||Installation of ceramic floor tile|
start to install tile, please be aware of the following important points:
Ensure you have ordered sufficient tiles from the same production batch and/or
of the same work size and shade code to complete the installation; it may
be difficult or impossible to obtain an exact shade match later.
If possible, retain a small stock of tiles for future repairs.
Before you start, read carton labels and information on cartons.
Shade variation is a natural feature of ceramic floor tiles - check for
acceptability before the tile installation.
Make a note of batch numbers, work sizes and shade codes for future reference
or in case of complaint.
A degree of shade variation is inherent in the manufacture of ceramic floor tiles.
In addition "blends" have a deliberately varied effect.
In order to obtain an attractive and overall natural effect, several packs
should be opened and their contents
mixed before installing.
As members of The National Tile Assosiation ( NTCA) we wish to
point out the agreed position of members of the Association regarding
complaints on shading:
In common with most products manufactured from
natural materials there can be shade variations from batch to batch. Please
note therefore that:
Samples and displays may not be identical to the
shade currently in stock.
It is important to purchase sufficient
tiles from one batch to complete the job as it may not be possible to obtain
the same shade for subsequent orders.
It is the responsibility of the
buyer to ensure that they have an acceptable blend and to check tiles before
setting as no claim can be accepted for this reason once tiles have been
examined and installed.
Tiles are carefully checked for defects prior to
packing but it is possible for damage to occur in storage, transit or before
installation. We do not accept any responsibility for any consequence of installing
tiles with obvious defects.
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For explicit details
on the various methods of laying floor tiles and the selection, positioning
and installation of movement control joints refer to NTCA Publication
"Technical Specification for Ceramic Floor Tile Installation" and ASI AS 5385
Part 3: 1989 "Wall and Floor Tiling". Ceramic floor
tiles may be install into sand / cement semi-dry screed, bedding mortars,
standard, latex improved or rapid setting ceramic floor tile adhesives.
These adhesives may be used to set tiles to fully cured sand/cement screeds
or concrete surfaces. Concrete must have set and cured for 6 weeks and
sand/cement screeds must have cured for 3 weeks (unless proprietary rapid
setting screeds are used). The tile adhesive is generally applied at between
3/16" and 3/8" bed thickness using the solid bed method and ensuring no
voids are left beneath any tile. This is achieved either by using a suitable
notched trowel or by "buttering" the back of the tile. Avoid any "lipping"
of adjacent tiles. The adhesive must be allowed to set thoroughly before
grouting of the tile commences.
GROUTING OF TILES
between the tiles should generally be a minimum of 1/8" wide. The joints
between ceramic floor Tiles must be fully filled using either a cement-based
grout (general-purpose use) or an impervious or epoxy grout (hygiene, stain
resistant or waterproof uses). In exterior situations where water may
penetrate standard cement based grouts, a waterproof grout should be used to
prevent water penetrating of the tiling system, which could lead to ultimate
failure or frost damage of the tiling system.
Ensure the instructions of the grout manufacturer are followed Clean
grout off the surface of tiles before it has had time to set. This is
particularly important in the case of epoxy or resin based grouts. It may be
difficult or even impossible to remove hardened grout from the face of the
tile. Some colored grouts may, due to the type of pigmentation used,
fill the micropores in the surface of some unglazed tiles and produce a
stain on the face of the tile. This may be difficult if not impossible to
remove. If using colored grouts, we strongly recommend that a trial area
be grouted to check compatibility.