The AR20 Super Roofs are designed to be set up on standard single steel bases or with integrated bases in any kind of steel scaffolding stage.The AR20 Super Roof is standard available and pre-calculated with the dimensions 16x12m and 12x12m both on six Towers. The AR20 has an incredible uniform divided and point load bearing capacity. This roof meets all the required international standards set by light & stage designers of concerts and events. Naturally PA Wings and Side Houses are available.The AR20 Roof is a Tower based Structure constructed of three Arches and a Cantilever Arch on six TD35 Towers. The Arches are made of standard straight truss sections with hinges and have a keder profile on top to fit the canopy. The AR20 Super ST Roof is a tower based structure with three arches and a standard additional arch as Cantilever. The arched roof structure consist of standard ST truss sections with hinges and spreader plates and supported with spreader truss which gives stability and massive strength and huge multi point loads. The Arches are attached by a hinged connection at the outer ends to standard a TD35 Tower. The arched truss have a keder profile on top to fit the canopy.