ISO 21129:2007 (R2022)
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ISO 21129:2007 (R2022)

Hygrothermal performance of building materials and products — Determination of water-vapour transmission properties — Box method

Summary

ISO 21129:2007 specifies a box method for determining the water-vapour permeability of building materials. The box method is used primarily to measure the water-vapour permeance of materials that have low water-vapour resistance, in which the influence of the surface-humidity transmission-resistance cannot be ignored.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 07/04/2007
Confirmation Date 09/05/2022
Edition 1
Page Count 11
EAN ---
ISBN ---
Weight (in grams) ---
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