Insulation Comparisons
Desirable Feature |
Fiberglass Batts |
Blown Cellulose |
Open Cell Spray Foam |
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 |
|
|
|
