ISO 12572:2001 Historical

923008

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

standard by International Organization for Standardization , 06/15/2001

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Full Description

This standard specifies a method based on cup tests for determining the water vapour permeance of building products and the water vapour permeability of building materials under isothermal conditions. Different sets of test conditions are specified.

The general principles are applicable to all hygroscopic and non hygroscopic building materials and products, including those with facings and integral skins. Annexes give details of test methods suitable for different material types. This standard is not applicable in the case of test specimens with water vapour diffusion-equivalent air layer thickness values less than 0,1 m, as a result of increasing uncertainty in the measurement results. If the measured water vapour diffusion-equivalent air layer thickness is greater than 1500 m the material can be considered impermeable.

The results obtained by this method are suitable for design purposes, production control and for inclusion in product specifications.

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Document History

  1. ISO 12572:2016


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

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  2. ISO 12572:2001

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

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Product Details

Published:

06/15/2001

Number of Pages:

27

File Size:

1 file

Same As:

BS EN ISO 12572:2001

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus