Fraunhofer Institute for Building Physics
Fraunhofer Institute for Building Physics

Thermal Characteristics Test Laboratory

D-PL-11140-11-04
Nobelstr. 12, 70569 Stuttgart, Germany

Our services

Official testing, feasibility studies, aptitude and quality tests of building materials, building components for example for insulating materials, masonry, windows, doors. Experimental determination and calculation of thermal and energy transmittance, thermal conductivity.

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Standard tests

Thermal conductivity, thermal resistance and thermal transmission coefficient of primarily homogeneous building materials and building components as well as the determination of referential moisture

  • insulating materials, building slabs according to DIN 52612/DIN EN 12664, DIN EN 12667/DIN EN 12939
  • double glazing, web plates according to DIN 52619-2/DIN EN 674 in the guarded hot plate apparatus

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  • pipe insulation

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  • determination of the referential moisture or water absorption of building materials according to DIN 52620, DIN EN 12087
  

Thermal resistance and thermal transmission coefficient of non homogeneous building components (hot box method)

  • masonry according to DIN 52611-1/DIN EN 12412
  • windows, flat windows on pitched roofs according to DIN 52619-1/EN ISO 12567-1 and EN ISO 12567-2
  • roof elements, façade elements, doors according to DIN 52611/DIN EN 12412-1
  • frame sections according to DIN 52619-3/DIN EN 12412-2
  • shutter boxes according to DIN 52619-1/DIN EN ISO 12567/prEN 12412-4

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Air permeability, watertightness, resistance and mechanical strain of windows, façade elements etc.

  • joint permeability (a-value) according to DIN EN 42/DIN 18055, air permeability according to DIN EN 1026/DIN EN 12207

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  • watertightness according to DIN EN 86/DIN 18055, watertightness according to DIN EN 1027/DIN EN 12208

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  • wind resistance according to Din EN 77/DIN 18055, wind resistance according to DIN EN 12211/DIN EN 12210

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Heat dissipation, electrical resistance and dissipation of electrostatic charges of floor coverings

  • heat dissipation according to DIN 52614, electrical resistance according to DIN 53596, dissipation of electrostatic charges according to DIN 51953

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Additional mechanical, thermal and hygric tets

  • compressive stress and tensile strength, tear strength
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  • freeze-thaw cycling
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  • thermal deformation resistance
  
  • length related flow resistance
  
  • moisture absorption by vapour diffusion in the temperature gradient
  
  • condensation on surfaces or in the interior of building components (windows, glazing and façade elements, etc.)
  
  • gross density and moisture content of building materials
  
  • thermography of building components or façade elements according to ISO 6781
  
  • expertise, assessment of damage
  

Calculations

Calculative analyses

  • determination of thermal resistance or thermal transmission coefficient by means of finite differences method for example on frame sections etc. according to DIN EN 10077-2
  • multi-dimensional transient thermal finite elements calculations

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  • assessment of thermal insulation and moisture protection as well as of the thermal heat requirements of building components, building systems and house types according to EnEV and other standards
  

PÜZ-Stelle

Tests and quality control of insulating materials according to national and European standards and regulations, for example CUAPs for national approval of the DIBt (German Institut of Building Technology), Berlin, and European technical approvals (ETA)

  • insulating materials of mineral fibres according to DIN 18165/DIN EN 13162
  • polystyrene insulating materials according to DIN 18164/DIN EN 13163
  • insulating materials of regenerating raw materials
  • recycling insulating materials