Ceresit Ceretherm Premium Wool System

Ceresit Ceretherm



Insulation system with all the advantages of being breathable, A2 class fire resistant and soundproof but with enhanced durability and impact resistance.

It is a perfect solution even for highly demanding applications with an additional asset of being quicker in installation.


Advanced breathability & performance


Ceretherm Premium Wool Fire Resistance Ceretherm Premium Wool High Impact Resistance Ceretherm Premium Wool Highly Breathable Ceretherm Premium Wool Highly Durable Ceretherm Premium Wool Natural Ceretherm Premium Wool Quick Installation Ceretherm Premium Wool Soundproof



Ceretherm Premium Wool Products

  • high vapour permability
  • high durability
  • BioProtect formula strengthened by high pH - high resistance to biological contamination
  • high flexibility and resistance to mechanical damages & weather/temperature abrupt changes
  • A2 class fire resistance (non flammable)
  • soundproof (mineral wool)
  • natural - eco wool plates & silicate plaster
  • excellent working parameters:
    – easy & smooth application (new generation of fillers & organic modifiers; lower thickness
    and viscosity, optimised consistency for easy appplication)
    – easier plasters application due to low water uptake of CT 87 & high adhesion strength
  • quick (no priming, saving on labour and scaffoldings)
  • lower consumption of rendering mortar per m2 by 15%

Recommended substrates: wood skeleton walls with cement fibres boards, aerated concrete (dry) poorly ventilated, aerated concrete (wet) and silicate bricks

Recommended buildings: single family houses, blocks of flats up to 11 floors, blocks of flats above 11 floors and public buildings (especially schools, hospitals, theatres)

Especially recommended for: buildings located close to forests, buildings located in high air humidity areas, public buildings with high risk of biological contamination




1. Fixing
  • Ceresit CT 190 Adhesive and Reinforcing Mortar or Ceresit CT 87 2in1 White Adhesive and Reinforcing Mortar
  • plastic anchors Ceresit CT 335 with a steel core or others classified as ETAG 014
  • number of fasteners and their arrangement should be determined by an architect, based on the substrate analysis and load calculations
2. Insulation material mineral wool with a disturbed fibre layout or mineral wool with lamella fibre layout (so-called lamella wool) classified as EN 13162:2001
3. Reinforced layer
  • Ceresit CT 325 Glass fibre mesh with a density of 145 g/m² and above
  • Ceresit CT 87 2in1 Adhesive and Reinforcing Mortar
4. Priming paint not necessary
5. Plaster

recommended: Silicate Plasters: Ceresit CT 72 „stone”, Ceresit CT 73 „rustic”;
others: Silicate-silicone Plasters: Ceresit CT 174 „stone”, Ceresit CT 175 „rustic”; Silicone Plasters: Ceresit CT 74 „stone”, Ceresit CT 75 „rustic”;
Mineral Plasters: Ceresit CT 35 „rustic”, Ceresit CT 137 „stone”

6. Paint Silicate Paint: Ceresit CT 54; Silicone Paint: Ceresit CT 48; Nanosilicone Paint Ceresit CT 49 Silix XD®


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