Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. clay
8. [clay by product]
9. brick (clay material)
10. [brick by form]
11. [brick by form: solidity]
12. perforated brick

Anotations

Scope note:

Perforated blocks that are decorative or geometric, made from materials such as brick, ceramic, and others, used to create open brickwork elements in structures. These originated in the 1920s in Recife, Brazil, and was popularized by Lucio Costa. Often used in modern architecture in Brazil, and elsewhere.