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About This Item

 

Full Description

BS ISO 9869-2:2018 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).


Cross References:
ISO 8301
ISO 8302
ISO 7345
ISO 9869-1
ISO 6781-3:2015
ISO 6946
ISO 9346
ISO 6781:1983
IEC 60584-1
ISO 8990


All current amendments available at time of purchase are included with the purchase of this document.
 

Document History

  1. 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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  2. BS ISO 9869-2:2018

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

    • Historical Version