| Value | Category |
|---|---|
| 1 | no roof |
| 2 | thatch / palm leaf/ straw |
| 3 | bamboo/ tree-trunk |
| 4 | wood planks/ shingles |
| 5 | cardboard |
| 6 | metal/ corrugated iron sheet |
| 7 | calamine / cement fibre |
| 8 | ceramic tiles |
| 9 | cement/ reinforced concrete |
| 10 | stone slates |
| 11 | asphalt sheets |
| 99 | other |