Exposed Aggregate Revival in Hawthorn | Residential Building Cleaning Melbourne This morning our powerhouse team — Kavindu & Navindu — gave the Emblem Apartment building in Hawthorn a serious refresh. We professionally high-pressure cleaned the exposed aggregate concrete at the front entrance, removing built-up dirt, grime, and surface staining to restore the natural texture and colour of the concrete. Exposed aggregate requires the right pressure, the right technique, and the right experience —