I.S. EN 1931:2000现行
Flexible Sheets For Waterproofing - Bitumen, Plastic And Rubber Sheets For Roof Waterproofing - Determination Of Water Vapour Transmission Properties
出版：National Standards Authority of Ireland
专家解读视频
Covers a method for the determination of the water vapour transmission properties and for the calculation of the density of moisture flow rate g and of the moisture resistance factor Y of waterproofing sheets. Also applies to factory made bitumen, plastic and rubber sheets for roof waterproofing.
NF EN 1931:2000 - Identical
ONORM EN 1931:2000 - Identical
DIN EN 1931 (2001-03) - Identical
SN EN 1931:2001 - Identical
BS EN 1931:2000 - Identical
NBN EN 1931:2000 - Identical
UNI EN 1931:2002 - Identical
NS EN 1931 Ed. 1 (2000) - Identical
UNE EN 1931:2001 - Identical
SS EN 1931 Ed. 1 (2001) - Identical
NEN EN 1931:2000 - Identical
