
A deck comprises a plurality of elongate members (11), such as aluminum extrusions, which each comprise a top flange (12) and a bottom flange (13) interconnected by a web (14) and which are laid side-by-side in abutment and intercoupled, either by integrally shaped parts of the webs or by separate components, such as bars (16), to produce a cellular body with a closed top surface formed by the top flanges (12), a closed bottom surface formed by the bottom flanges (13) and internal bracing. A plu...











