Exterior cleaning in Perth. Then we protect it.

It depends on the surface, the area, the access and how much growth or staining has taken hold, so exterior cleaning is quoted per job. As a rough guide, across Perth a driveway or paver clean commonly runs a few hundred dollars, a full house wash more, and a roof treatment more again. Rather than pin a headline rate on work that varies this much, we give you a fixed, confirmed price after a free on-site look, so there are no surprises on the day.

It can, in the wrong hands. High-pressure blasting on soft limestone pits and chips it, blows render off in chunks, and driven up under roof-tile laps it forces water where it should never go. That is exactly why we match the method to the surface: soft washing at low pressure for anything delicate, porous or coated, and high pressure only where the surface is hard and sound enough to take it. We clean to the standard sealing demands, which means cleaning it without wrecking it.

Yes. Black lichen, green algae and the grey biological film that settles into limestone are killed and lifted with a soft-wash biocide, not just blasted off the top. Because limestone is soft and porous we keep the pressure low so the surface itself is not damaged. In a damp, coastal climate that growth can return over time, so once it is clean and prepped we recommend sealing it to keep it clearer for longer, plus a scheduled upkeep clean.

Pressure cleaning uses water at high force, roughly 2,000 to 4,000 PSI, to shift dirt off hard, sound surfaces like concrete and exposed aggregate. Soft washing uses very low pressure, under about 500 PSI, with a biodegradable biocide solution that kills moss, mould, lichen and algae. Roofs, render, painted surfaces, limestone, Colorbond and solar panels should be soft washed. We choose the right method for each surface on your property, and often use both.

Yes. Our soft-wash biocide kills moss, mould, lichen and algae, which clears it far more thoroughly than blasting, which only knocks the top off and spreads spores. On roofs the biocide keeps killing for months and the dead growth weathers off naturally with the rain. We will not promise it never returns, because it is living growth and Perth's damp, shaded, coastal spots invite it back. What keeps it clearer for longer is soft washing rather than blasting, sealing the surface once it is clean, and a scheduled upkeep clean so it never gets a real hold.

It can. The wrong nozzle and too much pressure will tear an existing coating off exposed aggregate, concrete and pavers, which is a common way surfaces get wrecked during a clean. As a sealing specialist that is precisely what we are careful about: we clean to the standard sealing demands without stripping a sound coating, and where a coating is already failing we clean it back properly and re-protect the surface so it is not left bare to re-stain.

As a general guide in Perth, a house wash roughly once a year keeps render, gutters and walls from building up grime and greening, a roof treatment every couple of years keeps lichen and algae in check, and driveways and paving as needed when they start to green or stain. Shaded, damp and coastal properties need it more often. Sealing the surface after a clean stretches the time between cleans, because a sealed surface sheds dirt and greens up far more slowly.

Spring is prime. It clears the moss and lichen that built up over a wet Perth winter and gets the surface clean and ready before summer, which is also the ideal window to seal. We hold off on roof treatment in the peak of summer heat, because the biocide can flash off scorching tiles before it has a chance to work. If you are planning to clean and then seal, spring into early summer is the sweet spot.

Light bore-water and reticulation spotting on windows and glass can usually be removed or greatly reduced. The honest catch is that hard, mineral-laden Perth water left on glass long enough etches into the surface, and deep etching is damage to the glass itself, not a film that wipes away, so it cannot always be fully restored. Once glass is clean, sealing it helps water bead and sheet off so future spotting has far less chance to take hold. This covers exterior architectural glass and house windows.

We use a biodegradable soft-wash solution and take care of the landscaping around the work: wetting down plants and lawn before and rinsing thoroughly after, and keeping pets clear of the immediate area while we work. It is a standard part of how we run a soft-wash job. If you have anything particularly sensitive in the garden, tell us at quote and we will plan around it.

We clean the exterior faces of gutters and fascias as part of an exterior house wash, so the front of the gutter line comes up clean with the rest of the house. Tell us at quote what you want included and how the property is accessed, and we will confirm exactly what the wash covers before you book.

Yes. Alongside homes we clean for strata, commercial and body-corporate clients across Perth: building exteriors and render, carparks and hardstand, walkways, entries and shopfronts. It is quoted per job around your site and hours, and where the surface suits it, cleaning pairs naturally with sealing so it stays presentable for longer between cleans.