| Value | Category |
|---|---|
| 10 | NATURAL |
| 11 | No walls |
| 12 | Bamboo/Cane/Palm/Trunks |
| 13 | Dirt |
| 14 | Straw |
| 20 | RUDIMENTARY |
| 22 | Stones with mud |
| 24 | Plywood |
| 25 | Cardboard |
| 26 | Reused wood |
| 30 | FINISHED |
| 31 | Cement |
| 32 | Stone with whitewash/cement |
| 33 | Briks |
| 34 | Cement bloks |
| 36 | Wood planks |
| 37 | Metal sheets |
| 96 | Other |