AlfaTherm Thick

Description: One component cementitious mortar for insulating panels.


    - Easy application

    - Excellent bonding to the most surfaces

    - High Adherence and resistance

Applications: ALFA THERM thick granulated can be used as a base coat on thermal insulation panels with embedded mesh (see instructions for preparation and application of ALFA-THERM fine granulated), for protecting XPS & EPS panels. Also used as a basecoat on gypsum and cement boards. 

Product Identity    

  • Appearance: cement-based mortar    
  • Color: Grey/White
  • Package & Weight: Bags of 25kg   
  • Storage: 8 months in the original packaging and in a dry place    
  • Particle size: 0-2.28mm  

Application Data    

  • Mixing Ratio: 25kg in 6 - 7L water    
  • Pot life: 3 hours at 23 ºC and 50% RH    
  • Consumption: 5-6 kg/m² per 3-4mm of thickness    
  • Application temperature: +5 ºC - +35 ºC  
  • ALFA-THERM thick granulated is applied on thermal insulation panels plastered with ALFATHERM fine granulated.    
  • With a flat trowel apply a uniform coat ALFATHERM fine granulated over the panels.    
  • Apply ALFATHERM with a 5 mm notched trowel and insert the fiberglass mesh. With a flat trowel press the mesh into the fresh mortar.    
  • Apply ALFATHERM thick granulated when the previous layer has been set.     
  •  a) With a flat trowel apply a uniform coat ALFATHERM fine granulated (2 mm). When the smoothing compound has hardened and cured paint the surface. b) Directly on ALFATHERM thick granulated apply an acrylic paste-plaster.  

Substrates Preparation   

  • Substrate must be mechanically sound, free of loose particles, grease, oil or other materials that reduce the adhesion.    
  • All surfaces must be free of cracks.  

Preparing the mix    

  • Pour the material into clean water and mix with a low speed electric mixer until a homogeneous lump free paste is obtained, thick enough to stand on the brush or roller without dripping.      
  • Allow mixture settle for 5 minutes prior the application.   
  •  Use the mixture when is still fresh. Do not leave the mix unmixed for a long time.  

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