Framed timber floor is ?

This type of wooden floor is used for spans of more than 7.5 meters. Girders are placed between the walls and binders are placed on the girders and bridging joists rest on the binders. The spacing between girders depends on the type and size of the girders and the size of the binder. The ends of the girders are placed on stone or concrete molds in the wall. Ceilings are mounted directly on binders or can be installed on ceiling joists.