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单词 scratch coat
释义

Definition of scratch coat in English:

scratch coat

noun
North American
  • A rough coating of plaster scratched before it is quite dry to ensure the adherence of the next coat.

    Example sentencesExamples
    • Mix and apply slurry coat to the existing scratch coat ahead of the render application ensuring that the render is squeezed into the wet slurry coat.
    • First, a scratch coat is troweled onto the lath; the plaster oozes through the lath and grips the backing when it hardens.
    • On smaller buildings, I combine the slip and scratch coats by making one sloppy, high clay-content plaster and mush that directly into the bales.
    • After it becomes tacky, the first scratch coat of polymer cement is applied.
    • A typical historic plaster system is made out of three coats: a base or scratch coat, a brown coat, and a finish coat which contains less sand and gives the wall its smooth finish.
 
 

Definition of scratch coat in US English:

scratch coat

noun
North American
  • A rough coating of plaster scratched before it is quite dry to ensure the adherence of the next coat.

    Example sentencesExamples
    • First, a scratch coat is troweled onto the lath; the plaster oozes through the lath and grips the backing when it hardens.
    • A typical historic plaster system is made out of three coats: a base or scratch coat, a brown coat, and a finish coat which contains less sand and gives the wall its smooth finish.
    • On smaller buildings, I combine the slip and scratch coats by making one sloppy, high clay-content plaster and mush that directly into the bales.
    • Mix and apply slurry coat to the existing scratch coat ahead of the render application ensuring that the render is squeezed into the wet slurry coat.
    • After it becomes tacky, the first scratch coat of polymer cement is applied.
 
 
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更新时间:2024/12/22 19:22:19