Trench/access frames and covers offer easy access to in-floor services with lightweight removable covers. For economical installation, frames are factory mitered and pre-assembled using cast aluminum connectors and extruded aluminum splice connectors. All trench/access assemblies have dual vinyl hollow o-ring compression gaskets, stainless steel fasteners, and protective finish on all aluminum surfaces in contact with cement. Liners are optional for all trench/access assemblies.