| Positive Features |
Open-cell Spray Foam |
Closed-cell Spray Foam |
Fiberglass Batts |
Fiberglass Loose-Fill |
Wet-Sprayed Cellulose |
Blown-in (Dry) Cellulose |
Mineral Wool |
| R-Value per inch |
4.0 |
6.6 |
3.7 |
3.2 |
4.0 |
4.0 |
3.9 |
| No wind washing effect |
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| Certified air barrier |
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| Expands to fill hard-to-reach spaces |
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| Contains no HCFCs or CFCs |
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| Does not contain formaldehyde |
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| Can be injected into existing wall cavities without major demo |
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| Won't shrink or settle over time when properly installed |
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| Will not absorb significant levels of water |
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| FEMA approved flood-resistant insulation material |
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| Serves as a vapor retarder without additional materials |
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| Will not distort framing when properly installed |
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| Efficiently reduces sound transmission through walls |
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