In november 2007 the ceramic tile distributors association ctda and the tile council of north america tcna launched the porcelain tile certification agency ptca to certify porcelain tile.
Tcna handbook for ceramic tile installation detail ej171.
For exterior exposure installations ej171 09.
It is interesting to note that the stone industry also points back to this detail.
A108 13 installation of load bearing bonded waterproof membranes for thin set ceramic tile and dimension stone 2005 reaffirmed 2016 status.
Tile council of north america tcna tcna handbook for ceramic tile installation tcna method ej1.
The tcna handbook recommends allowing for expansion and contraction in every tile installation.
Porcelain tile is defined as an impervious tile with a water absorption of 0 5 or less.
To ensure the longevity of large ceramic tile or stone installation it is important that the installation is free to move.
The publication available for purchase through tcna and ansi is current.
In small rooms a gap at the perimeter of the room often hidden by baseboard or shoe molding is sufficient.
Specify the specific movement joint details for the respective application from detail ej171 in the tcna handbook for ceramic glass and stone tiles.
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See page 13 of this handbook tcna ej171 and ttmac 301 mj.
These soft joints in the tile assembly and.
For larger areas the movement joints will be visible.
Setting and grouting materials modified thin set mortar ansi a118 11 unmodified thin set mortar ansi a118 1 grout ansi a118 3 a118 6 a118 7 a118 8 setting and grouting specifications tile ansi a108 5 grout ansi a108 6 a108 9 a108 10 other considerations.
Absent a design professional as a safe harbor the tcna suggestions outlined in detail ej171 in the tcna handbook for ceramic glass and stone tile installation can be followed.
Aconformance to building codes.
Request installers properly clean and prime movement joints as required by the sealant manufacturer.
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Tcna s handbook mandates a soft movement joint every 20 25 feet 6 7 6 m for interior installations closer.
A108 14 installation of paper faced glass mosaic tile 2010.
The movement joints need to be completely open and free from any obstructions.