| Value | Category |
|---|---|
| 1 | No walls |
| 2 | Cane/Palm/Trunks/Thatch |
| 3 | Dirt/Earth |
| 4 | Bamboo with mud |
| 5 | Stone with mud |
| 6 | Uncovered adobe/mud brick |
| 7 | Plywood |
| 8 | Card board |
| 9 | Reused wood |
| 10 | Cement |
| 11 | Stone with Lime/Cement |
| 12 | Bricks |
| 13 | Cement Blocks |
| 14 | Covered adobe |
| 15 | Wood planks/Shingles |
| 96 | Others (specify) |