A pressure washer can scratch your car and even remove paint from your car if you're not careful so it's not recommended to use a pressure washer on your cars exterior.
Using a pressure washer under your car or between the wheels or under the hood is okay but you should also be careful to not damage any electrical wires or electrical components under the hood or under the car.
Places where you should not use a pressure washer are on gutters, plants, flowers and trees, asphalt shingles, electrical meters and panels or painted surfaces.
It's also best to not use a pressure washer on vinyl siding as the high pressure can strip the protective sealant and leave an uneven appearance to the siding.
The pressure washer can also strip paint off a house as well so unless you want to strip the paint off the house you should avoid pressure washing the painted house.
And it's also not recommended to pressure wash a car unless you're really careful as the pressure washer could strip the cars paint off and even scratch it.
The places that need pressure washing the most are decks and patios, store fronts, sidewalks and metal roofs.
Patios and decks are the areas that need pressure washing the most around the home as they can get mildew growth, grime, mold and dirt on them regularly.
The amount of force that a pressure washer puts out is between 1,500 psi to 3,200 psi although some larger pressure washers can put out 4,000 PSI and even as high as 30,000 PSI for very large pressure washers.
The difference between a pressure washer and a power washer is a power washes uses heat and pressure to clean things and a pressure washer uses only cold water at high pressure to wash things.
Other than the difference in temperature used the pressure washer and power washer are the same thing but one uses heat and the other doesn't.
Pressure washing is usually less expensive than power washing because it uses less water and isn't as intense as power washing.
Power washers are better for large jobs, while pressure washing is more suited to smaller tasks.
In inexperienced hands, a pressure washer can cause damage to homes or even to your car's paint, trim, or delicate parts.
High-pressure water can strip away protective coatings and even force water into vulnerable areas, leading to rust or electrical issues.
Pressure washers are incredibly strong, and can break skin and cause other injuries.
A pressure washer should never be used on any living thing—no humans, pets, or plants.
Don't use a pressure washer while working on a ladder or on your roof—the recoil could throw you off balance.
Vinyl siding can withstand a powerful gas pressure washer (2,500-3,000 psi).
Aluminum, stucco or soft-grain wood homes will do better with a less powerful washer (about 1,200-1,500 psi).