A solum is an area of ground upon which buildings have been constructed. An owner of a building will also own the solum, unless there is provision to the contrary, but not necessarily the mineral rights. See also " a coelo usque ad centrum". In cases of blocks of flats, the owner of the ground floor flat owns the solum. However, unless there is specific provision to the contrary in the titles, the solum is designated as part of "scheme property" under the Tenements (Scotland) Act 2004, for the purposes of liability for maintenance, so that all of the owners of flats in the tenement will have to bear a share of maintenance, regardless of ownership. Frequently the titles to all of the flats provide that the solum, in addition to various other common parts of a tenement such as the roof, is owned by all the proprietors.