PVC Panel Doors are the foremost material of choice for bathroom doors nowadays because of their low assembling time (i.e. time taken to make a door ready of the size required by the clients). Despite the fact that wooden doors tend to look elegant they are generally saved for main doors. Wood naturally has high coefficient of moisture absorption which may bring about the bending of the door after some time.
Alternately, Steel doors are extremely durable and rugged. While steel is likewise normally resistant to water damage, steel tends to be a bit on the costly side. Besides, another factor that ought to be considered is that prolonged exposure to moisture will eventually cause many steel doors to rust.