Grafotherm

A one-component, water-borne, functional, anti-condensation coating for airless application

MED

Grafotherm

A one-component, water-borne, functional, anti-condensation coating for airless application

  • 8010
  • 1.1 m2/l
  • 1.8 m2/l

Finish

  • Matt

Description

A one-component, water-borne, functional, anti-condensation coating for airless application


Product Features

Suitable for interior painting and exterior painting for surfaces protected from rain.


Recommended Uses

Recommended to be used on site for steel roofing sheets, steel structures and other metal surfaces where condensation and dripping water problem occurs. Suitable for interior painting of mineral roof and wall surfaces such as concrete, filler, tile, gypsum board etc. Excellent moisture absorbing and evaporation properties. Prevents from condensation and dripping water, insulates from heat (λ= 0.085 W/mK). Forms a flexible and porous coating. Provides also vibration and acoustic damping when applied as a thick layer. Complies with the requirements of EN13501-1, class A2-s1d0 and ASTM E84 (USA). The product has MED (Marine Equipment Directive) certificate no MED-B-10019 and is thus accepted for painting surfaces inside the ships.


Can Sizes

1000 KG, 120 KG, 20 KG, 100,0 L, 1000,0 L, 20,0 L


Coverage

The recommendable film thickness depends on the moisture stress and the type of structure. Check the separate Grafotherm Use Manual. The painting method, conditions, the shape of the painted surface and the quality of the surface all affect how much paint is needed. To fill the requirements of the MED certificate, the wet film thickness must be max 900 µm and the substrate must be of metal, material thickness min 0.75 mm.


Application Method

airless spraying, brush, roller


Application Conditions

All surfaces must be dry. The temperature of the ambient air and surface should not fall below +10ºC during application and drying. Relative humidity should not exceed 80%. The surface temperature of the surface to be coated should remain at least 3ºC above the dew point. The temperature of paint itself should be above +15°C for proper application. Good ventilation is required in confined areas during application and drying.


Surface preparation

Oil, grease, salts and dirt are removed by appropriate means. (ISO 12944-4) Zink surfaces: Sweep blast-clean with mineral abrasives (SaS) to an even roughness. For blasting material, use e.g. clean, dry quartz sand (SFS 5873). If sweep blasting is not possible, the surface should be roughened by hand abrading or washed with PANSSARIPESU ROOF CLEANING AGENT detergent. Aluminium surfaces: Sweep blast-clean with none-metallic abrasives to an even roughness (SaS, SFS 5873). If sweep blasting is not possible, the surface should be roughened by hand abrading or washed with MAALIPESU CLEANING AGENT detergent. Previously painted surfaces: Industrial coil primer on the backside of the steel roofing does not require any special preparation. Oil, grease, salts and dirt are removed by appropriate means. The priming damages can be fixed byRostex Super Akvar or Temaprime EE. Note the overcoating time of primer. Stainless steel: Roughen the surface by grinding or sweep blasting using non-metallic abrasives. Mineral surfaces: Prime the porous and absorbing surfaces with ProSeal primer before applying the GrafoTherm.


Painting

First coat:
No finish. finishing painting weakens the coating. airless spraying. By airless spray or when not possible by brush or roller. Stir the paint well before use. For spraying, the paint can be diluted by 0-5%. Airless spray nozzle tip, comparative diameter, 0.027”–0.029” and nozzle pressure 150–180 bar. Diffusion angle max 400. Use a spray unit with an output of minimum 2.7 l/min. If sieves should be used, use a course sieve, e.g. 30–60 mesh. A mortar pump or a spray gun can be used in smaller areas, nozzle 6 mm, pressure 2 bar.


Why you should choose Grafotherm

Excellent moisture absorption capacity

GrafoTherm is composed of millions of micropores in the sizes 0.1–100 microns. They form a multi-layer, porous texture with excellent moisture absorption capacity. Evaporation occurs faster than with conventional coatings due to the microporous structure, which breaks the water surface tension and spreads the moisture over the coating.

Product usp1prof_img
Excellent moisture absorption capacity

Applications

Typical application areas for GrafoTherm are warehouses and parking garages, ventilation ducts, water production plants and other production facilities, sports arenas, interior surfaces of wind turbine towers, sea containers, train and goods wagons, cattle sheds, etc. The best results with GrafoTherm can be obtained by spraying, but it can also be applied by brush or roller.

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Multiple Applications
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