The research "Prefabricated Flooring System in Thailand" is emphasized on comparision of various prefabricated flooring systems which are produced and recognized to the market. The researcher's design experiences are also brought to the discussion. The conclusion of the research comes out in term of classification of floor elements which will be easy for architectural designer to choose the correct system for his building. The differences of span and live loads are varied according to the different types of buildings. The process of production and installation of prefabricated flooring systems are included. Also the catalogue of production are in the appendix.
