The garage wall panels in the USA are moisture-proof that prevents the environment from being damp.
If you install the FDA-compliant wall panels that will make sure there is no fungal attack on the wall, which promotes corrosion to the vehicles.
You will get such panels at Duramax as they are a trusted wall panel supplier in the USA.
The panels are durable and easy to install, so you do not have to spend extra money on them.
https://www.duramaxpvcpanels.com/applications/car-wash/