Our Services Plastering Plastering is the process of applying layers of plaster to walls, ceilings, and other surfaces in order to create a smooth, even finish. Learn More Rendering Applying a layer of plaster or other material to the exterior of a building in order to create a smooth and even surface is known as rendering. Learn More Drywall Drywall is a building material used to create the interior walls and ceilings of buildings, consisting of a panel of gypsum plaster pressed between two layers of thick paper.