finish coat finish coat /ˈfɪnɪʃ koʊt/

noun

1. The final coating of (eg., paint, plaster, varnish, etc.)  ( finish coat , finishing coat )
   the final coating of (eg., paint, plaster, varnish, etc.)
    We can't paint until they put on the finishing coat
   we can't paint until they put on the finishing coat