1).Products range:130g/©O

2).Roll size: 1.5m x 50m;

3).Water resistant : Class W1

4).SD-value: 0.02m

5).Vapor permeability: >0.02m

6).UV resistant: >3 months

7).Test to EN13859-1: Passed All Nelumbo vapor permeable membranes are 3 layers thermal