Insulation Comparison Chart
Desirable Feature
Fiberglass Batts Blown Cellulose H.I.S. Open Cell Spray Foam H.I.S. Closed Cell Spray Foam
Perfect fit every time    
X
X
Air barrier not required    
X
(after 6")
X
Won't permit convection  
X
X
X
Impermeable to moisture      
X
Performance stability
X
 
X
X
No framing distortion
X
X
X
X
Won't wick/absorb water      
X
No formaldehyde content 1 type only  
X
X
No CFCs/HCFCs used
X
X
X
X
No settling/sagging    
X
X
Won't support combustion
X
 
X
X
Doesn't shrink
X
 
X
X
No drying time required
X
 
X
X
Easy to remove
X
X
X
X
No food value for rodents/termites    
X
X
No harmfule emissions  
X
X
X
No horizontal sagging    
X
X
Closed cavity injectable    
X
X
         
Count 8 5 16 18



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