noun, noun or participle which takes 'suru', transitive verb
undercoat; first coating; priming coat
Refers to the initial layer of paint, plaster, or similar material applied before the finish coat. Used both as a noun and as a suru-verb.
壁に下塗りをしてから、本塗りに入ります。
After applying the undercoat to the wall, we'll proceed with the final coat.
まず下塗りをしっかり乾かしてください。
First, let the undercoat dry thoroughly.