Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by form]
6. [materials by physical form]
7. [fiber and fiber by product]
8. [fiber by product]
9. paper (fiber product)
10. [paper by composition or origin]
11. rag paper

Anotations

Scope note:

A type of heavy paper composed of rags impregnated with asphalt; used in the manufacture of waterproofing membranes, and for making asphalt shingles and other types of composition roofing, such as asphalt roofing.