( n. )
The first coating of plaster in work of three coats upon laths. Its surface is scratched once to form a better key for the next coat. In the United States called scratch coat.
( n. )
The first coating of plaster in work of three coats upon laths. Its surface is scratched once to form a better key for the next coat. In the United States called scratch coat.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012