| Type | R/Inch |
| Blown Pink or Yellow Fiberglass
| 2.2
|
Blown White Fiberglass
(certainteed Insulsafe)
| 2.8
|
| Blown Rockwool
| 2.8
|
| Blown Cellulose
| 3.7
|
| Batt Fiberglass
| 3.1
|
| Batt Rockwool
| 3.2
|
| Polystyrene (extruded)
| 5.0
|
| Polystyrene (molded)
| 4.0
|
| Polyurethane (unfaced)
| 6.0
|
| Polyisocyanurate (unfaced)
| 6.0
|
| Polyurethane (skin faced)
| 7.1
|
| Polyisocyanurate (skin faced)
| 7.1
|
| Loose Fill Vermiculite
| 2.4
|
| Loose Fill Perlite
| 2.8
|
