Fraunhofer Institute for Building Physics
Thermal resistance and thermal transmittance in the hot box
Hygrothermics
| Measurement | Thermal resistance R and thermal transmittance U |
| Standards | DIN EN ISO 12567-1, DIN EN ISO 12567-2, DIN EN 12412-2, DIN EN 12412-4, DIN EN ISO 8990, DIN EN 16012 |
| Measurement object | Windows (frame and glazing), profiles, skylights, doors, roller shutter casings, roof elements, continuous and individual roof lights, façade elements, walls, reflective insulation products |
Technical data
| Test opening, test specimen dimensions (W × H) |
1230 × 1480 mm 1400 × 1600 mm 1100 × 1600 mm |
| Small specimens | From approx. 1.5 m², measurements can be conducted by means of masks made of insulating material |
| Larger specimens | Measurement in the climate simulator |
Special Feature
| Horizontal sample installation | Testing of continuous and individual rooflights according to DIN EN ISO 12567-2 in horizontal position |
Recognitions
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.