Icynene when compared to other forms of insulation quickly becomes the clear choice.

Desired Feature	Icynene Foam	Fiberglass Batts	Wet-sprayed Cellulose	Urethane Foam	Mineral Wool (rock or slag)	Blown-in Fiberglass
R-value per inch	3.6	3.6	4.0	5.9	3.9	3.2
Meets air barrier requirments without extra materials and work	YES	NO	NO	YES	NO	NO
Easily insulates irregular or hard to reach spaces	YES	NO	YES	YES	NO	NO
No HFAs, HCFCs, or HFCs used	YES	YES	YES	NO	YES	YES
Contains no formaldehyde	YES	NO	YES	YES	NO	NO
No harmful emissions after installation or drying	YES	NO	YES	YES	NO	NO
Can be injected in closed wall cavities	YES	NO	NO	YES	NO	YES
Not a source of food for mold	YES	YES	NO	YES	YES	YES
Won't shrink over time	YES	YES	YES	NO	YES	YES
Won't wick water	YES	YES	NO	YES	YES	YES
Not damaged by water	YES	NO	NO	YES	YES	NO
Controls airborne sound transfer	YES	YES	YES	YES	YES	YES
No framing distortion	YES	YES	YES	NO	YES	YES
No settling or sagging	YES	NO	NO	YES	NO	NO
Count	13	6	7	9	7	7