Ultra Fixtrong 2K is a two-component cement-based polymer


Ultra Fixtrong 2K is a two-component cement-based polymer

modified, flexible, waterproof tile adhesive for internal & external use. It is a ready mix powder containing cement, siliceous sand and additives.

Ultra Fixtrong 2K has outstanding qualities such as high bonding strength, high resistance to water and chemi- cals, water tightness and flexibility.

It is used internally and externally with a wide range of small to large tiles, and in cases of permanent expo- sure to high degrees of humidity.

Applicable tile types include:

• Ceramic

• Sandstone

• Mosaics

Applicable substrates include:

• Concrete

• Lightweight blocks

• Stone walls (cleaned and prepared)

• Cement-based plaster and renders

• Gypsum board

• Glazed tiles

• Wood agglomerates

• Aluminum coverings

• Ceramic & terrazzo tiles (after preparation)

Over difficult substrates such as cement board, gypsum, wood…, primer is required, consult company for advice

• Granite • Marble • Porcelain

Applicable conditions include:

• Where thermal and dimensional variations are expected

• In vibrating areas

• For external & internal waterproof tiling

• Where resistance to chemical aggression is required Applicable cases include:



Surface must be clean, sound, and free from greasy matters and dust.Substrate should have been sufficiently cured in a way that any shrinkage has already occurred.Moisten slightly the substrate if it is dry at the time of application, never moisten the tiles.

Mix the two components of Ultra Fixtrong 2K by pour- ing the powder in the liquid progressively while stirring the liquid.An electric mixer with low rotation speed (< 300 rpm) can be used. Mix until a uniform lump free paste is obtained. Let the paste rest for a few minutes before starting the application.



Ultra Fixtrong 2K can be stored for 12 months in dry conditions, Keep away from extreme temperatures and protected against wind.


The product contains cement powders which, when mixed with water, release alkalis that could be harmful to the skin. It is preferable that the application be done in a ventilated area, and to wear protective gear for hands, eyes and respiratory system and to avoid breathing of the dust. Splashes on the skin should be washed away by cleaning thoroughly with soap and water. In case of contact with eyes, wash thoroughly with clean water and seek medical attention. If swallowed, do not induce vomiting and seek medical attention. The product is non-flammable.


While the company guarantees its products against defective materials, the use and application of these products are made without guarantee since the conditions of their application are beyond its control. It is recommended to verify with the company that the product is suitable for the intended use, and that this Data Sheet version is the latest one. The company may modify it without prior notice. Technical charact- eristics are listed for guidance only. For more informa- tion, please contact the company’s office in your location.


The information included on this Technical Data Sheet is the sole property of ULTRA ADHESIVES Holding. The unauthorized disclosure, use, dissemination or copy- ing (either whole or partial) of this data sheet or any information it contains, is prohibited and subject to legal pursuit.


 Apply Ultra Fixtrong 2K evenly on the substrate. Use a notched 2/3 trowel to have a uniform thickness of 2 to 3 mm minimum.

Apply the tiles on the substrate and press them firmly, while making sure that the paste does not slip from the tile sides. Ultra Fixtrong 2K can also be applied on the back of tiles to ensure full adhesion on the entire surface.


 Clean the tools with water after use. Cured materials can only be removed mechanically.


Apply Ultra Fixtrong 2K on the substrate by areas of around 1m2 each, which can be tiled within a maxi- mum of 25 minutes from application time at 20°C. After that time, an outer skin may form thus preventing the tile from adhering properly to Ultra Fixtrong 2K. 

Adjustments to the tiles should only be made during Ultra Fixtrong 2K’s open time.

It is recommended to leave a minimum width of 2 mm around the tiles.Grouting the tile joints should only be done at least 24 hours after tiling, using joint perfect or joint (Carrojoint).

For immersed areas, allow 21 days curing for Ultra Fixtrong 2K before filling with water.

Clean the tools with water after use.

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