PURPOSE: To form a decoration material for the surface finish of a building and at the same time prevent damage and stains of the decoration material.
CONSTITUTION: A compound 3 for forming a decoration material in which an appropriate quantity of aggregates is dispersed in a synthetic resin emulsion or a solution, is applied on the inside face of a protective cover used as a mold 2 in common, made of 0.1-1mm thick film or 0.5-2mm thick foamed sheet selected from polyester, polypropylene, polyethylene molded to have a rugged relief pattern and further, a reinforcing base material 4 is laminated thereon and dried. In this state, the decoration material is transported to a construction site and the protective cover used as a mold in common is removed just before or immediately after it is stuck to a wall face or the like of a building.