EN 998.1 GP CS IV W2 en
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It is a product of the system




Fiber-reinforced, polymer modified, cement- based insulation boards adhesive & coating. Ideal for the adhesion of expanded polystyrene (EPS), extruded polystyrene (XPS) as well as mineral wool (MW) boards on surfaces of concrete, plaster or brick masonry. Reinforced with suitable fiberglass mesh, is used for the coating of thermal insulation boards, on external and internal surfaces of buildings.






Application Temperature

5°C to +35°C


4 – 7kg of dry mortar per m², depending on the use and nature of the substrate

Water Demand

About 6 lt of water /bag of 25 kg

Download the relevant technical files:


Use it as adhesive of thermal insulation boards, on surfaces such as concrete, bricks, plaster, cement blocks, aerated concrete, stone, etc., on exterior and interior surfaces of buildings. In combination with suitable anchors which secure the installation, it can be used for coating of thermal insulation boards, in combination also with appropriate MARMOLINE fibreglass mesh, before applying decorative plasters /renders such as MARMOLINE SVR series.
It is part of a certified External Thermal Insulation Composite System (ETICS), in combination with SVR Value external render.


  • Strong adhesion on the substrate and the insulation materials
  • High mechanical strength
  • Flexibility
  • Resistance in temperature fluctuations
  • Easy to use

Application mode:

  • Check and prepare the application surface. Make sure that it is clean, without dust, loose material etc.
  • Mix the content of a 25 kg bag, with about 6 lt of water, using a low-rev electric mixer until a homogeneous, lump-free mixture is obtained
  • Leave the mixture to set for five to ten minutes and stir again.
  • When used as a fiberglass reinforced plaster, apply the mix all over the surface of the insulation board to a thickness of 2 – 3 mm, using an automatic pump, or by hand with a spatula. Then, attach the appropriate MARMOLINE fibreglass mesh to the prepared surface and press with a spatula or trowel until fully covered by the plaster. The strips of the mesh should overlap by 10 cm approx. Finally, smooth the surface, while simultaneously removing excess mortar. If needed, apply a second layer of the plaster, before the first one dries.
  • When used as an adhesive, apply the mixture all over the surface of the insulation board to a thickness of 2 – 3 mm, using an automatic pump or by hand with a spatula or around the surface of the insulation board and at 2-3 points in the middle, provided that the adhesive covers 40% of the insulation board surface.
  • Attach the boards starting from the bottom of the masonry crossways without gaps.
  • Suitable anchors should also be used to secure the installation of the insulation boards.
  • You can use the mixture within 2-4 hours, depending on the ambient temperature and the time period.


  • The content of the bag should be protected from humidity.
  • Do not add excessive quantity of water for it may cause cracks and reduced strength of the product.
  • Not recommended for use in extreme weather conditions (frost or heatwave). Application temperature 5°C ως +35°C
    The above application guidelines are indicative, for the correct use of the product. For more technical details please contact the company’s technical department

Mixing ratio: About 6 kg (lt) of water /bag of 25 kg.

4 – 4,5 kg of dry mortar per m², when used as a fiberglass mesh reinforced plaster on polystyrene or mineral wool.
4 – 7 kg of dry mortar per m², depending on the nature of the substrate, when used as insulation boards adhesiv