Pressure Washing Calculator
Pressure Washing
Calculate the area and time for pressure washing.
Formula
Time = SqFt * (SurfaceFactor / 60) * DirtLevel
Frequently Asked Questions
How long does pressure washing take?
About 2 to 5 minutes per 100 sq ft depending on surface.
What PSI should I use?
Use 1500 to 2000 PSI for decks and 2500 to 3000 for concrete.
Can pressure washing damage surfaces?
Yes, use lower PSI on wood and painted surfaces.
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