In tub and shower remodeling often it’s what you don’t see (the wallboard system behind the wall) that’s as important as what you do see (the decorative ceramic or natural stone tiles inside the space). The reason is – water can be the enemy of long lasting walls. So – how do you fight against damage (mold/mildew/wall deteriorating) caused by water and condensation in a bathroom? Choose the right tub and shower wall backer system. This article will advantages and disadvantages of the 5 most used systems (in no particular order).