A brilliant Hammerite exterior metal paint that is suitable for use on multi-surface, making it a great choice to give your home a refresh. Blue is a timeless colour that will add a splash of colour to your scheme. The paint should be applied on any iron surfaces to create a consistent finish. You can buy exactly what you need to complete your decorating job, as this 250ml size will cover up to 14 m² on average. For the best outcome, apply with a brush or roller.