dampproof layer

[/ˈdæmpˌpruːf ˈleɪər/]
nounpl: dampproof layers
camada impermeável à umidade
1. A protective barrier material installed in buildings to prevent moisture and water from penetrating through walls, foundations, or floors
The dampproof layer prevents water from rising through the foundation into the house.
A camada impermeável à umidade impede que a água suba pela fundação para dentro da casa.
2. A membrane or coating applied to building materials to create a moisture barrier
The contractor installed a dampproof layer between the concrete foundation and the brick wall.
O empreiteiro instalou uma camada impermeável à umidade entre a fundação de concreto e a parede de tijolos.
Dampproof layers are essential in construction across both Brazil and the USA due to climate conditions. In Brazil, they are particularly critical in areas with high humidity and heavy rainfall. Building codes in both countries mandate their installation in foundations and basements to prevent structural damage and mold growth. The term is primarily used by construction professionals, architects, and engineers.
Synonyms / Sinônimos
damp proof coursemoisture barrierwaterproof membranevapor barrierDPC
Antonyms / Antônimos
permeable surfaceabsorbent material

Regional Variations

General Brazilian
camada impermeável à umidade
Standard technical term used in construction and building codes
Brazil
barreira de umidade
More commonly used in everyday construction contexts
Portugal
barreira pára-humidade
Portuguese technical term following European construction standards
Portugal
camada de impermeabilização
Alternative Portuguese term emphasizing the waterproofing function

Related Words

damp proof course (DPC)waterproofingmoisture controlfoundation sealmembraneconstruction materialshumidity resistance

Related Idioms & Phrases

keeping moisture at bay
sealing against dampness
moisture control system
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