2024-25_NTCA_Reference_Manual_dig_dwnld

Table of Contents (continued)

NTCA White Paper – Wall-Flattening Products. .....................................................................................................................74 Questionable/Unsuitable Substrates.................................................................................................................................. 76 Substrates/Applications that Require Design Consideration..................................................................................................78 CHAPTER 3 BACKER BOARDS AND UNDERLAYMENTS ............................................. 81 Backer Board Definitions................................................................................................................................................... 84 Backer Boards..................................................................................................................................................................86 Introduction to Underlayments........................................................................................................................................90 Poured-Gypsum Underlayments....................................................................................................................................... 92 Tile Over Poured-Gypsum Underlayments and Leveling Materials Caution............................................................................ 93 Tile Over Poured-Gypsum Underlayments and Leveling Materials – Note to the Tile Contractor - Sample Letter for Contractor ....93 Flowable Hydraulic Cement Underlayment (FHU)/Self-Leveling Underlayment (SLU) ............................................................. 94 Loss of Poured/FHU/SLU Underlayment Bond to Substrate.................................................................................................. 95 Underlayment Cracking...................................................................................................................................................96 Underlayment Cracks and Their Treatment – Sample Letter for the Tile Contractor ............................................................ 98 Soft or Powdery Underlayment........................................................................................................................................100 CHAPTER 4 MEMBRANES..................................................................................103 Types of Membranes......................................................................................................................................................106 Crack-Isolation Systems ................................................................................................................................................ 110 Waterproof Membrane Document ....................................................................................................................................112 Slab on Ground Preparation and Precautions for Sheet and Liquid-Applied Crack-Isolation and Waterproofing Membranes ......113 Self-Adhered Crack-Isolation and Sound-Control Membranes ............................................................................................114 CHAPTER 5 MATERIAL-SPECIFIC PRODUCTS AND INSTALLATION...........................119 Tile not Manufactured to Industry Standards...................................................................................................................... 122 Large Porcelain and Glass Bodied Tiles............................................................................................................................ 124 Handmade Tile Installation...............................................................................................................................................126 Handmade Tile Installation Tips and Tricks..........................................................................................................................127 Zellige Tile Installation and Challenges..............................................................................................................................128 Pressed Cement Tile Introduction......................................................................................................................................130 Pressed Cement Tile. .......................................................................................................................................................132 Pressed Cement Tile Maintenance Issues...........................................................................................................................133 Encaustic Tile..................................................................................................................................................................134 Mesh Mounted Mosaics in Wet Areas.................................................................................................................................136 Glass Tile Description.......................................................................................................................................................138 Glass Tile........................................................................................................................................................................140 Glass Tile – Sample Letter for the Tile Contractor............................................................................................................... 142 Pre-mounting Mosaics General Overview...........................................................................................................................144 Pre-mounting Mosaics Methods........................................................................................................................................144 Advantages of Pre-mounted Mosaic Tile Methods. ..............................................................................................................148 CHAPTER 6 NATURAL STONE INSTALLATIONS....................................................... 151 Protection and Maintenance of Natural Stone Floors ...........................................................................................................154 Maintaining Polished Stone Countertops and Bars.............................................................................................................. 157 Maintaining Polished Stone Walls and Base Molding............................................................................................................ 157 Stone in Wet Areas...........................................................................................................................................................158 Stain Removal from Natural Stones....................................................................................................................................160 Stains on Natural Stone....................................................................................................................................................162 Scratches or Dull Traffic Areas in Natural Stone Tile Floors...................................................................................................164 Etched or Dull Areas in Polished Marble Surfaces................................................................................................................165 Cracked Natural Stone Tiles..............................................................................................................................................166 Lippage or Uneven Natural Stone Tiles............................................................................................................................... 167 Mesh-Backed Stone and Tile White Paper...........................................................................................................................168 Repairing Holes on Installed Travertine Tiles....................................................................................................................... 170

8

NTCA Reference Manual | 2024 / 2025