Manniweb Functional Support Layers

 

 

Basis Weight

oz or osy 

Thickness (7.3psi)

mils

Air Permeability/Frazier(125 Pa)

ft3/ft2/min

5104 1.5oz 1.5 oz 13.7 866
5104 2.0oz 2.0 oz 19.5 775
5104 2.4oz 2.4 oz 24 672
5190 1.5 osy 12 400
1204 1.4 osy 11 450