Usually, a fixed planetarium especially a fixed public planetarium built by a science museum/ centre in a city is often perceived and promoted as a tribute to the history of science, our understanding of the heavens above and achievements of human space endeavors. In a way, it epitomizes science and technology from the point of view of a common man. The architectural ambience of a planetarium in a city's skyline often reflects the same in an epic form. The outside surface of a planetarium projection dome screen is always hidden as it is enclosed in a protective structure that is usually of brick and mortar called envelope/ shell. It is this envelope/ shell that usually designed from aesthetics point of view to give a fixed planetarium a suitable epic ambiance. The envelope need not necessarily be dome shaped. Decision makers, for the envelope's ambiance, can choose from many options that are available nowadays in cost effective aluminum composite panels (ACP). The ACP construction also takes less time to construct.

A fixed planetarium projection screen is defined as the curved surface (hemisphere) where the planetarium projection of the sky/ videos is done. A fixed planetarium projection screen unlike, its envelope/ shell has to be necessarily dome-shaped as the sky above our head is also dome-shaped. We supply aluminium and fibre - FRP planetarium projection dome screens of various sizes for fixed planetariums.