Walls - tile backerboard
James Hardie - HardieBacker® Backerboard
Prevent mold and moisture damage in wet areas by installing HardieBacker 1/4" or HardieBacker 500 on your walls, floors and countertops.
USG - Durock®
Durock® Brand Cement Board is a high-strength ceramic tile backer board that delivers a water-durable tile base for walls, ceilings and countertops—anywhere tile is used.