LOOSE FILL
| :) | :( | |
| Cellulose | High recycle content Low embodied energy |
|
| Cotton | High recycle content Low embodied energy |
|
| Fiberglass | ||
| Perlite | ||
| Vermiculite | Might contain asbestos | |
| Plastic Fiber |
BOARD
| :) | :( | |
| EPS | Not ozone-depleting Flexible |
High embodied energy |
| XPS | High R-value High compressive strength High resistance to water absorption |
Ozone-depleting Expensive |
| Polyiso | Not ozone-depleting Recycled content |
High embodied energy |
| Polyurethane | Not ozone-depleting High R-value |
Expensive |
SPRAYED
| :) | :( | |
| Sprayed Polyurethane (Close Cell, High Density) |
High R-value | Ozone-depleting |
| Sprayed Polyurethane (Open Cell, Low Density) |
Not Ozone-depleting | Low R-value |
| Icynene (Low Density) | Good for retrofitting |
ARE we there yet? 