The psi is irrelevant for this job because the nozzle and how far you hold the wand from the surface will determine it.
How much psi do i need to clean vinyl siding.
All the pressure washers with 2 3 gpm have at least 2 600 psi.
After checking for all possible exterior home damage knowing what to look out for and starting on a minimal pressure level from a safe distance you will be ready to power wash your vinyl siding.
You will want a power cleaner with at least 2 3 gpm.
As concrete is much stronger than wood and your car you might need a stronger psi for cleaning.
Gas pressure washers usually range from 2000 4000 psi and cost more than electric.
Try to hold the nozzle straight or at a slight downward angle to avoid getting water behind the siding.
This is just asking to shatter the plastic especially if it has had some exposure to the sun.
Some good vinyl sider cleaner solutions include.
70 water 30 white vinegar makes a great all purpose vinyl.
You don t need to clean the siding so often that you need to do this in the winter anyway.
To rent or buy.
Clean vinyl siding with a pressure washer cleaning vinyl siding by hand can be long and tiring so some choose to pressure wash a house.
Pressure washers save a lot of time and energy and produce clean results but can also damage siding and cause more problems if used incorrectly.
Make sure to use an environmentally friendly cleaning concentrate that is safe for siding landscapes windows and sidewalks.
Vinyl siding is one of the easiest materials to clean with mild detergent moderate pressure a white fan tip.
Do not use a pressure washer on vinyl in below freezing temps.
Pressure washing machines can be bought online or in retail stores or rented from local equipment rental companies.
Gas will give you more power but you really only need 1300 to 1600 psi for most exterior cleaning needs including vinyl siding.
When cleaning vinyl siding remember to thoroughly rinse away any residue as you go.
That will make it more brittle.
A machine with a psi of between 1 300 and 1 600 is desirable in cleaning most siding materials including vinyl siding.
Usually concrete flooring would be around 8 inches so a psi 3500 to 4000 is good enough.