Decorative finish given to an exterior wall, and frequently used to disguise irregular wall surfaces. Fine pebbles or crushed stone are scattered on to a cement-rendered wall while the cement is still wet. The pebble dash should be painted with a protective waterproof paint to give added protection against erosion.
Sum, and ready-mixed brands can be bought for undercoats and finishingcoats. The type of plaster required will vary, depending on the condition of the surface, so always ask the advice of the retailer. When mixing plaster, always follow the manufacturer’s instructions carefully, as it is vital to achieve the right consistency to get the correct finish. Plastering is a skilled job. So large areas such as complete walls and ceilings should be left to a professional, but repairs and small areas are well within the scope of the handyman.