Once you do a deep clean to include buff and polish you should wipe down after every use for a boat or RV and cars/Trucks once a month and wash with non detergent soaps every 3 months. Deep cleans should be done 1 time a year and if you polish/Wax 2 times a year you will save a ton of money not needing a deep clean on your schedule but once every 2 years!

In general, houses should be power washed at least once a year any time between March and November. As it gets later in a calendar year, you'll want to make sure your home is taken care of before the freezing temperatures and winter weather arrive.

The answer is: YES, pressure washing absolutely can damage vinyl siding and other surfaces if done incorrectly. Pressure washing is not good to use on any kind of soft surface, like window screens, for example. Vinyl siding is a hard surface, but it's not as hard as, say, brick.

It will usually take around four gallons of water to power wash the entire house. However, you need to understand that this would vary based on numerous factors. If your house is small, you will have to spend less water. If your house is particularly dirty, you'll have to use more.