India’s First pre-coated, ready to install Aluminium Panel. A Solid Aluminium Panel (SAP) is a non-composite, mono-material sheet of aluminum. Unlike Aluminium Composite Panels (ACPs), which consist of a polyethylene or mineral core sandwiched between two aluminum skins, solid panels are made of a single, solid layer of aluminum—usually ranging from 2mm to 3mm in thickness. Below is the showcase of Solid Aluminium Panel.