Pressure Washing in Chilliwack, BC

Chilliwack sits at the base of the Cascade foothills, and that geography traps moisture. Environment and Climate Change Canada normals put the city's annual precipitation around 1,700 mm, well above the Fraser Valley average, which means siding, fences, roofs and driveways stay damp for long stretches through fall, winter and spring. Damp surfaces grow algae, moss and mildew, and once those take hold they don't just look bad — algae film on a driveway gets slippery, and mildew on siding etches into paint if it sits long enough.

That's the difference between washing here and washing somewhere dry: in Chilliwack, a wash isn't just cosmetic. It's removing an active biological growth that will keep spreading if it's ignored, and the wrong method (blasting instead of soft washing) can strip growth off the surface without killing the roots underneath, which means it's back within a season.

Concrete driveways, paver patios and stone walkways can take real force, so Surface Wizard uses hot-water pressure washing at 2,500–4,000 PSI to strip grime, oil stains and algae film without damaging the surface. Hot water cuts through baked-on oil and tire residue that cold-water rental units barely touch, which matters on a driveway that's had a decade of parking on it.

Siding, stucco, cedar and asphalt roofing are a different story. High pressure on these surfaces can strip paint, crack stucco, or force water behind cladding where it causes rot you won't see until it's expensive. Surface Wizard soft washes these with a biodegradable detergent solution under 500 PSI that kills algae and moss at the root instead of just rinsing the visible growth away, which is why soft-washed surfaces typically stay clean two to three times longer than a straight pressure blast.

The same rule applies to fences, decks and outdoor furniture: wood surfaces get the soft-wash treatment so the grain isn't torn up, while a concrete pad or a masonry retaining wall gets the full pressure treatment because there's nothing on it that mechanical force can damage.

Pricing depends on square footage, surface type and how established the buildup is, but most residential jobs — a driveway, a walkway, or a home's exterior — fall in a straightforward range once Surface Wizard has seen the property. Commercial jobs, like a strata parkade or a commercial driveway, are quoted the same way: a free on-site visit, then a number within 48 hours.

There's no upsell script and no guessing over the phone. Surface Wizard walks the property, checks which surfaces need soft washing versus pressure washing, and quotes accordingly. A job with heavy algae on a shaded north wall takes longer than a straightforward south-facing driveway, and the quote reflects that difference rather than a flat per-square-foot number that ignores it.

Once a year is the baseline for a full exterior wash, with driveways and concrete on a 12- to 18-month cycle. North-facing walls and tree-shaded concrete — common on Promontory and along the Vedder River corridor — need attention closer to the 8- to 12-month mark, because they never get enough direct sun to slow algae regrowth.

Spring is the ideal wash window: it clears out everything the wet season grew before summer heat bakes it into the surface, and a soft-wash treatment applied then keeps spores from re-establishing through the drier months. Waiting until late summer means the growth has had all winter and spring to establish, which makes the eventual clean take longer and cost more.

Surface Wizard walks the full property before pricing anything — driveway, walkways, siding, fencing and any concrete patios — rather than quoting off a phone description. That walkthrough is what catches the difference between a straightforward driveway clean and a job that also needs soft washing on shaded siding or a section of retaining wall with heavier algae buildup.

The quote covers the labour, equipment, water and detergent for the agreed scope, with no separate call-out fee for the on-site visit itself. If a driveway would benefit from sealing after the wash — which stretches the next clean out by a year or more in Chilliwack's climate — that gets offered as part of the same conversation, not as a surprise upsell after the work is done.