VKW 128

VKW 128 is a thin layer, cement based tile adhesive. It is polymer modified and suitable for applications on both horizontal and vertical surfaces. It consists of cement, quartz sand, lime fillers and admixtures. It is classified as type C2TE (High elasticity of type S1) according to EN 12004.

• Suitable for fixing all types of small or large ceramic tiles, cotto tiles, natural or artificial granite tiles, porcelain tiles, small decorative tiles, thin marble tiles on mineral substrates in dry and wet duty rooms
• Particularly recommended for the adhesion of both absorbent and non-absorbent tiles on external building facades, as well as on sub-layers requiring high adhesion tolerances, elasticity, resistance to climatic variations and resistance to substrate movement is needed
• Suitable for application on difficult substrates subjected to thermal dilation and heavy traffic as well as in areas with constant moisture such as heated floors, old tiles, swimming pools, bathrooms, showers, car showrooms, malls, utility areas, exterior tile layering

• It has very strong adhesion on all common substrates submitted to intense stress and high resistance against weather conditions
• It is adequate for wooden and metallic surfaces, heated floors and swimming pools
• It has excellent workability and high tolerance for fast application
• It is resistant to humidity and frost

• The tile laying sub-layer must be flat, free from brittle and foreign bodies such as for example plaster residue, paint, oils, etc. It must be stable and free from shrinkage and distortion forces and must not be subject to vibrations.
• In a clean container add 8.5-9.0 liters of clean water and gradually empty the content of a 25 Kg sack of product VKW 128, mixing continuously with an electric mixer in order to acquire a uniform slurry mass.
• Let the resulting mixture age for 5 minutes and mix again. The mixture is ready to be used within the next 4 hours.
• Following the preparation of the mixture do not add more water in order to correct the workability of the slurry.
• This would lead to the reduction of its tolerances and the increase of its shrinkage.
• Spread the adhesive on the surface and then comb the adhesive layer using a special toothed spatula. Within 30 min since adhesive layering, place the tiles at their location, pressuring firmly in order to ensure full contact.
• The installation of tiles on the wall may be performed starting from the upper part with the entire tile and without any slippage. The excess adhesive must be cleaned off the joints prior to its drying.
• On surfaces larger than 25m₂ it is necessary to install expansion joints. At the areas of contact of floors with walls it is recommended to use adequate silica-containing pastes.
• During application and for the next 24 hours the environmental and sub-layer temperature must be between +50_oC and +35₀C. The adhesive is cleaned with water while still wet. When it hardens it is removed mechanically.

In a dry environment at temperatures above 0_⁰C for 12 months its production date.