© Fraunhofer IBP


Calculation of thermal parameters by computer-aided thermal analysis of building components

Measurement Thermal transmittance U, linear thermal transmittance ψ, thermal resistance R, equivalent thermal conductivities, temperatures and temperature gradients, dew-point temperatures, heat flow and heat flow densities
Standards DIN EN ISO 10211, DIN EN ISO 10077
Measurement object Window profiles, frame profiles, glass edge bond, spacers of laminated insulation glazing units, shutter boxes, masonry units, masonry, roof and façade elements with thermal bridges, cavities, fixing elements

Technical data

Calculation program STATWL, PHYSIBEL
Data of specimens Completely dimensioned drawings, e.g., CAD drawing in DXF format, material properties (thermal conductivity, transient also density ρ, specific heat capacity cp)

Special features

Variety of calculation Transient and stationary temperature, two- and three-dimensional
Presentation Parameters, graphic presentation of the results



The test laboratory is recognized by the Deutsches Institut für Bautechnik (DIBt) as a testing facility under applicable building regulations LBO No. BWU10 and as a Notified Body No. 1004 to the terms of the Regulation of Construction Products (EU-BauPVO). It has been granted flexible accreditation under DIN EN ISO/IEC 17025 by the Deutsche Akkreditierungsstelle GmbH (DAkkS) under accreditation No. D‑PL‑11140‑11-04.