Advantanges. Abuse resistant. Engineered to provide increased resistance to abrasion, indentation and penetration. Water Resistant. FIBEROCK Aqua-Tough interior panels are water resistant through the core and intended for use in intermittently wet areas including tub surrounds. Mould resistant. In independent lab tests per ASTM D3273-00 "Standard Test Method for Resistance to Growth of Mould on the Surface of Interior Coatings in an Environment Chamber," the score for FIBEROCK Aqua-Tough Interior Panels was 10 (highest score). Environmentally friendly. Made from 95% recycled materials. Fire Resistant. These panels offer superior fire resistance and demostrate exception surface burning characteristics. Finishing Flexibility. Aqua-Tough Interior Panels feature a smooth, paintalbe surface that can also be finished with ceramic tile.