| Value | Category |
|---|---|
| 11 | No walls |
| 12 | Cane / palm / trunks |
| 21 | Bamboo / wood wit |
| 22 | Stone with mud |
| 23 | Uncovered adobe |
| 24 | Plywood |
| 25 | Carton |
| 31 | Cement |
| 32 | Stone with lime / cement |
| 33 | Bricks |
| 34 | Cement blocks |
| 35 | Covered adobe |
| 36 | Wood planks / shingles |
| 37 | Wood and grass |
| 96 | Other |