Cekol TERMO S2 Adhesive compound for embedding glass fibre mesh

  • Fiber-reinforced
  • Waterproof and frost-resistant
  • Non-absorbent
  • Suitable for manual or mechanical application
Cekol TERMO S2


• CEKOL TERMO S2 is applied to embed the grid of the fibre glass to the thermal insulation made of polystyrene, inside and outside the facilities.

• It shows high adhesion to the surface and is resistant to scratches due to contained fibres.

• The mortar is an excellent priming for precious plasters in the external facilities heating system – ETICS.

• CEKOL TERMO S2 is part of the heating system CEKOL TERMO S. The system includes:

Primer to the surface CEKOL DL-80

Adhesive for polystyrene CEKOL TERMO S1

Adhesive for grid embedding CEKOL TERMO S2

Primer for plastering CEKOL GB-87

Mineral plaster CEKOL C-35

Instructions for use

The surface preparation

Before the grid is embedded, check the condition of the surface of the polystyrene boards; fill any inequalities and holes in points of connections assembly.

Mortar preparation

Pour the package contents to cold water in a ratio of 5 to 5.5 litres of water per 25 kg bag and mix thoroughly. The time of mortar application approx. 3 hours.


Apply the mortar on the board surface with a thickness equal to approx. 3-4 mm, and then applied the grid straps to embed into a mortar layer. The grid must be fully embedded not to make its colour visible on the surface. Apply the appropriate corner strips and additional grid strips. Performance: grid embedding – approx. 4 kg/m2. The temperature of the performed works: from +5ºC to +25ºC.

Technical data

  • Meets requirements PN-EN 13499 ETICS-EPS-EN 13499-2,5*-F-I2-PE200
  • Fibre mesh reinforced adhesive mortar for preparation of reinforced layer in CEKOL TERMO S thermal insulation system
  • The declared thermal resistance for polystyrene of a thickness of 100 mm, λ 0,04 W/m∙K 2.5 m²∙K/W
  • Reaction to fire Euroclass F
  • Impact resistance I 2
  • Resistance to crushing PE 200

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