释义 |
Scratch coat
Scratch´ coat`
| 1. | The first coat in plastering; - called also scratchwork. See Pricking-up. |
scratch coat
scratch coat[′skrach ‚kōt] (engineering) The first layer of plaster applied to a surface; the surface is scratched to improve the bond with the next coat. scratch coatIn three-coat plastering, the first coat of plaster, which is then scratched to provide a bond for the second (brown) coat. |