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BSI BS ISO 9869-2:2018+A1:2021

Thermal insulation. Building elements. In-situ measurement of thermal resistance and thermal transmittance -- Infrared method for frame structure dwelling
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BSI BS ISO 9869-2:2018+A1:2021

Thermal insulation. Building elements. In-situ measurement of thermal resistance and thermal transmittance -- Infrared method for frame structure dwelling

PUBLISH DATE 2021
PAGES 38
BSI BS ISO 9869-2:2018+A1:2021

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).

SDO BSI: British Standards Institution
Document Number ISO 9869-2
Publication Date June 29, 2021
Language en - English
Page Count
Revision Level 1
Supercedes
Committee B/540/8
Publish Date Document Id Type View
Aug. 21, 2018 BS ISO 9869-2:2018 Revision
June 29, 2021 BS ISO 9869-2:2018+A1:2021 Consolidated