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Why DIY Pressure Cleaners Damage Melbourne Sandstone Pavers

Hardware-store machines look harmless but a turbo nozzle can etch sandstone and exposed aggregate in seconds.

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Illustrative image (not a Spotless job): Why DIY Pressure Cleaners Damage Melbourne Sandstone Pavers
Illustrative image — not a photo of a Spotless job.

This Pressure Cleaning article is written for Melbourne owners and managers who need more than a quick blast. Concrete & Paver Cleaning jobs in our city require a surface diagnosis before any cleaning starts.

In Melbourne, everything from growth corridor new-build mortar smear to inner-suburb heritage brick has its own cleaning risk profile. The right method, chemistry and pressure keep the surface safe and the result lasting.

Turbo nozzles are dangerous on stone

They concentrate the full machine pressure into a single point. Sandstone, limestone and aggregate binder all suffer.

Streaking is hard to undo

Once youve etched lines into a paver, no amount of further cleaning hides them. Replacement is the only fix.

Distance and angle matter

Even with the right nozzle, hold distance and angle determine surface impact.

On the job

  • Understand why turbo nozzles are dangerous on stone matters before you choose a cleaner.
  • Understand why streaking is hard to undo matters before you choose a cleaner.
  • Understand why distance and angle matter matters before you choose a cleaner.

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