| Value | Category |
|---|---|
| 10 | NATURAL |
| 11 | No walls |
| 12 | Cane/palm tree/sticks/bamboo |
| 13 | Clay |
| 20 | RUDIMENTARY |
| 21 | 'Pau-a-pique' |
| 22 | Stone with clay |
| 23 | Adobe |
| 24 | Wood |
| 25 | Tin/cardborad/paper/bags |
| 26 | Zinc |
| 30 | FINISHED |
| 31 | Cement |
| 32 | Stone with lime/cement |
| 33 | Bricks ('tijolos') |
| 34 | Cement blocks |
| 35 | Wood |
| 96 | Other |