Tools needed: Stencil, paint or product, brush or mini-roller, and tray. Wannamaker recommends buying two of the same stencil if doing a very large wall area. That way, when the. Cement plaster is usually a uniform mixture of Portland cement, fine aggregates, and water. OPC 43 and OPC 53-grade cement mixed with sand is also known as cement-sand plaster. PPC cement is preferred over OPC-grade cement for plastering. A single coat of plaster in the interior walls is enough to finish. . Benjamin Moore® Natura® Int. Waterborne Paint Eggshell Finish Mythic® PRIME Int./Ext. All-Purpose Primer Mythic® PRIME Int./Ext. Premium Hide and Multi-Purpose Primer Safecoat® Transitional Primer Sherwin-Williams® Harmony® Wall Primer YOLO Colorhouse® Multi-Purpose Interior Primer Low-VOC Primers:. 14 Types of Plaster Finishes (List of Plaster Finishing) Important Point What is Plaster Finishes? Types of Plaster Finishes 1. Smooth Coat Finish 2. Sand Faced Finish 3. Rough Cast Finish or Spatter Dash Finish #4. Peddle5. 6. The underlying material of plaster is naturally occurring limestone and gypsum, so a plaster wall finish is, quite literally, a coating of earth for your walls. Plaster wall.