What to use on painted wood

Lady wants her house pressured washed and I've never done wood paneling before. Is it safe to use house wash, or use some deck cleaner.


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You treat it the same as a regular house because you are cleaning and removing the same mold, mildew, etc. and just use the lowest possible pressure to get the job done. Some things to look out for though, one is let the customer know that you are not responsible for loose paint or stain that may come off. You are only low pressure cleaning and not using anything that would take off a coating that was intact. On your first picture it looks like damage or rotting wood along the bottom near the deck, I always make notes of these on the proposal. Look for other areas like this and document them so that you and the homeowner are on the exact same page prior to cleaning. You are trying to protect yourself from the homeowner who says afterward that you caused ______ damage and now he/she wants you to have the house repainted or stained. In summary, cover your butt on these jobs.

Rapid HotClean

New member
Everett is giving you excellent advise - like potentially $4K worth for free.

The siding is T-111 plywood and appears to be coated with stain, which the norm for that material around here. It's already in grave need of painting/staining (pic 2).