Pressure Cleaning in Medina
Roofs, driveways, paths and walls brought back to life with professional pressure cleaning. Serving Medina 6167 and the far-southern suburbs.
Fully licensed & accredited — Builders Registration BC105819 · Painters Registration PC102072 · Patent ID AU-A-2020100623
Concrete driveways, paving and masonry take high pressure well. Aged roof tiles, old render and soft timber do not. Knowing which is which is the whole job and on a Medina home it is the difference between a clean surface and a damaged one.
Why Medina roofs behave the way they do
Medina was Kwinana's first suburb, designed in the early 1950s by Margaret Feilman, Perth's first female town planner, as the first of four “neighbourhood units” built to house workers for the new Kwinana Industrial Area. For an inspection, its single most important feature is the signature Medina house, whose original State Housing construction was highly specific: jarrah weatherboard to window height, asbestos sheeting above, on jarrah frames, floors and stumps. That fabric inspects nothing like the brick-and-tile found across most of Perth. Two things follow directly. First, a proper subfloor inspection is essential, those jarrah stumps and timber floors need checking for levelling, ventilation, moisture, borer and termite. Second, the asbestos sheeting is a defining part of the house, so careful asbestos assessment is central here, not incidental. It adds up. These are the two things a Medina report must get right. The suburb keeps its heritage Feilman “neighbourhood unit” layout, curved streets, mature street trees, some heritage-listed community buildings. Sits close to the Kwinana Industrial Area, so air quality, emissions and heavy-vehicle traffic are genuine local factors. Being near the coast and industry, salt is only a minor consideration (delignification low-to-moderate). The Medina report is really about its distinctive jarrah-and-asbestos fabric: the subfloor and the asbestos above it.Pressure Cleaning in Medina: the short version
Standoff distance moderates force more than the machine setting does, which is how an experienced operator varies intensity continuously without touching a dial. Background on our service page.
What that means for pressure cleaning in Medina
Paving near the beach greens up on the shaded side faster than inland equivalents because it stays damp longer and treating it beats repeatedly blasting it.
On a character property, cleaning should leave the building looking like itself. Aggressive work strips patina that took a century to develop and cannot be put back.
Driveways and paths on these properties are typically sound concrete and take pressure well, so the same visit can involve two completely different approaches.
Medina roofs: symptom and fix
| What you are seeing | What it usually means | What it needs |
|---|---|---|
| Limestone, historic | Soft and permeable | Specialist approach, not high pressure |
| Concrete driveway, general grime | Sound surface, hard wearing | High pressure, fan tip |
| Slippery paving on the shaded side | Algae holding moisture | Treat, then clean at moderate pressure |
| Aged roof tile, chalky | Softened surface layer | Low pressure or soft wash only |
Guide only. Every roof differs, which is why we look before quoting.
More roofing in Medina
01Roof Cleaning in Medina
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Roof Cleaning in Medina
Learn moreRoof cleaning strips the moss, lichen and black weathering off a Medina roof and gets it back to a clean, even surface — either as a standalone tidy-up or as the first stage of a restoration. We treat the growth first so it dies at the root, then clean at a pressure matched to the tile so we lift the grime without stripping the surface or driving water under the laps.
Left alone, that growth holds moisture against the tiles and works into the pointing, which is why we treat rather than just blast it — the same method we use through nearby Orelia. We check the roof over while we’re up there and flag anything that needs attention, so a clean doesn’t paper over a repair that’s quietly getting worse. On steeper or two-storey Medina roofs we work off proper anchorage and stay off the tiles where we can, so the clean lifts the grime without cracking the very surface it’s meant to protect, and we’ll let you know if the roof would be better served by a full restoration.
View roof cleaning in Medina →
02Roof Restoration in Medina
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Roof Restoration in Medina
Learn moreA roof restoration renews a tired but sound Medina roof for a fraction of replacement: we treat the moss and lichen, high-pressure clean, replace broken tiles, re-bed and re-point the ridge caps in a flexible compound, then seal and coat with a Dulux AcraTex membrane as accredited applicators.
It’s the right call when the tiles have decades left but the surface and pointing are gone — the same judgement we bring to nearby Casuarina. We’ll tell you honestly whether a restoration suits your roof or whether repairs or a re-roof make more sense, and the finished job carries both a manufacturer coating warranty and our 10-year workmanship warranty. Most Medina homes take two to three days depending on the repairs needed before coating. As accredited applicators we prepare to the manufacturer’s specification, so the membrane actually holds — a coating only lasts if the surface beneath it was treated, cleaned and repaired properly first, which is exactly where a cheap spray-over fails within a couple of summers.
View roof restoration in Medina →
03Roof Repairs in Medina
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Roof Repairs in Medina
Learn moreMost Medina roof problems come down to a handful of failures: cracked or slipped tiles, perished ridge pointing, rusted valley irons and tired flashings. We trace the leak to its actual source — which is rarely under the ceiling stain — and fix the cause, whether that’s replacing matching tiles, re-bedding and re-pointing the ridge in a flexible compound, or renewing a corroded valley.
We’ll always tell you honestly when a roof is genuinely repairable versus when the repairs are mounting up and a restoration would serve you better, as it often does through nearby Kwinana Town Centre. Prompt repair matters: a single cracked tile left through a wet winter becomes soaked insulation, stained ceilings and, eventually, damaged roof timber. Every repair is backed by our workmanship warranty, and because we photograph what we find and talk you through it, you’ll understand exactly what was wrong and what we did about it rather than being handed a bill and a shrug.
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04Roof Replacement in Medina
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Roof Replacement in Medina
Learn moreWhen a Medina roof reaches the end of its life — porous tiles, rusted-through valleys, or a roof that’s been patched one too many times — a full re-roof is often the honest answer. We strip the old covering, check and repair the timber and battens underneath, and install a new tile or Colorbond roof with fresh sarking, valleys and flashings throughout.
A tile-to-Colorbond conversion is popular here for its lighter weight, clean lines and colour range, and because the lighter roof changes the wind uplift we reassess the tie-down as part of every conversion. We’ll also be straight about whether you’ve genuinely reached replacement or whether a restoration, as we do through nearby Kwinana Beach, would renew the roof for a fraction of the cost. Every re-roof is engineered and tied down to Australian Standards and backed by our 10-year workmanship warranty, and we handle the guttering, flashings and tie-down as one job so nothing is left for you to chase afterwards.
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05Roof Inspection in Medina
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Roof Inspection in Medina
Learn moreA roof inspection is the cheapest way to know exactly what your Medina roof needs before you commit to anything — or before you buy. We get onto the roof and into the roof space, physically checking the tiles, pointing, valleys, flashings, gutters and the structural timber, then hand back a clear written report with photographs.
On older homes we test the timber for rot, termite damage and delignification; on newer ones we look for the builder-grade detailing faults that leak early. It’s the same thorough check we run through nearby Anketell, and it’s what tells you whether a roof needs a minor repair, a restoration or something structural. If you’re buying a home, an inspection of the one part most people skip — the roof space — is money very well spent, and the written report gives you something concrete to put in front of an agent, a buyer or your insurer rather than a verbal all-clear.
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06Roof Carpentry in Medina
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Roof Carpentry in Medina
Learn moreRoof carpentry is the structural timber under your tiles — the rafters, battens and trusses that hold everything up. On Medina homes we repair and rebuild that framing to standard: sistering weakened members, replacing rotted or termite-damaged timber, and reinstating trusses that have been cut for a skylight, duct or downlight.
We also test for delignification, the chemical breakdown that leaves roof timber looking sound but unable to hold a fixing — the same treatment we carry out through nearby Orelia where the timber is worth saving rather than replacing. As registered builders we can certify structural carpentry, which a general handyman can’t, and we assess the whole load path while we’re in the roof space so a repair addresses the cause, not just the symptom. Where a member is load-bearing we prop it safely with acrow props and work to a structural engineer’s design before anything is cut — it’s the natural companion to our tie-down and structural-defect work.
View roof carpentry in Medina →See all roofing services in Medina, or read more about our roof carpentry service across Perth.
Surfaces around a Medina home that come up well
- A patio or alfresco that has stopped looking maintained
- Surfaces being prepared before sealing or painting
- Driveways and paths stained grey or green
- Black streaking down rendered or painted walls
- Paving that has become slippery underfoot
Local conditions in Medina
The signature Medina house: JARRAH WEATHERBOARD to window height + ASBESTOS SHEETING above, on JARRAH STUMPS with timber floors. This exact fabric demands: SUBFLOOR inspection (jarrah stumps/joists, levelling, borer, termite, ventilation, moisture) and careful ASBESTOS assessment (the sheeting is a defining feature). Inspects nothing like brick-and-tile.
Heritage 1950s Feilman 'neighbourhood unit' plan, curved streets, mature street trees; some heritage-listed community buildings; original layout intact.
Close to the Kwinana Industrial Area, air quality/emissions, heavy-vehicle traffic and industrial context a real local factor.
We cover the whole of the City of Kwinana. Around Medina that takes in Kwinana and Perth. Short drives keep pressure cleaning affordable on smaller jobs and most of ours are smaller jobs.
Materials and specification
Where cleaning is preparation for a roof coating, the sequence matters more than the equipment. Treat growth, wait for it to die, clean at a pressure suited to the tile, then seal and apply the Dulux AcraTex system under accreditation. Cleaning alone returns a roof to bare aged tile that starts weathering again immediately.
A little about Medina
Kwinana's First suburb; designed early-1950s by Margaret Feilman (Perth's first female town planner) as the first of four 'neighbourhood units' for workers in the new Kwinana Industrial Area; ~32km S of Perth; named after the ship Medina (1830); streets named for passengers/crew 1950s SHC neighbourhood-unit stock (jarrah/asbestos) + later infill; heritage town-planning layout; lower-income, established Built for the 1950s Kwinana industrial boom (BP oil refinery, BHP steel, Alcoa alumina, Csbp acid/superphosphate, Cockburn Cement), heavy-industry town None of that decides what your roof needs. It does tell us what to expect before we get the ladder out in Medina.
Recent work


What the work involves
- Work down, never uphill under laps. On any roof or overlapping surface, driving water uphill forces it behind and underneath. That damage is invisible on the day and appears as a stained ceiling weeks later
- Protect surrounds and manage the runoff. Plants covered, windows and fittings protected and the considerable volume of dirty water directed somewhere sensible rather than into a soakwell it will block
- Identify the surface before anything else. Concrete, brick, limestone, render, timber, coated steel and aged roof tile all behave differently under pressure. Asbestos cement is identified and left alone, because cleaning it releases fibres
Common questions about pressure cleaning in Medina
Where does all the water go?
Into your drainage, carrying whatever came off the surface. On a large job that is a genuine volume and it can silt a soakwell. Managing the runoff is part of doing it properly.
Is soft washing better?
On fragile surfaces, considerably. It applies treatment chemistry at low pressure and lets it work over time, then rinses gently. It takes longer and it does not damage what it is cleaning.
Can you clean before painting?
Yes and preparation is exactly where pressure cleaning earns its place. Coatings adhere to the substrate, not to what is sitting on it.
Can I hire a machine and do it myself?
For a concrete driveway, yes, with a fan tip and sensible distance. For anything on a roof, at height, or on a surface you cannot identify with confidence, the risk of permanent damage outweighs the saving.
Do you work throughout Medina?
Yes and the surrounding suburbs. Ring 0421 768 842 and tell us your street. If we are not the right people for the job we will say so rather than quoting anyway.
What to ask whoever quotes you
Be wary of urgency. Nobody legitimate needs a decision on the day and a discount valid only this afternoon tells you something about the rest of the transaction. Written quotes on Medina properties should stay open long enough for you to get a second opinion.
Getting a quote in Medina
Book an inspection on 0421 768 842. No charge, no pressure and a written quote you can put beside anybody else's. If pressure cleaning is not what your Medina roof needs, we will say so and explain what does.

Dulux AcraTex accredited applicators
Powerdrive Roofing is an accredited applicator for the Dulux AcraTex roof restoration system, so your coating carries the manufacturer’s product warranty alongside our own 10-year workmanship warranty. How the Dulux AcraTex warranty works →
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