damp-proof
[/ˈdæmpˌpruːf/]
adjective
à prova de umidade
1. treated or constructed so as to prevent the passage of moisture or damp
The basement walls were treated with a damp-proof coating to prevent water infiltration.
As paredes do porão foram tratadas com uma cobertura à prova de umidade para evitar infiltração de água.
2. capable of resisting or blocking moisture penetration
A damp-proof membrane was installed beneath the concrete foundation.
Uma membrana impermeável foi instalada sob a fundação de concreto.
3. designed to protect against rising damp in buildings
The damp-proof course prevents moisture from rising up the walls.
A camada impermeável evita que a umidade suba pelas paredes.
In British and European construction terminology, 'damp-proof' is a standard technical term, particularly 'damp-proof course' which is a building standard. In Brazil and Portuguese-speaking countries, the term is used in technical documentation and construction specifications, though the concept of protecting buildings from rising damp is more critical in older European architecture due to climate differences.
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