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Pressure Washing · FAQ

Pressure washing FAQ

The three questions people ask most are what it costs, how often to do it, and what it can damage. Fixr's 2026 figures: a house averages $700 within $500 to $900, a driveway $225, a deck $145, a fence $180. Annual is the common frequency for most surfaces. And the definitive don't: ARMA states you should never pressure wash an asphalt shingle roof, because it causes granule loss and very likely premature failure.

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Most pressure washing disputes come from one misunderstanding: that the machine is the service. It isn't. The service is knowing which surfaces can take force and which need chemistry, and applying the right one to each.

If you only remember one list, make it the never-pressure-wash list: asphalt shingle roofs, per ARMA and Malarkey; most roofing generally, per Fixr; anything wood at high pressure, with Today's Homeowner putting over 2,000 PSI as excessive; and masonry at pressures high enough to bring stone grains into the runoff, per NPS.

And one question to ask every bidder: which surfaces will you soft wash, and at what pressure will you clean the rest? A specific, surface-by-surface answer means you're talking to someone who knows the work.

How to choose

Compare quotes surface by surface
A single lump sum hides which surfaces are included and what method is planned for each.
Assume soft washing is the default
For roofs, siding and wood it's the correct method — and per Fixr it's usually cheaper than pressure washing anyway.
Take before-photos every time
Dated, every elevation. It costs nothing and settles almost every dispute about pre-existing damage.
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Pressure Washing faq — common questions

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Per Fixr: a house averages $700 within a $500 to $900 typical range at $0.30 to $0.80 per square foot; a 600 square foot driveway averages $225; a deck averages $145; a fence averages $180. Hourly rates run $50 to $150 with most house jobs at two to four hours.
Asphalt shingle roofs above all — ARMA says never, because it causes granule loss and very likely premature failure. Fixr adds that most roofing materials should never be pressure washed. Also avoid high pressure on wood (over 2,000 PSI is excessive per Today's Homeowner), on soft stone and some brick, and never aim the stream upward under siding.
Annually is the common baseline, adjusted for conditions. Fixr specifically recommends at least yearly for driveways and annual spring washing for decks. Shaded, damp elevations may need it every year; sunny, open walls can go longer.
Usually. Fixr prices house soft washing at $0.25 to $0.35 per square foot or about $375 to $525, against $0.30 to $0.80 per square foot for pressure washing. It's the gentler method and often the cheaper one.
They give a different method and pressure for each surface, they let cleaning solution dwell rather than relying on force, they refuse to pressure wash your roof, they protect plants as ARMA advises, and their insurer will send you a certificate directly.
Sources

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