scratch coat
[/skrætʃ koʊt/]
nounpl: scratch coats
camada de base áspera
1. The first layer of plaster or mortar applied to a surface (such as lath, brick, or concrete) in a multi-layer plastering system, characterized by a rough, scratched surface that provides mechanical adhesion for subsequent coats
The mason applied a scratch coat to the brick wall before adding the finish coat.
O pedreiro aplicou uma camada de base áspera na parede de tijolos antes de adicionar a camada de acabamento.
2. In construction, the initial coat that is deliberately roughened to create a better bond for the next layer of plaster or stucco
The scratch coat must cure properly before the brown coat is applied.
A camada de base áspera deve secar adequadamente antes que a camada intermediária seja aplicada.
Scratch coat is primarily a technical construction and masonry term used by builders, plasterers, and contractors in both the United States and Brazil. It reflects professional construction practices derived from traditional European plastering techniques that remain standard in modern construction worldwide.
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