What's the maximum pressure you should use to power wash a deck?
Answer 1200 psi
Pine decks should be washed at no more than 500 psi to avoid pitting. Hardwood decks can be washed at 1000 psi, but no wood would ever need anything more than 1,200 psi. That would do damage.
Asked by Elizabeth T · Last updated 5 years ago · 249.5K views
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