damp-proof course
[/dæmp pruːf kɔːrs/]
nounpl: damp-proof courses
barreira de umidade / camada impermeável / barreira anti-umidade
1. A layer of waterproof material installed in walls or foundations to prevent moisture from rising from the ground into the building structure
The builders installed a damp-proof course between the foundation and the first brick layer to protect the house from moisture.
Os construtores instalaram uma barreira de umidade entre a fundação e a primeira camada de tijolos para proteger a casa da umidade.
2. A preventive construction technique that blocks capillary water rise in walls
A proper damp-proof course is essential in older buildings to prevent rising damp.
Uma barreira de umidade adequada é essencial em edifícios antigos para evitar a umidade ascendente.
This is a technical architectural/construction term used primarily in British and European building practices. In Brazil, moisture control is often referred to using the term 'barreira de umidade' in formal construction contexts. The concept is particularly important in tropical climates like Brazil where humidity is high. In the USA, builders more commonly use terms like 'vapor barrier' or 'moisture barrier' rather than the British 'damp-proof course'.
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