Soft Wash

Soft washing vs pressure washing: which is right for your property?

Updated 6 November 2026 · By the Soft Wash team

Short answer: Soft washing uses low pressure and a biocide to kill algae, mould and lichen, so it is the right choice for render, roofs, painted walls, cladding and soft brick or stone. Pressure washing blasts dirt off with high-pressure water and suits hard surfaces such as concrete and block paving, but it can damage softer surfaces and growth tends to return sooner.

Side-by-side comparison

Soft washingPressure washing
PressureLow, similar to a garden hoseHigh
How it cleansBiocide kills growth, then rinsedWater force strips the surface layer
Best forRender, roofs, cladding, painted and soft masonryConcrete, block paving, hard patios
Risk of damageLow when done properlyCan erode render, stone and pointing
How long it lastsUsually several yearsGrowth often returns sooner

When soft washing is right

  • Rendered or painted walls
  • Roofs with moss, lichen or algae
  • uPVC, composite or timber cladding and fascias
  • Older brick and natural stone

When pressure washing is right

  • Concrete driveways and paths
  • Block paving and hard patio slabs
  • Heavy mud or ground-in dirt on hard, durable surfaces

Many jobs use both: soft washing for the walls and roof, and pressure washing for the drive and patio.

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