This 2.5 litre tin of undercoat in dark grey is designed for use as part of multi-coat exterior masonry painting systems. It provides a preparatory layer on brickwork, render, or concrete, supporting the application of finishing coats.
On site, the undercoat is typically applied using brush or roller before the main topcoat to help achieve an even colour and to mask existing surface marks. It is suitable for refurbishment or maintenance works where a darker base is preferred ahead of final decoration.
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