Type I: The dwelling presents use of resistant and solid construction materials in all components -- floors, walls, and roofs, and all components of the dwelling appear closed and finished.

Type II: The dwelling presents use of resistant and solid construction materials in all components, but at least one component of the dwelling appears unfinished.

Type III: The dwelling presents use of resistant and solid construction materials in all components but lacks elements of completion or closure in at least one of the components (floor, wall, or roof); or the roof is made of metal sheeting or cement fiber but there is no ceiling inside the dwelling; or metal sheeting or fiber cement (roofing material) is used in the walls.

Type IV: The dwelling presents use of non-resistant and non-solid construction materials in at least one of the components (floor, wall, or roof).

Type V: The dwelling is completely constructed on non-resistant and non-solid construction materials.