Hierarchy classification:

1. top of the aat hierarchies
2. Activities Facet
3. Processes and Techniques (hierarchy name)
4. [processes and techniques by specific type]
5. [protective processes and techniques]

Narrower term/s

• dampproofing

Anotations

Scope note:

Process of making materials or surfaces impervious to water. To describe materials or articles having surfaces resistant, but not impervious, to water, use "water-repellent." For the state or quality of having little or no affinity for water, especially on a molecular level, use "hydrophobicity."