Defines requirements for materials, test procedures and performance of light transmitting profiled sheets of polymethylmethacrylate (PMMA) produced to the desired profile by extrusion and/or forming for single skin application. Applies in conjunction with general requirements of EN1013-1(1997). Requirements are specific to sheet thickness; sheet width; longitudinal reversion; visual characteristics; retention of profile; thermal ageing; variation of impact strength after ageing, and test procedures are appropriately indicated.