter rain slow down a waterproofing job?

It can, for outdoor work. Balconies, retaining walls and external walls need dry surfaces for the membrane to go on and cure, so wet Perth winter days can push those jobs out. Indoor bathroom and shower work is less affected, though each coat still needs curing before tiles go down.

Will a balcony membrane in Perth need recoating?

Exposed outdoor surfaces usually need attention before indoor wet areas do. Perth balconies and walls face long, hot, dry summers and then heavy winter rain, which works on sealants, grout and coatings. A membrane hidden under sound tiles in a bathroom generally is not reapplied unless something fails.

Should waterproofing in an older Perth bathroom be replaced at the ten-year mark?

No, age alone is not the trigger. Many Perth homes have bathrooms built well before current membrane standards, but the signs matter more than the date: loose tiles, stained ceilings or skirting, mould or a musty smell. If you are renovating, new work has to meet current NCC requirements.

What upkeep helps waterproofing last longer in a Perth home?

Regular upkeep does help. Keep balcony and courtyard drains clear of the sand and leaves Perth gardens shed, so water cannot pond on the membrane through winter. Inside, repair cracked grout and failed silicone promptly, and check that water drains away behind retaining walls rather than building up against the house.