http://www.gharexpert.com/category/1355/Dry-Distemper-Paint-0.aspx?CatID=1355Dry Distemper Paint information at GharExpert.com. The surface should be brushed to make it free from mortar droppings thoroughly.Sand paper is rubbed to make it smooth. http://www.gharexpert.comhttp://www.gharexpert.com/articles/Paint-1634/Tips-Dry-Distemper-Paint_0.aspx?PL=2&ArticleID=1668&CatID=1355Dry distemper paint is a water based wall paint and is more durable than color wash. It uses glue as its medium to attach a soft finish like velvet.