| Value | Category | 
|---|---|
| 11 | No walls | 
| 12 | Cane / palm / trunks | 
| 13 | Dung / mud / sod | 
| 14 | Grass | 
| 21 | Bamboo with mud | 
| 22 | Stone with mud | 
| 23 | Uncovered adobe | 
| 24 | Plywood | 
| 25 | Cardboard | 
| 26 | Reused wood | 
| 27 | Iron sheets | 
| 31 | Cement | 
| 32 | Stone with lime / cement | 
| 33 | Bricks | 
| 34 | Cement blocks | 
| 35 | Covered adobe | 
| 36 | Wood planks / shingles | 
| 96 | Other | 
| 97 | Not a dejure resident |