Guide to Lime Plaster
Internal plasters are usually based on putty lime or feebly hydraulic lime. Hair is always added for work on laths and wattle, and sometimes for applications on walling. Traditionally internal plasters are given a fine finish and painted with limewash or distemper.
Making Mortars, Plasters and Renders
- Lime putty and aggegates should be thoroughly mixed in large batches using the paddle or roller mixer.
- The proportion of lime putty to aggregate should be 1:2, 1:2.5 or 1:3 depending on aggregate type.
- No water should to be added to the mix.
- The mortar, plaster or render should be left to mature in airtight containers