How To Repair Acrylic Shower Wall. If you don't have a detachable shower head, the easiest way to rinse your shower walls is to use a cup or once your shower's finish has undergone this kind of damage, it's virtually impossible to repair. The rule of thumb is that if the hole is smaller than 1/2 inch, you should be able to make the repairs yourself.
Acrylic sheets are made of a flexible, waterproof plastic that interlocks in the corners of the shower.
How to repair walls & ceilings. Freedom finishes refinishing products, llc. Luckily, newer showers and shower liners made from synthetics like acrylic are a breeze to clean. A leaky shower faucet or shower head can be both irritating and expensive.