Tile Adhesives

Cement Based Adhesive

Monneli Arredo Colla

Cementitious Adhesive for Natural & Artificial Stone

Uses
ARREDO COLLA is used as an adhesive for fixing internally and externally natural or artificial stone, on both walls and floors. It can be used also for fixing of the following:
All types of ceramic tiles
Vitreous mosaic
Klinker tiles
Porcelanized gres
Single-fired tiles and low porosity materials
Tiles on top of old ceramic floors, marble or natural stones
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Technical Information
Product Description

A powder grey adhesive for natural and artificial stone. It has a base of special binders combined with selected aggregates of a suitable granulometric size and special additives. ARREDO COLLA has a rapid setting and hydration time which prevent vertical slipping, it is a single component and therefore easy to apply by simply adding water.

Advantages
  • Fast-Setting
  • Vertical slip resistant
  • Easily workable
  • Water resistant
  • Eco-friendly
  • Formulated to suit Middle East condition
Compiliance Standard
  • European Directive UEATC
  • BS 5980 – 1980
  • DIN 18156 – 2nd part
  • ANSI A 118.4 – 1992
Packaging, Coverage / Consumption

Packaging:

ARREDO COLLA is supplied in 25kg bags.

 

Consumption: 

From 4 - 8 Kg / m² according to the type of support and stone.

Shelf Life & Storage

Storage:

Store in dry covered place in the original closed bags

 

Shelf life:

12 months if stored as recommended.

Colors
Grey or white
Technical Properties
PROPERTIES

RESULTS

Appearance

Powder

Color

Grey or white

Density

1.7 kg/L

Flexural strength

6.5 N / mm²

Compressive strength

19 N / mm²

Adhesion strength

1.8 N / mm²

Vertical sliding

None

Water resistance

Excellent

Aging resistance

Excellent

Flexibility

Very good

Open time at 25ºC

25 minutes

Grouting

After 24 hours

Full strength

After 15 days

Inflammability

No

Service temperature

From  -50C to +800C

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 block work: 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

Add ARREDO COLLA bag of 25 Kg. into a container of 5 to 5.25 Lt. of clean 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 from 3 to 5 minutes and then remix before application.

Application

Spread ARREDO COLLA 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 after hours.

Cleaning

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

Recommendations

  • Stiffened mortar must not be diluted with water or with fresh mortar
  • Dusty or highly absorbent stones must be soaked for few seconds in clean water and then allowed to dry before the laying
  • Do not use ARREDO COLLA on metal, wood or non-absorbing surfaces
  • Do not apply ARREDO COLLA in rainy weather, high winds and sand storms
  • Do not apply under direct sun
  • Keep equipment cool and use cold water
  • Check that the bag is unopened before use and do not use the product if lumps are present
Additional Information
Health & Safety

ARREDO COLLA is a cement-based product. 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.

additional materials
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