3.4
INSTALLATION OF FLOOR TILE
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NOTE: This paragraph covers two different methods
of installing tile on floors. The mortar bed method
F111, F112, F114, and F121 and direct to concrete
with dry-set mortar method F113 and F115. See TCA
Hdbk for detailed guidance.
General guidance is as follows:
The mortar bed method will be used for areas having
a floor drain.
Dry-set mortar direct to concrete is suitable for
areas without a floor drain or when it is not
practical to recess the slab.
Where more than one method is used for the same
project, care must be taken to ensure that the
drawings clearly indicate the various substrates and
where each method is used. Where only one method is
used on a project, clearly specify that method only.
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Floor tile shall be installed in accordance with TCA Hdbk, method [_____].
Shower receptors shall be installed in accordance with TCA Hdbk, method
[B414] [B415].
3.4.1
Workable or Cured Mortar Bed
Floor tile shall be installed over a workable mortar bed or a cured mortar
bed at the option of the Contractor. Workable mortar bed materials and
installation shall conform to ANSI A108.1. Cured mortar bed and materials
shall conform to ANSI A108.1. Joints between quarry tile shall be between
6.35 mm 1/4 inch and 9.53 mm 3/8 inch in width and shall be uniform in
width.
3.4.2
Dry-Set and Latex-Portland Cement
[Dry-set] [or] [Latex-portland cement] mortar shall be used to install tile
directly over properly cured, plane, clean concrete slabs in accordance
with ANSI A108.1. Latex portland cement shall be used when installing
porcelain ceramic tile.
3.4.3
Resinous Grout
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NOTE: Resin grout will be used where chemical
resistance is required. For quarry tile subject to
severe chemical exposure conditions, use Section
09330 CHEMICAL-RESISTANT QUARRY TILE.
The areas to receive resin grout must be clearly
indicated on the drawings or defined in the
specifications. Due to the higher cost of this
grout, its use will generally be limited to areas
such as:
SECTION 09310
Page 14
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