Today’s ship (marine) interiors are primarily adapted to fire safety and therefore sandwich panels with non-conductive insulation are most often used. Flat sandwich panels are most commonly used for moisture resistance and, if properly installed, can also be used as a shower cabinet walls because they have a plasticized thin layer in various colors that is completely waterproof.
In rooms for storage and preparation of the food, stainless steel wall and ceiling panels are usually used. The most important thing about the ceiling panels is the safety.
There are different types and shapes. Most commonly used panels are the ones easy to remove and return because of some unplanned work, additional modifications and retrieval of new pipes and cables.