Reference Codes
| MAF Exterior Wall Codes | |
| Code | Description |
| 00 | None |
| 01 | Minimum |
| 02 | Composition or Wall Board |
| 03 | Below Average |
| 04 | Shingle Siding |
| 05 | Average |
| 06 | Board & Batten (Average) |
| 07 | Asbestos Shingle |
| 08 | Wood on Sheathing or Plywood |
| 09 | Corrugated Asbestos (Wd Fr) |
| 10 | Above Average |
| 11 | Board & Batten (Above Avg) |
| 12 | Cedar or Redwood Siding |
| 13 | Prefab Wood Panel |
| 14 | Wood Shingle |
| 15 | Concrete or Cinder Block |
| 16 | Tile or Wood Frame Stucco |
| 17 | Concrete Block Stucco |
| 18 | Cement Brick |
| 19 | Common Brick |
| 20 | Face Brick |
| 21 | Stone |
| 22 | Precast Panel |
| 23 | Reinforced Concrete |
| 24 | Corrugated Metal |
| 25 | Modular Metal |
| 26 | Aluminum Siding |
| 27 | Pre-Finished Metal |
| 28 | Glass/Thermopane |
| 29 | Pine |
| 30 | Cedar |
| 31 | Cut Block |
| 32 | Tilt-Up |
| 33 | EIFS |
| 34 | Polyfoam |