Tile Adhesives

Cement Based Adhesive

Monneli Neofil F8

High Performance Thin Set Waterproof Polymer Modified Tile Adhesive

Uses
NEOFIL F8 is used for fixing of tiles in interior and exterior applications especially to those exposed to permanently wet condition.
Institutional kitchen
Bathrooms
Shower rooms
Swimming pools
Laboratories
Hospitals
Ceramic, porcelain tiles, vitrified tiles, granite & marble floors
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Technical Information
Product Description

NEOFIL F8 is a polymer modified cementitious tile adhesive. It is supplied as grey or white coloured powder. It is water resistant and does not contain fiber, asbestos & other harmful components.

Advantages
  • Enhanced bond and tensile strengths
  • Water resistance
  • Eco-friendly
  • Good open time and slip resistance
  • Formulated to suit Middle East conditions
Compiliance Standard
  • EN 12004-C1T
  • EN 12004-C2T (if mixed with Elastokol)
  • ISO 13007 – C1T
  • ISO 13007-C2T (if mixed with Elastokol)
  • ANSI A 118.4 – 1992
  • EN 1346
  • EN 1348
Packaging, Coverage / Consumption

Packaging:

NEOFIL F8 is packed in 25 kg bags.

 

Consumption: 

Approx. 2.5 to 4.5kg NEOFIL F8 per m² using notched trowel on smooth surface. Consumption will vary according to type of tiles and support condition.

Shelf Life & Storage

Storage:

Store in dry covered place in the original closed bags

 

Shelf life:

12 months if stored as recommended.

Colors
Grey & white
Technical Properties
PROPERTIES

RESULTS

Appearance

Powder

Color

Grey & white

Dry density

1.55 kg/L

Wet density

1.70 kg/L

VOC

<1.0 g/L

Water resistance

Excellent

Slip resistance

Excellent

Open time

Approx. 20 minutes

Workable time

45 minutes

Wall grouting

After 10 hours

Floor grouting

After 24 hours

Shear strength

1.6 N/mm²

Adhesion strength (EN 1348)
  Initial adhesion at 28 days   1.5 N/mm2
  Adhesion after heat-ageing   0.95 N/mm2
  Adhesion after water immersion   1.1 N/mm2
  Adhesion after Freeze thaw cycle   1.10 N/mm²

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, deletrious 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.

Mixing

Place 5.0 – 5.5 liters of cold, potable water (or ELASTOKOL as needed) in the mixing bucket and add slowly 25 kg bag of NEOFIL F8 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 3 minutes and then remix before application.

Application

Spread NEOFIL F8 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 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 damp cloth before the material has set.  Joint grouting between tiles may be commenced 10 hours after tiles have 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

  • 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 F8 on metal or non-absorbing surfaces
  • Do not apply NEOFIL F8 in rainy weather, high winds and sand storms
  • Do not apply under direct sun
  • Keep equipment cool and use cold water
  • Porosity of tiles and substrates has significant effect on adhesive strength of tiles
Additional Information
Health & Safety

NEOFIL F8 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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