Feature	Fiberglass Batts	Cellulose	Urethane Foam	Icynene ®
Perfect fit everytime	no	no	yes	yes
Air Infiltration not needed	no	no	yes	yes
Won't permit convection	no	yes	yes	yes
Airborne moisture won't pass through	no	no	yes	yes
Water won't damage it	no	no	yes	yes
Won't distort window & door jams	yes	yes	no	yes
Won't absorb water	yes	no	yes	yes
Contains no Formaldehyde	no	yes	yes	yes
Contains no Destroying Gas	yes	yes	no	yes
Doesn't Sag or Settle over time	no	no	yes	yes
Doesn't support combustion	yes	yes	yes	yes
Doesn't Shrink	yes	yes	no	yes
Doesn't need time to dry	yes	no	yes	yes
Is easy to remove	yes	yes	no	yes
No food value for termites	yes	no	yes	yes
No harmful emmissions	yes	yes	no	yes
Won't sag if installed overhead	no	no	yes	yes
Can be injected into a closed cavity	no	no	no	yes
Will pass blower door test	no	no	yes	yes
Performance won't decline with time	yes	no	no	yes