Fiberock Aqua-Tough tile backerboard and Durock cement board are available from USG Corp. Fiberock Aqua Tough panels are designed for use on walls, floors, ceilings and floor underlayment. Durock cement board is a premium tile backer for floors, walls and ceilings. Both products, according to the company, help control mold. Booth #3046.For details, circle 154 on the Reader Inquiry Card.