According to the video a heavy duty project like this requires a pressure washer with a rating of at least 2500 psi.
Pressure washer to remove paint from wood siding.
Starting low and gently working your way up is the safest bet.
Be sure to use cold water in the pressure washer for the best results.
Because of the high pressure levels it can be very efficient and can drastically cut the time to complete this task.
According to sutherlands paint company very high powered pressure washers can damage wood or other paint substrate.
Learn how to strip paint with a water pressure washer.
Avoid using a pressure washer over 3 000 psi.
Stripping paint with a pressure washer is a job you want to make sure you do right from the start.
Instead work slowly and carefully.
A pressure washer can quickly ruin vinyl siding by cracking it with the high pressure stream of water so it s necessary to know which pressure level and nozzle to use.
Based on our experience we recommend getting a pressure washer with at least 3000 psi.
For wood the best you can do is to remove as much paint as possible with the pressure washer but not all of it will come off.
When using a paint stripper your pressure washer can be set from 800 to 1 200 psi to effectively remove the paint from a distance of around three feet.
Both of these types of wood require different levels of pressure to remove the paint and to prevent damage.
Additionally vinyl does not absorb paint like wood does so the paint will be easier to remove.
Other sources say you should have between 2 000 and 4 000 psi.
Selecting a pressure washer with a range of 2 000 psi to 4 000 psi will give you the most effective power for removing peeling paint.