DS/EN ISO 12572
Hygrothermal performance of building materials and products – Determination of water vapour transmission properties
|Publication Date:||16 July 2001|
|ICS Code (Thermal and sound insulating materials):||91.100.60|
|ICS Code (Thermal insulation of buildings):||91.120.10|
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.