Entablature being called petrification. The structure of the entablature varies with the three classical orders: Doric, Ionic, and Corinthian. In each, the proportions of the subdivisions (architrave, frieze, cornice) are defined by the proportions of the column in the order. In Roman and Renaissance interpretations, it is usually approximately a quarter of the height of the column. Variants of entablature that do not fit these models are usually derived from them. Pure classical Doric entablature is simple. The architrave, the lowest band, is split, from bottom to top, into the guttae, the regulae, and the taenia. The frieze is dominated by
Tatton Hall design, also with seven bays, and it has a pedimented porch with two columns. The east front has five bays with Corinthian pilasters on a slightly projecting plinth and an entablature above. The family wing has seven bays. The south front has a Tuscan colonnade on the lower storey and an Ionic colonnade, verandah and balustrade above. Not all of the rooms are open to the public. The major rooms which are open are described below. The Entrance Hall is in three bays. It is decorated in neoclassical style with a marble floor, red porphyry Ionic columns and a geometric