This part of EN 1013-3 specifies requirements for materials and performance of light transmitting profiled sheets of polyvinyl chloride produced to the desired profile by extrasion and/or forming for single skin applicators. It has to be read conjunction with the general requirements contained in EN 1013-1. Requirements specified are relative to: -- Sheet thickness, -- Visual characteristics, -- Longitudinal reversion, -- Retention of profile, -- Tensile impact strength, -- Thermal ageing. Test methods are indicated as appropriate.