| Value | Category |
|---|---|
| 1 | BRICKS OR BLOCKS |
| 2 | ASBESTOS / SLATES |
| 3 | CORRUGATED IRON / METAL |
| 4 | PLASTIC |
| 5 | POLES / REED |
| 6 | TILES |
| 7 | THATCH / GRASS/BULRUSH |
| 8 | WOOD/ LOGS |
| 9 | EARTH / MUD |
| 10 | CONCRETE ONLY |
| 11 | COVERED CONCRETE |
| 12 | CARDBOARD |
| 13 | BITUMISED CONCRETE SLAB |
| 14 | PARQUET |
| 96 | OTHER, SPECIFY |