Porcelanite 1805 40"x40" PDF CATALOG Abacus A ceramic brick with unusual proportions Pure, authentic colour infused into the material of a ceramic brick. Abacus reinvents porcelain stoneware brick in the colours, surfaces and proportions of the original 7.5x20 cm size. Share CategoriesPorcelain TilesTagsConcrete LookPorcelain Tiles