Soft washing is safe and it is the right approach for Kuna homes. On exposed properties the siding carries embedded wind-driven grit as well as ordinary film, and the instinct to blast that off with maximum pressure is precisely what damages the wall.
It is tempting to meet stubborn soiling with force. On vinyl and stucco that forces water behind the surface and can drive grit further into the finish. Low pressure with the right dwell time lifts it instead, at $0.18 per square foot.
Exposure means the windward side carries most of the soiling. Soft washing handles that difference through chemistry and dwell time rather than by escalating pressure on the worst wall, which is where damage usually starts.
Driveways, pads and walkways are pressure washed properly at $0.20 per square foot. Method follows surface type, which is why the two are quoted separately.
Soft washing removes growth, dust and film. It does not restore siding that has chalked or oxidised from years of intense sun exposure, which on west-facing Kuna walls is a genuine and common limitation.
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Yes. It uses low pressure and appropriate chemistry, which is safe for vinyl, stucco and painted surfaces.
No. That forces water behind the siding and can drive grit into the finish. Dwell time does the work instead.
Exposure. The windward elevation collects far more grit than the sheltered sides.
No. Chalking and oxidation from years of sun exposure are not removed by cleaning.
$0.18 per square foot for house washing, $0.20 per square foot for flatwork.
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