You may have noticed tall brick walls can have bands of different shades of colour; this can be deliberate, a feature of the design specified by the architect, but it’s often a product of poor management. It’s becoming more common to see this “banding” in most new brick houses, it’s very rare to see this in old brickwork.One of the attractions of an old brick wall is the variation in the shades of brick as opposed to the somewhat clumsy but inadvertent banding in new building