NEN-ISO 21129
Hygrothermal performance of building materials and products - Determination of water-vapour transmission properties - Box method
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 July 2007 |
| Status: | active |
| Page Count: | 21 |
| ICS Code (Thermal insulation of buildings): | 91.120.10 |
scope:
This International Standard 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-resista
Document History
NEN-ISO 21129
July 1, 2007
Hygrothermal performance of building materials and products - Determination of water-vapour transmission properties - Box method
This International Standard 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...