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NBN ISO 9869-2:2021
Thermal insulation — Building elements — In-situ measurement of thermal resistance and thermal transmittance — Part 2: Infrared method for frame structure dwelling
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Summary
This document describes the infrared method for measuring the thermal resistance and thermal
transmittance of opaque building elements on existing buildings when observing high emissivity diffuse
surface using an infrared (IR) camera. This document demonstrates a screening test by quantitative
evaluation to identify the thermal performance defect area of building elements.
This document aims to measure the thermal transmittance (U-value) of a frame structure dwelling
with light thermal mass, typically with a daily thermal capacity calculated according to ISO 13786
below 30 kJ/(m2K).
transmittance of opaque building elements on existing buildings when observing high emissivity diffuse
surface using an infrared (IR) camera. This document demonstrates a screening test by quantitative
evaluation to identify the thermal performance defect area of building elements.
This document aims to measure the thermal transmittance (U-value) of a frame structure dwelling
with light thermal mass, typically with a daily thermal capacity calculated according to ISO 13786
below 30 kJ/(m2K).
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 05/26/2021 |
| Page Count | 40 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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