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Tips For Recified Tile
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Tips For Recified Tile



Breif overview of covering some areas of large tile manufacturing process, tile industry standards, and installation limitations

Breif overview of covering some areas of large tile manufacturing process, tile industry standards, and installation limitations



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Tips For Recified Tile Presentation Transcript

  • 1. Tips for Installing Rectified Tile SURFACES 2009 Education: February 2 - 5 Sands Expo and Convention Center Las Vegas, NV
  • 2. Presented by
    • Noah Chitty
    • Director of Technical Services
    • Dave Gobis
    • Technical Consultant
  • 3. A Few Reminders…
    • SURFACES encourages attendees to be “active” participants by asking questions.
    • Be prepared to learn with an open mind.
    • Remember “Think Outside the Box”.
    • Visit the Installation Showcase & SURFACES Elevations for additional demonstration times.
    • See room monitor or go to Marco Polo 701 for questions on CEU forms.
    • Don’t forget to TURN OFF all electronic devices.
  • 4. Rectified Tile, What is it?
    • Most tile is made by the dust press process
  • 5. Tile is Then Fired Where some changes in dimension occur
  • 6. Inspected, Sorted, and Stored
  • 7. Rectified Tile Has an Additional Manufacturing Process Where tile maybe cut…………
  • 8. Rectified Tile Has an Additional Manufacturing Process Or ground to very tight tolerances
  • 9. Dimensional variation occurs in ALL TILE Rectified tile’s cut or ground edges assure limited size variation
  • 10. Recently revised American National Standards provide realistic expectations for products
  • 11. This recent revision now includes a category for Rectified Tile
  • 12. Products need to be coupled with realistic expectations for installation
  • 13. Recognizing tile and surface variation
    • New language has been added to address grout joint size and lippage
    • For requirements on workmanship, cutting, fitting and grout joint size refer to ANSI A108.02 section 4.3
      • To accommodate the range in facial dimensions of the tile supplied for a specific project, the actual grout joint size may, of necessity, vary from the grout joint size specified. The actual grout joint size shall be at least 3 times the actual range of facial dimensions of the tile supplied. Example: for tile having a total variation of 1/16” in facial dimensions, a minimum 3/16” grout joint shall be used…
      • 1/16” minimum grout joint size
  • 14. Grout joints are required for variation in the tile and substrate
  • 15. Lippage Allowances (minus warpage) 1/32” of an inch is .0312 or about the thickness of a credit card 1/16” of an inch is .0625 or about the thickness of a penny Tile Type Tile Size Grout Joint Width Allowable Glazed wall/Mosaics 1” x 1” to 6”x6” 1/8” or less 1/32” Quarry 6” x 6” to 8”x8” 1/4“ or greater 1/16” Paver (porcelain) All 1/8” to 1/4“ 1/32” Paver (porcelain) All 1/4“ or greater 1/16”
  • 16. Big Tile and Patterns
    • Consider 1/3 offset with 12x24 tile
    • Make sure modular patterns fit
    If necessary To minimize any natural warpage
  • 17. Few Floors are Flat Enough for Large Format Tile
    • Lack of definition can result in varying
    • interpretations of “large format”
    • Large Format Glass Tile Installation:
    • The installation of individual 3" x 3" or
    • larger module (unmounted) glass tile
    • requires that the specific tile manufacturer
    • recommendations be followed.
  • 18. Varying interpretations of “large format”
    • Large Format Tile Coverage
    • The following installation techniques are required to ensure proper coverage of the bonding surface of larger tiles and provide full support of edges and corners. Large tiles are generally considered to be 8" x 8" and greater. Select a notched trowel sized to facilitate the proper coverage. Key the mortar into the substrate with the flat side of the trowel. Comb with the notched side of the trowel in ONE DIRECTION.
    • Needless to say . . .
    • In today’s modern era, most would not consider an 8” x 8” ceramic tile to be very “large”
    • Advancements in technology have aided in the production of very large impervious tiles, making them more available.
  • 19. General Current Consensus
    • 18 x 18 and larger are “Large Format”
    • According to a survey of manufacturers, in 2007 U.S. manufacturers that could produce tiles 18” x 18” and larger reported that such tiles made up approximately 1/3 of their sales
    • ( Source TCNA)
  • 20. Check Floor Flatness
    • ¼ inch in 10’ using a straight edge
    • No more than 1/16 “ variation in a 1’ area
    • For larger tile up to 18”x18” 1/8” would be appropriate but would add cost
    • For 2’x2’ tile 1/16” in 10’ would be appropriate and add substantial cost
  • 21. Floor Remediation
    • Thin-set tile installations have a specified subsurface tolerance, for instance ¼" in 10' and 1/16" in 1'-0", to conform with the ANSI specifications. Because thin-set is not intended to be used in truing or leveling the work of others the subsurface typically should not vary by more than 1/16" over 1'-0", nor more than 1/32. Should the architect/designer
    • require a more stringent tolerance (e.g., 1/8" in 10'), the subsurface specification must reflect that tolerance, or the tile specification must include a specific and separate requirement to bring the 1/4" subsurface tolerance into compliance with the 1/8" tolerance desired.
  • 22. Select appropriate floor fill material It is much easier to flatten the floor rather than flatten the tile
  • 23. Use Appropriate Thinset
    • Standard thinset mortar has a thickness limitation of 3/32” to 3/8”
    • Medium Bed thinset mortar has a thickness range of up to ¾”
  • 24. Ceramic Tile is NOT Structural
    • Always make sure the method used for installation provides atleast 80% coverage equally distributed
  • 25. Always provide movement joints
    • interior — 20’ to 25' in each direction.
    • exterior — 8' to 12' in each direction.
    • interior tilework exposed to direct sunlight or moisture — 8’ to 12'
    • where tilework abuts restraining surfaces
    • same as grout joint, but not less than 1/4".
  • 26. Thank You For Attending!
    • Noah Chitty
    • Director of Technical Services
    • StonePeak Ceramics, Inc.
    • 1 (312) 506-2800
    • [email_address]
    • For more information
    • Dave Gobis
    • Technical Consultant
    • Ceramic Tile Institute of America
    • 1 (310) 574-7800
    • [email_address]