Bearer arch e.g. case-bays, during manufacture of floor of crawl space in building, has carrier piece provided with longitudinal ears, and separated piece comprising projecting member that forms completion tab

摘要

The arch (1) has a body (3) defined by two lateral sides (7) to extend along beams (P). The lateral sides are provided with a longitudinal ear (8) to be supported on one of the beams. One of the lateral sides is provided with a completion tab (2), which is positioned under the contiguous beam. The body is formed by assembling of two parts through integration units. A carrier piece (10) is provided with the longitudinal ears. A separated piece (11) comprises a projecting member forming the completion tab. The pieces are made of an expanded polystyrene material.