Simple decorative plaster - DIY! Decorative plaster is made of gypsum plaster (modern lux). The material is applied with a metal trowel in circular motions. After drying, cut off the tops with a spatula. After priming, paint. The first layer of latex paint with beige dye, the second mother-of-pearl enamel (bronze) on top of the texture, with a small-haired roller, not hard.