Renderoc RP252 is a cementitious fibre and polymer modified re-profiling and protective mortar designed for vertical or horizontal use. It can be applied as a render from 3 mm to a practical maximum depth of 15 to 20 mm on verticals and 10 mm on soffits. On horizontal surfaces greater thickness e.g. 25 mm can be applied, however other grades of Renderoc may be more appropriate. Prior to the application of Renderoc RP252 any necessary repairs to the concrete should be undertaken using the Fosroc Systematic Approach.