Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. architectural elements
7. [structural elements and components for structural elements]
8. structural elements
9. enclosing structural elements
10. [walls and wall components]
11. walls
12. [walls by function]

Narrower term/s

• fire-rated walls

Anotations

Scope note:

In building construction, fire-resisting walls, enclosed stairways, and other similar obstructions for preventing the spread of fires in buildings. In building construction, fire-resisting walls, enclosed stairways, and other similar obstructions for preventing the spread of fires in buildings.