Tile Adhesive on Gypsum Board Substrate
A high quality polymer modified waterproof powder adhesive formulated in a way to obtain excellent characteristics of workability and adhesion. It is specially formulated to fix ceramic tiles on gypsum boards and all types of gypsum substrates. It is water resistant and does not contain fiber, asbestos & other harmful components.
Packaging:
NEOFIL F15 is packed in 25 Kg bags.
Consumption:
Approx. 2.5 to 4.25 Kg NEOFIL F15 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 surface free from dust, loose particles, deleterious matter, oil, grease, chemical films & other contaminant.
All cracks and joints should be treated with crack and joint fillers.
The surface of substrates must be moistened slightly with clean water to reduce the absorption of water from the mortar. Do not moisten the tiles.
Allow gypsum supports to cure sufficiently; percentage of humidity must not exceed 10%.
Gypsum substrates are highly porous and must be treated by PRIMER A16, a PVA based primer. Primer should be left on a tack-free condition for 2-3 hours before applying the adhesive.
If the substrate is excessively porous, a second coat of primer shall be applied again.
Mixing
Add NEOFIL F15 bag of 25 Kg into a container of 5 - 5.25 liters of water, mix until a uniform, lump free consistency mix is achieved. For mixing process, a slow speed drill (200 – 300 rpm) fitted with a suitable paddle is recommended.
Keep the obtained mix for 5 minutes and then remix before application.
Application
Spread NEOFIL F15 on the substrate to a uniform thickness of 3 mm using a toothed spatula, the first pass with its smooth part and the second pass with the toothed part.
Place the tiles onto the adhesive bed. Apply sufficient pressure on the tile during fixing with slight twisting movement in order to ensure good contact with the adhesive.
Apply enough material that can be tiled during the adhesive’s open wet time. Spreading larger areas may results in drying the adhesive before tiles can be fixed causing poor adhesion.
In case of large size tiles, it is necessary to spread the adhesive also to the backside of the tile and then place the tile into the adhesive bed.
Finishing
Remove excess adhesive with damp cloth before the material has set. Joint grouting between tiles may be commenced 10 hours after tiles has been laid on the walls and 24 hours after tiles are laid on the floors.
Cleaning
Tools and equipment should be cleaned with water immediately after use. Hardened materials should be mechanically removed.
Recommendations
NEOFIL F 15 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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