Water Resistant Ceramic Tile Adhesive
A premixed cement based ceramic tile adhesive. It is composed of grey colour powder and does not contain asbestos nor any other harmful components.
Packaging:
NEOFIL F7* is packed in 25 and 50 Kg bags.
Consumption:
Approx. 2.5 to 4.5kg NEOFIL F7* per m² using notched trowel on smooth surface. Consumption will vary according to type of tiles and support condition.
Storage:
Store in dry covered place in the original closed bags.
Shelf life:
12 months if stored as recommended.
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Surface Preparation
All surfaces should be sound, clean & uncontaminated. This preparation should leave an exposed concrete surface free from dust, loose particles, deletrious matter, oil, grease, chemical films & other contaminant.
All loose particles of mortar, paint, etc. must be physically removed.
Concrete or blockwork: allowed to cure sufficiently so that all shrinkage movements take place before fixing tiles.
Gypsum supports: treat with PRIMER A16. Should not have a percentage of humidity more than 10%. The surface of substrates must be moistened slightly with clean water to reduce the absorption of water from the mortar. Do not moistened the tiles.
Mixing
Place 4.5 – 4.8 liters of cold, potable water (or ELASTOKOL as needed) in the mixing bucket and add slowly 25 kg bag (or 9.0-9.6 L. for 50 kg bag) of NEOFIL F7* under continuous mixing till a uniform lump free consistency mix is achieved. For mixing process, a slow speed drill (200- 300rpm) fitted with a suitable paddle is recommended.
Allow the obtained mix to stand for about 5 minutes and then remix before application.
Application
Spread NEOFIL F7* on the substrate to a uniform thickness using a toothed spatula, the first pass with its straight edge and the second pass immediately after, to the desired thickness of NEOFIL F7* using the toothed part. Place the tiles onto the adhesive bed. Apply sufficient pressure on the tile during fixing it with slight twisting movement in order to ensure good contact with the adhesive.
In case of large size tiles, it is necessary to spread the adhesive also to the backside of the tile and then place the tiles into the adhesive bed.
Apply enough material that can be tiled during the adhesive’s open wet time. Spreading large areas may result in drying the adhesive before tiles can be fixed causing poor adhesion.
Finishing
Remove excess adhesive with a damp cloth before it dries. Joints grouting between tiles may be commenced after 10 hours of tiling for walls and 24 hours for floors.
Cleaning
Tools and equipment should be cleaned with water immediately after use. Hardened materials should be mechanically removed.
Recommendations
NEOFIL F7* can be harmful to skin as it contains cement powders which may releases alkalis when mixed with water.
During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.
In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly. If ingested, obtain medical attention immediately. Do not induce vomiting.
The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.
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