This standard was last reviewed and confirmed in 2022.
Therefore this version remains current.
Abstract
PreviewISO 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.
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Status: PublishedPublication date: 2007-07
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Edition: 1Number of pages: 11
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- ICS :
- 91.120.10 Thermal insulation of buildings
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| Format | Language | |
|---|---|---|
| std 1 61 | ||
| std 2 61 | Paper |
- CHF61
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