FAST KORNIK a thin-layer, acrylic plastering mix 15kg

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Vendor: FAST
Product code: KORNIK (akryl) 15kg


thin layer, acrylic plastering compound





FAST KORNIK A is used for manual application of fine, thin layer plastering, both inside and outside the building. It can be used on any mineral surface that is strong and even enough (cement plaster, cement-lime plaster, concrete, ETICS FAST S reinforced layer).


FAST KORNIK A is a ready to use product based on acrylic dispersion supplied in the form of a paste. It is characterized by increased resistance to atmospheric pollution, high durability and washability. It is vapour-permeable and hydrophobic. Supplied in a wide range of colours according to FAST COLOR SYSTEM. It contains agents eliminating the growth of algae and fungi on the surface.

Packaging15 kg bucket




Preparation of the surface

The surface should be even, strong and dry, free from all kinds of impurities that reduce the adhesion of the mortar, i.e. dust, lime, grease, remains of old paint coats. In order to reduce the absorbency, the surface should be primed with one of FAST's primers. FAST GRUNT M should always be primed before each application to increase plaster adhesion, regardless of the type of surface. It is recommended to use a primer in the shade of the selected colour FAST KORNIK A.

The plastering mortar can be applied to following surfaces:

- cement and cement-lime plasters (after a minimum of 28 days from the application and humidity not higher than 4%) primed FAST GRUNT M

- concrete (more than 3 months after execution and humidity not more than 4%) primed FAST GRUNT M

- gypsum substrates (humidity < 1%) primed FAST GRUNT G and FAST GRUNT M - net reinforced layer in the insulation system, made on FAST SPECJAL mortar and primed FAST GRUNT M for more than 3 days



Preparation and use

In order to level the consistency, mix the contents of each package with a slow-running drill before applying the plaster. In the case of too dry mass it is permissible to add 100 to 150 g of water. Apply a thin layer of plaster mass to the previously prepared and primed surface, using a stainless steel float to the thickness of the grain. After a short time, depending on the conditions at the time of application, we can shapee it with a plastic float. Trowel the plaster with circular moves. It is also possible to apply this plaster by spraying, which significantly reduces the cost and time of application. Details of the exact technology are available at or from technical representatives.

Tools and containers should be clean. When applying and drying the plaster, observe appropriate atmospheric conditions, i.e. substrate and ambient temperature from +5°C to +25°C, lack of strong sunlight, rain and too high relative humidity above 75%. The plaster drying time at an optimal temperature of +20°C is 12 to 48 hours.




Technical data

Base unit: kg

Base: styrene-acrylic dispersion with the addition of mineral fillers and pigments.

Open time: approx. 20 minutes

Drying time: 12 to 48 hours

Substrate and ambient temperature: from +50 to +25 degrees Celsius.

Resistance to temperatures: from -20°C to +60°C C

Relative diffusional resistance sd: max. 0.4 m

VOC content: less than 30 g/l

Absorbency w24: ≤ 0,5 kg/m2

Volume density: approximately 1,8 kg/dm3



Storage and comments

Store in factory sealed containers in dry conditions at temperatures from +5°C to +25°C.


Additional comments

o Confirm that the colour corresponds to the order before application. Complaints concerning colour will not be considered after the product has been applied.

o In order to avoid shade differences on one architectural surface, work should be carried out without interruptions, using plaster, previously mixed with each other in a large castr.

o Protect the plaster against unfavourable weather conditions with scaffolding covers until it dries out completely.

The recommended and specified scope of application of the product or the method of application does not exempt the contractor from carrying out the work in accordance with the art of construction and health and safety rules.

P.W. FAST guarantees and is responsible for the quality of the product, but has no influence on the way it is used and the conditions under which it was used. All technical data were measured under normal conditions, i.e. +20°C and air humidity of 60%. In the case of conditions other than the above, the drying time may change, i.e. it may be longer or shorter.

This card replaces all previous versions.

During operation it is necessary to avoid direct contact with the skin and protect the eyes during work. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Rinse contaminated skin immediately with plenty of water. Keep out of children.

This product complies with the European Technical Approval: ETA-14/0464 Certified according to ETA: 1020-CPR-020-032349. It also has valid hygienic certificate. A component of ETICS FAST S thermal insulation system.



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