Abstract: An apparatus is disclosed for applying a coating material to a sheet material which is particularly useful in connection with preventing evaporation or drying out of the coating material when the apparatus is not in use. The apparatus basically includes a reservoir for containing a supply of coating material and an applicator roll having an applicator surface or surfaces thereon which is rotatably mounted in the reservoir so that coating material is received by the applicator surfaces and applied to the sheet material which is placed in contact therewith during rotation of the applicator roll.