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The majority of professional pressure washers use a technique called “soft washing”. Typically less than 1000 PSI is used to clean a house. Very little pressure is used, with the surface being cleaned by the detergents applied, and then rinsed by the pressure washer. By using lower pressure, there is less chance of harm to the washer or the surface being cleaned.
 

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Different ways to get the best result.

Softwashing on many surfaces is far superior to pressure washing. Pressure still has its time and place, just not as often with us anymore.
Nice Ray,
We all clean different surfaces and yes soft wash is fantastic for a lot of your work. Over here we seem to concentrate on concrete and hard surfaces, Colorbond etc buildings. There is a good use for both types of cleaning, whatever gets the best result for our clients.
Whatever makes it easy.
BTW, just ordered another 10 gallons of EBC from Nick Hopkins, #softwashaustralia
 

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Soft washing. Soft washing is a cleaning method using low pressure and specialized solutions (typically bleach, water, and sometimes a surfactant) to safely remove mildew, bacteria, algae and other organic stains from roofs and other building exteriors. It is so named to differentiate the method from power washing.
 

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Well honestly it depends. Soft washing can clean just about anything, but there are times when a little bit of pressure can go a long way. Limestone bricks are a great example. Throw simple cherry and roof mix, let dwell 10 minutes and hit with about 500-1000psi. You could let it sit for a while and hope it gets it all off, but youre better off just doing a quick rinse to make sure. Plus when doing high ticket items like this you wanna make sure the owner sees the results.
 

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Hey,
We use the best of both soft and pressure for building cleaning. Downstreaming ~2% at the handpiece (not through the hoses) and then just swap out the venturi to rinse at 1000 - 2000 psi with long range tips or 300 psi fan tip for windows. It works great as you have full control and any pressure needed to blow nest etc off. Hope that helps. Pete
 

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