Applying cement paste for wall tiles involves the
following steps:
Surface Preparation:
Ensure that the wall surface is clean, dry, and free from any dust, debris,
grease, or loose particles. Remove any old paint, wallpaper, or other coatings
that may hinder proper adhesion. Repair any cracks or imperfections in the wall
surface and ensure it is structurally sound.
Mixing Cement Paste:
Cement paste is typically prepared by mixing cement and water to create a
smooth and creamy consistency. Use a clean mixing container and follow the
manufacturer's instructions for the recommended water-to-cement ratio. It is
important to achieve a homogeneous paste without any lumps.
Applying Cement Paste:
Using a steel trowel or a notched trowel, apply a thin layer of cement paste
onto the wall surface. Start in a small area that you can comfortably work with
to ensure that the paste remains workable during the application process. Spread
the paste evenly and smoothly, covering the entire area where the tiles will be
installed.
Comb the Cement Paste:
After applying the cement paste, use the notched side of the trowel to create
ridges or comb marks in the paste. This helps to ensure proper coverage,
adhesion, and leveling of the tiles. The size and depth of the ridges will
depend on the recommended notch size for the specific tile size and type being
used.
Tile Installation:
Begin installing the tiles onto the cement paste while it is still fresh. Press
the tiles firmly into the paste, ensuring that they are properly aligned and
seated. Use tile spacers to maintain consistent grout joints. Periodically
check the alignment and levelness of the tiles as you progress with the
installation.
Grouting:
Allow the cement paste to dry and cure according to the manufacturer's
recommendations before proceeding with grouting. Typically, this requires
waiting for the cement paste to harden and set, which can take several hours or
even a day. Refer to the cement paste manufacturer's instructions for the
recommended curing time.
Grout Application:
Once the cement paste has fully cured, remove the tile spacers and apply grout
between the tiles. Follow the grout manufacturer's instructions for mixing and
applying the grout. Use a grout float or a rubber grout trowel to push the
grout into the joints, ensuring complete coverage. Remove any excess grout from
the tile surface using a damp sponge or cloth.
Curing and Cleaning:
Allow the grout to cure according to the manufacturer's instructions.
Typically, this involves keeping the grout moist and protected from excessive
drying. Once the grout has cured, use a grout haze remover or a damp cloth to
clean any grout residue or haze from the tile surface.
It is important to follow the manufacturer's
instructions for the specific cement paste and grout being used and to consider
factors such as ambient temperature, humidity, and ventilation during the
application process. Proper surface preparation and correct mixing techniques
are crucial for achieving a strong and durable bond between the wall tiles and
the cement paste.
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