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Table of Contents (continued)

CHAPTER 10 GROUTS........................................................................................279 Grout Selection Guide......................................................................................................................................................282 Choosing Stain-Resistant Grout in Tile Specifications........................................................................................................ 286 High-Performance Cement and Modified Epoxy Mortars and Grouts......................................................................................287 Standard and High-Performance Cement Grouts: High-Performance Cement Grout............................................................................................................................... 288 Efflorescence........................................................................................................................................................... 290 Latex Migration.........................................................................................................................................................294 Crazing and/or Cracking of Grout Joints...................................................................................................................... 295 Low Grout Joints.......................................................................................................................................................297 Pinholes in Grout Joints............................................................................................................................................ 298 Powdery or Soft Grout Joints.....................................................................................................................................300 Rough-Textured Grout Joints......................................................................................................................................301 Inconsistent Grout Color........................................................................................................................................... 302 100% Solids Epoxies and Furan Grouts: Grouting with 100% Solids Epoxy...............................................................................................................................306 Grouting with 100% Solids Epoxy – Tile Contractor’s Sample Letter . ......................................................................... 308 Acceptable Joints when Grouting with 100% Solids Epoxy...........................................................................................309 Low Grout Joints...................................................................................................................................................... 320 Pinholes in Grout Joints..............................................................................................................................................311 Soft Grout Joints.......................................................................................................................................................312 Inconsistent Grout Color............................................................................................................................................313 CHAPTER 11 MAINTENANCE. .............................................................................. 315 Tile Installation Care and Maintenance...............................................................................................................................318 Care and Maintenance Sealers..........................................................................................................................................319 Recommendations for Exterior Tile Maintenance................................................................................................................ 320 Recommendation for Interior and Exterior Maintenance of Polished Porcelain Tiles................................................................322 Maintenance of Textured/Unglazed Porcelain Tiles..............................................................................................................322 Use of Porcelain Tiles – Sample Letter.............................................................................................................................. 323 Grout Haze on Textured/Unglazed Porcelain Tiles................................................................................................................324 Grout Haze on Polished Porcelain Tiles...............................................................................................................................324 Care and Maintenance Helpful Hints..................................................................................................................................325 Care and Maintenance Problem Solving............................................................................................................................ 326 CHAPTER 12 PRECAUTIONS............................................................................... 329 Mold – What It Is and What to Do About it...........................................................................................................................332 Tile over Other Surfacing Materials – TCNA Handbook Method TR711 (Asbestos Fiber Warning)................................................ 333 Tile over Other Surfaces................................................................................................................................................... 334 Spot Bonding.................................................................................................................................................................. 335 Use of Felt and Similar Products as Crack-Isolation Membrane.............................................................................................337 Optical Hazing Possibly Caused by Post-Fire Organic Coatings and/or Polishing Inconsistencies........................................... 338 CHAPTER 13 GLOSSARY.................................................................................... 339 INDEX OF TABLE OF CONTENTS.......................................................................... 364 INDEX OF CONTRACTOR LETTERS........................................................................367 ADVERTISER INDEX.......................................................................................... 368

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NTCA Reference Manual | 2024 / 2025