1) After the first blanket of silicone comes the stone plaster mother mold. The plaster will go on in a couple of layers. Don't wait more than a day between plaster coats, or else the second layer might not stick well to the first.
1) After the first blanket of silicone comes the stone plaster mother mold. The plaster will go on in a couple of layers. Don't wait more than a day between plaster coats, or else the second layer might not stick well to the first.