Wrong washing method damages surfaces. Here's how to choose correctly.
Pressure Washing (High Pressure)
Uses 1500-4000 PSI: powerful cleaning. Best for concrete, driveways, hard surfaces. Removes algae, grime, years of dirt. Can strip finishes: requires care. Professional technique important.
Soft Washing (Low Pressure)
Uses 400-600 PSI: gentle on delicate surfaces. Uses chemical cleaners: actively kill algae/mold. Best for stucco, wood, composite, pavers. Safer for painted surfaces. Takes longer but gentler.
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When to Use Which
Pressure wash: concrete driveways, sealed concrete, hard stone. Soft wash: wood decks, stucco, composite, unsealed pavers, vinyl siding. Roofs: soft wash only (prevents damage). Pools: soft wash exterior, never pressure wash interior finishes.
Damage from Wrong Method
Pressure washing soft surfaces: etching, damage, creates premature aging. Over-pressuring: structural damage to grout. Chemical damage: bleach damage certain materials. Professional assessment recommended before cleaning expensive surfaces.
Final Thoughts
Know your surface before selecting cleaning method. When in doubt, soft wash—it's safer.
Frequently Asked Questions
Costs vary based on scope and location. Consult with professionals for accurate estimates.