Guide
Soft Washing vs. Pressure Washing: Which is Right for Your Home?
Most homeowners use "pressure washing" as a catch-all for cleaning the outside of a home. In practice, two very different methods sit under that umbrella—and using the wrong one is the single fastest way to damage a roof, strip paint from siding, or void a shingle warranty.
What is soft washing?
Soft washing uses low-pressure water (similar to a garden hose) combined with biodegradable cleaning solutions. The solution does the work—gently killing algae, mildew, lichen, and bacteria at the root—so the surface is cleaned without mechanical force. It is the only method most shingle manufacturers (including GAF and ARMA) endorse for asphalt roofs, and it is the safest approach for painted siding, stucco, screen enclosures, and wood.
What is pressure washing?
Pressure washing forces water through a narrow nozzle at very high PSI. That force is excellent for lifting embedded dirt, oil, and tire marks out of hard, durable surfaces—but it is far too aggressive for anything fragile. Used on a roof, it strips the protective granules off shingles. Used on siding, it forces water behind the panels and can carve channels into softer paint and wood.
When to soft wash
- Roofs — asphalt shingles, tile, and metal. Soft washing kills the algae that causes black streaks and prevents regrowth for years.
- Siding — vinyl, painted wood, fiber cement, stucco.
- Screen enclosures and pool cages.
- Painted exterior surfaces, soffits, and fascia.
When to pressure wash
- Concrete driveways and walkways.
- Pavers and brick (with the right tip and technique).
- Pool decks and patios.
- Garage floors and other unsealed hardscape.
The short version
If a surface is part of the house itself—roof, siding, paint—it should be soft washed. If it's something you walk or drive on, it can be pressure washed. A proper exterior cleaning visit usually blends both: soft wash the home, then pressure wash the hardscapes. Done in that order, your home looks brand new without anything getting damaged in the process.
Curious which method your home needs? We'll take a look and tell you—no upsell.