Reference Codes
| MAF Roof Cover Codes | |
| Code | Description |
| 00 | None |
| 01 | Min Roof(Corr. or Sh M) |
| 02 | Rolled Composition |
| 03 | Asphalt or Composition Shingle |
| 04 | Built-Up Tar and Gravel |
| 05 | Membrane |
| 06 | Asbestos Shingle |
| 07 | Concrete Tile |
| 08 | Clay or Bermuda Tile |
| 09 | Enamel Metal Shingle |
| 10 | Wood Shingle |
| 11 | Slate |
| 12 | Metal |