NCL Cerostik

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NCL Cerostik is a grey cement-based polymer modified, thin-bed adhesive for fixing Of Clay & Ceramic Tiles on leveled walls and floors. It is a high quality factory pre-mixed dry powder with special chemical additives and inorganic fillers that provides good bonding strength. Cerostik is suitable for use on most masonry and concrete surfaces.

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NCL Cerostik is a cement based polymer modified, thin-bed adhesive for fixing Clay & Ceramic Tiles on leveled walls & floors. It is a high quality factory pre-mixed dry powder with special chemical additives and inorganic fillers. It provides good bonding strength and full coverage to the tile surface, thereby providing full bed, sound and long lasting installation as compared to hollow and weak installation with conventional mortar. Cerostik is suitable for use on most masonry and concrete surfaces.

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  • Cementitious screeds
  • Cement mortar beds
  • Cement plasters
  • Concrete substrate
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  • Assured factory quality - eliminates site batch mix variations
  • Eliminates site procurement of individual raw materials
  • Single pack system, need to add only water as per recommendation
  • Suitable for interior applications
  • Self-curing product
  • Good tensile adhesion strength
  • Conforms to IS 15447 : 2019 - Type 1
  • Saves considerable time & labour
  • Good open time
  • Cost effective
  • No Voc
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Sl. No. Attributes Standard - IS 15477 Results
1 Appearance Mfg. Spec Dry Powder
2 Color Mfg. Spec Grey
3 Packing Mfg. Spec 20 kg.
4 Shelf life Mfg. Spec 12 months
5 Mixing proportion with water Mfg. Spec 25 to 30%
6 Pot life Mfg. Spec 120 Minutes
7 Tools Mfg. Spec Notched Trowel & Rubber Trowel
8 Bed thickness Mfg. Spec min 3mm & depends on tile size
9 Open time at 25°c Mfg. Spec > 15 Minutes
10 Coverage Mfg. Spec > 3 sft. / kg./3mm
11 Time to traffic Mfg. Spec 24 hours
12 Shear adhesion - 28 dry condition Min.1 Mpa > 1
13 Tensile adhesion strength -- 28 dry condition Min.0.5 Mpa > 0.5
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The surface should be dry, clean and free from dust, grease, Oil and other contaminates. Keep ready - mixing tools, trowel, hammer, notched trowel, joint spacers, sponge etc.

Cement based Surfaces: Screeds must be properly cured for 7 days. Cure the concrete for 3 weeks prior to tiling. The surface should be properly leveled for best outcome. Remove curing compounds and any other foreign matter before application which leads to de-bind the tile adhesive.

Painted Surfaces: Already painted / lime etc. coated surface should be removed by wire brush Or mechanically and loose peeling paint should be removed completely. Allow the surface to dry after cleaning.

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In a clean tub take 75% of recommended water and gradually add supplied tile adhesive in it. Mixing can be done manually or by mechanical slow speed stirrer. Based on the material consistency adjust the water and mixing to be done till homogenous lump free mix is obtained. After proper mixing,leave the paste for 5 minutes for polymeric dispersion before application. The paste should be kept away from direct sunlight, heat and use within 120 minutes of preparation (after mixing with water).

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  • The backside of tiles to be cleaned with wet cloth to remove all dust particles before fixing it. Apply the mixed dough of adhesive On the substrate and spread it by notch trowel. Fix the tiles and press firmly. Then tap properly with rubber hammer in order to spread the adhesive equally and for a good result. Remove any surplus adhesive on the face of the tiles. The tiles adjustment should be done within 15 minutes and before adhesive starts hardening.
  • The 3 mm spacing is recommended when fixing the tiles. After 24 hours, NCL's Cement Grouting can be done.
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  • Keep out of reach of children
  • Avoid inhalation Of dust
  • In case of contact with eyes, rinse eyes with plenty of water and consult a doctor immediately.
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Would be provided as per requirement on demand.
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