Question 1

How much does pressure washing cost in Brisbane?

Accepted Answer

Pressure washing in Brisbane typically costs between $2 and $6 per square metre depending on the surface type and condition. A standard two-car driveway costs around $150 to $350. Timber decks and fences sit at the higher end due to the care required to avoid damage. Most professionals have a minimum call-out fee of $150 to $200.

Question 2

Why does mould grow so fast on Brisbane surfaces?

Accepted Answer

Brisbane high humidity, warm temperatures, and frequent rainfall create ideal conditions for mould, algae, and lichen growth on outdoor surfaces. North and south-facing surfaces that stay damp and shaded are particularly affected. Regular pressure washing every 12 to 24 months keeps surfaces clean and prevents permanent staining.

Question 3

Can pressure washing damage my driveway or deck?

Accepted Answer

When done correctly with the right pressure settings and nozzles, pressure washing will not damage concrete, pavers, or timber. However, excessive pressure or incorrect technique can etch concrete, strip paint, and splinter timber. This is why using a qualified professional is important rather than attempting high-pressure work yourself.

Question 4

How often should I pressure wash my driveway in Brisbane?

Accepted Answer

In Brisbane, most driveways benefit from pressure washing every 12 to 18 months. Properties with heavy shade or moisture may need annual cleaning. Regular washing prevents mould from penetrating the surface, which becomes progressively harder and more expensive to remove over time.

Question 5

Should I seal my driveway after pressure washing?

Accepted Answer

Sealing after pressure washing is recommended for concrete and exposed aggregate driveways. A quality concrete sealer protects against future mould growth, oil stains, and weathering, and makes future cleaning easier. Sealers typically cost an additional $5 to $15 per square metre applied and last 3 to 5 years.

Surface	Cost/m²	Typical Job	Notes
Concrete driveway	$2 - $4/m²	$150 - $350	Most common job. Removes tyre marks, oil stains, and mould.
Paved paths & patios	$3 - $5/m²	$120 - $300	Re-sanding of joints may be needed after washing pavers.
Timber deck	$4 - $6/m²	$200 - $500	Lower pressure required. Often combined with oiling or sealing.
Colorbond fence	$3 - $5/m²	$150 - $400	Removes mould, dirt, and oxidation. Restores original colour.
Timber fence	$3 - $5/m²	$200 - $500	Strips weathered grey layer. Staining recommended after wash.
Pool surrounds	$3 - $5/m²	$150 - $350	Removes algae and slip hazards. Critical for safety compliance.

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