Lime is a key ingredient in older buildings. It allows buildings to breathe and flex so it is vital to use lime when rendering and plastering solid wall homes. New homes can also benefit from using lime. It helps to regulate moisture levels in the house thus keeping it healthy and fresh. The lack of expansion joints also means that cleaner lines can be created. However, lime is not just lime. Lime comes in a variety of forms. Hydrated, Hydraulic and Putty. For external render we recommend using Lime Putty from limestone sources (rather than chalk). To complicate things even more, the aggregate that is used is also very important. By using a non-breathable aggregate like sand it puts additional pressure on the lime binder, so we recommend using a limestone dust aggregate. Because of our knowledge of lime renders and plasters we recommend using a quite specific range of renders and also a limited number of professionals. Please call us on 02920373094 for more details.