Acorn Plastering Services. All aspects of interior and exterior plastering. Acorn Plastering Services has been established since 1984. John Topping is the proprietor of Acorn Plastering Services and is qualified in both traditional and modern methods of plastering. We have a wide range of skills in interior as well as exterior i.e. Render. Pebble dash etc. look no further for your plastering needs contact Acorn Plastering Services now.