| Value | Category | 
|---|---|
| 1 | Sack, tin etc and such low quality material | 
| 2 | Thatch and stick | 
| 3 | Sheets | 
| 4 | Ordinary thin plywood and wood slides | 
| 5 | With bricks but unplastered | 
| 6 | With brick and plastered | 
| 7 | Durable wood or wooden sheets | 
| 8 | Concrete (wall) | 
| 9 | Other (specify) | 
| Sysmiss |