V I K A
Thermo-reflection coating

1. General

VIKA is a special artificial resin with waterproof pigments and additives. It is used as a coating for flat roofs, plastics and bituminous covering or sealing and concrete surfaces.

The coat forms a waterproof layer but becomes permeable to water vapor very quickly after drying:

- Due to the light reflection the surface            temperature of the seal is reduced,

- permeable to water vapor,

- very weatherproof

- inflammable

VIKA is resistant against water, oil fat, petroleum, turpentine compensations and most salts and cleaning materials. It is not resistant against chemical solutions like Xylol, alcohol, ketone and ester.

VIKA is available in white, grey, red and green in 20kg non-returnable buckets.

2. Characteristics
Solid body content (%): 50

Special weight : 1.35

Minimum temperature of coating: +5

Inflammable: none

Storage: frost free up to 1 year

3. Areas of application

Due to its special composition VIKA is perfect to use for a reflection coating of plastics and bituminous roofs. The temperature reduction of sun exposure compared to plastics and bituminous untouched undergrounds depends on the pigmentation and is around 25°C for VIKA, 15°C for gray and 6°C for red and green. 

Furthermore VIKA is perfect for coloured top coatings on concrete areas and screed.

4. Processing

4.1 Pre-work

Before using VIKA on a surface, the surface area needs to be thoroughly cleaned; they need to be clean of loose components, oils, fats and solvents. Afterwards the surfaces will be coated with a roll-on primer (bituminous adhesive primer) with a volume of around 0.1 kg/m2. This pre-coating has to be fully dry before the VIKA coating can be applied. Fresh roof coatings without any stains do not have to be pre coated.

4.2 Coating

The actual coating of undiluted VIKA is applied after the drying of the pre coat. The coating cannot be applied under a temperature of +5C, because otherwise the fusion of the plastic particles will not be possible. After the first coating has dried a second layer of coating will be applied. The drying time depends on the air temperature, humidity and air circulation. This accounts for around 2h at a temperature of 20C°. The best way to coat VIKA is using a roll, brush or spray gun.
 
Here attention has to be paid so no streaks are left behind. When using a spray gun, an airless device with a wear-resistant nozzle should be used.

VIKA is a watery dispersion and therefore is not frost resistant. VIKA is not allowed to be applied during frost or on frozen surfaces. The best outcomes are achieved at a temperature of +10C°.

4.3 Material consumption

The coating amount differs according to surface structure and the way of coating and drying conditions. On average 300-400g/m2 last for 2 coatings of 150-200 g/m2.

4.4 Storage of material

VIKA can be damaged through frost and therefore has to be stored safe from frost; likewise VIKA should not be exposed to sunlight and high temperatures. 

Under these conditions the storage time can be 12 months.

After usage, opened container have to be resealed and stored upright.

4.5 Maintenance of the device

Immediately after finishing the work, the devices have to be thoroughly cleaned in cold clear water. 

If the VIKA has dried, it can be removed with solvents like Xylol or Toluol, letting it soak would be the easiest way to remove it.

The information given is according to our last experience. We do not give any warranty for the application as well as liability for the consultation given by our employees.

Our employees solely conduct consultancy work. The construction supervision, the compliance with the installation instructions and the compliance with the rules of the technique is exclusively with the processor, even if one of our employees is at the construction site. 
We advice to respect any official requirements and protection laws.

 

 

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