noun, noun or participle which takes 'suru', transitive verb
rough undercoat; first coat
Refers to the initial, rough layer of paint, plaster, or similar material applied before finishing coats. Used as both a noun and a suru-verb.
壁に粗塗りを施してから、仕上げ塗りに入ります。
After applying the rough undercoat to the wall, we move on to the finish coat.
First, roughly apply the plaster to the base.