This European standard specifies the general requirements for profiled plastics transluscent sheets for single skin roofing irrespective of the material used to produce the sheets. The specific requirements according to the material itself are given in specific Parts of this standard, e.g. prEN 1013-2 and EN 1013-3. The standard specifies test methods and each (excepting that for dimensional tolerances) is defined either as a type test or a quality control test. The test method for dimensional tolerances has been inctuded to provide a common approach for the purchaser and the manufacturer in cases of dispute over measurements. This standard is applicable to all types of translucent roofing sheets used in any kind of buildings. NOTE: Material complying with this standard is also applicable for single skin vertical cladding.