Tile Adhesives

Cement Based Adhesive

Monneli Neofil F50


NEOFIL F50 is used for internal and external tile laying both on wall and floor applications. It is suitable for use on the following:
Institutional Kitchen
Swimming pools
Tile on tile applications
Ceramic, vitrified tiles, granite floors
Marble and natural stones
Klinker tile
Single-fired tiles
Gypsum after having first applied PRIMER A16
It can be applied on deformed supports caused by static loads
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Technical Information
Product Description

NEOFIL F50 is a polymer modified water resistant, flexible, cementitious tile adhesive. It is an easily workable product with high adhesion power. It is thixotropic characteristics permit to apply on vertical substrates without slipping.

It does not contain asbestos nor any other harmful components.

  • Easily workable
  • Good open time
  • Highly thixotropic
  • Excellent bond and tensile strength. Adheres to all materials normally ised on buildings
  • Hardens without appreciable shrinkage
  • Eco-friendly
  • Formulated to suit Middle East Conditions
  • Water resistant
Compiliance Standard

Applicable Standards

  • European EN 12004  C2TE
  • European EN 12002 S1 (if mixed with ELASTOKOL)
  • ANSI A 118.4
  • ISO 13007 – C2TE or C2TES1 (if mixed with ELASTOKOL)
Packaging, Coverage / Consumption


Approx. 2.5 to 4.5 Kg. NEOFIL F50 per m² using notched trowel on smooth surface. Consumption will vary according to type of tiles and support condition.



NEOFIL F50 is packed in 25 Kg bags.

Shelf Life & Storage


Store in dry covered place in the original closed bags


Shelf life

12 months if stored as recommended 

Grey or White
Technical Properties
Appearance  Powder
Color  Grey or white
Dry density  1.50 kg/L
Wet density 1.70 kg/L
VOC 5.0 g/L
Water resistance Excellent
Slip resistance Excellent
Flexibility Excellent
Open time >30 minutes
Workable time 45 minutes
Wall grouting After 10 hours
Floor grouting After 24 hours
Shear strength 1.4 N/mm2
Tensile adhesion strength 
Initial adhesion at 28 days >1.4 N/mm2
Adhesion after heat ageing >1.12 N/mm2
Adhesion after water immersion >1.18 N/mm2
Open tensile adhesion strength (EN 1346) 
30 minutes >0.7 N/mm2
Application temperature +50C to +400C
All values are subject to 5-10 % tolerance 
Application Information
Instructions for use

Surface Preparation

All surfaces should be sound, clean & uncontaminated.  This preparation should leave an exposed concrete surface free from dust, loose particles, deleterious matter, oil, grease, chemical films & other contaminant. All loose particles of mortar, paint, etc. must be physically removed.

Concrete or blockwork: should be allowed to cure sufficiently so that all shrinkage movements take place before fixing tiles.

Gypsum supports: must be treated 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.


Place 5.0 – 5.25 liters of cold, potable water in the mixing bucket and add slowly 25 kg  bag of NEOFIL F50 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.


Spread NEOFIL F50 on the substrate to a uniform thickness using a toothed spatula, the first pass with its straight edge and the second pass with its straight edge and the second pass immediately after to the desired thicknedd 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 the 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.

Apply enough material than 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.


Remove excess adhesive with a damp cloth beforeit dries. Joints grouting between tiles may be commenced after 10 hours of tiling for walls and 24 hours for floors.


Tools and equipment should be cleaned with water immediately after use. Hardened materials should be mechanically removed.


To achieve improve adhesion strength, it is recommended to replace water with ELASTOKOL.

  • The grey type presents higher mechanical resistances. It is therefore advisable to use to fix tiles on floor.
  • Stiffened mortar must neither be diluted with water nor with fresh mortar.
  • Do not use NEOFIL F50 on metal, wood or non absorbing surfaces.
  • Do not apply NEOFIL F50 in rainy weather, high winds and sand storms.
  • Do not apply direct sun.
  • Keep equipment cool and use cold water.
  • Porosity of tiles and substrates has significant effect on adhesive strength of tiles.
  • Marble should not exceed 40kg/m2 on vertical application.
Additional Information
Health & Safety

NEOFIL F50 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.

Important note

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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