This part of EN 1013 specifies requirements for materials, methods of testing and performance of polycarbonate (PC) light transmitting profiled sheets produced to the desired profile by extrusion and/or forming for single skin applications. It is applicable in conjunction with the general requirements contained in EN 1013-1:1997. 1.2 Requirements are specified relative to: sheet thickness, visual characteristics, longitudinal reversion, retention of profile, multi-axial impact resistance, thermal ageing. Test methods are indicated as appropriate.