Enviroboard MR 1/8" | Enviroboard MR 3/16" | Enviroboard MR 1/4" |
| Thickness: 1/8" (3 mm) | Thickness: 3/16" (4.7 mm) | Thickness: 1/4" (6 mm) |
| Weight per Sheet: 5.8 lbs | Weight per Sheet: 7.5 lbs | Weight per Sheet: 9 lbs |
| Basis Weight: 180 lbs/MSF | Basis Weight: 250 lbs/MSF | Basis Weight: 280 lbs/MSF |
| Brightness: 97+ | Brightness: 97+ | Brightness: 97+ |
| Flexural Rigidity: 49 MD/36 CD lbs/in | Flexural Rigidity: 67 MD/47 CD lbs/in | Flexural Rigidity: 75 MD/55 CD lbs/in |
| Edge Crush: 170+ lbs/in | Edge Crush: 200+ lbs/in | Edge Crush: 200+ lbs/in |