External Rendering


External rendering is carried out using sand and cement. Two types of sand can be used, sharp sand for the base coat and plastering sand for the top coat. The ratio of sand and cement is usually five parts sand to one part cement. Lime and water proofer can also be added. Lime is to help make the mix more workable and help prevent cracking. Waterproofer is to help stop penetrating damp. The render can be finished smooth or pebble dashed.


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