Description
Ampack Air Tightness Membrane DB90 is ready for next day delivery or collect in Sandyford A94RT18 Co. Dublin.
Very tear-resistant vapour check and airtight layer for all roof and wall construction.
Does not stretch or shrink
Cutting and orientation aid
Does not attract dust
Translucent – for security when blowing out with cellulose fibres
Double layer, tear-resistant vapour check and airtight layer made of thermoset continuous fibres with PP fill layer (100 % polypropylene). The membrane is made of high quality PP and contains no plasticisers. The standard moisture barrier for all roof and wall construction. Also suitable for cellulose insulation.
Technical Data:
Brand:Ampack
Model:Ampatex DB 90
Size:1,5 m × 50 m roll = 75 m2
Harmonised European Standard EN 13984:2013
Product description Typ A EN 13984:2013
Thickness 0,33 mm EN 1849-2
Mass per unit area 90 g/m2
EN 1849-2
Straightness < 75 mm / 10 m
EN 1848-2
Fire behaviour
E EN 13 501-1 / EN ISO 11925-2
Brandkennziffer
5.2 VKF
Waterproofing approved at 2 kPa EN 1928, procedure A
Water vapour permeability, sD value
20 m EN 1931
Width of overlap
10 cm
Temperature resistance
-40 to +80 °C
Shear resistance of the joints
53 N EN 12 317-2
Maximum tensile strength longitudinal / transverse
160 / 160 N
EN 12 311-2, without support liner EN 13 859-1, Appendix A, with support liner
Elongation longitudinal / transverse
30 / 30 %
EN 12 311-2, without support liner EN 13 859-1, Appendix A, with support liner
Resistance to tearing (nail) longitudinal / transverse
200 / 200 N
EN 12 310-1 without support liner EN 13 859-1, Appendix B, with support liner
Surface tension
40 dyn
Air tightness air tight
Visible defects none EN 1850-2
Heat conductivity
0.23 W/mk
Heat capacity
1350 J/kgK
µ value
60606
Values after artificial ageing
Water vapour permeability, sD value
approved EN 1296, 70°C / EN 1931




