The cannabis grow room walls in the USA are FDA approved, which means the most hygienic product that you have ever got to create the natural climatic condition for cannabis.
The Grow room walls are made of PVC material, and that is the reason they are resistant to moisture and does not affect by chemicals.
The wall panels that you get from wall panel suppliers Duramax are fire-resistant.
The FDA compliant wall panels are in the USA also easy to keep clean.
https://www.duramaxpvcpanels.com/applications/grow-rooms/