Plastic waterproofing sheets generate plastic waste at different stages: production, construction process, use and end of life. This document defines the origin of recyclate made from pre-consumer material and post-consumer material as it is used in new products. These new products can be plastic waterproofing sheets, other sheets, other construction products or other products. It specifies terms and definitions. It gives guidance for assessing the recyclates intended for use in the production of new products. NOTE This document is suitable for products with similar content like: swimming pool membranes, geosynthetic barriers, garden ponds, walk-ways, protection membranes, prefabricated pieces. The design for recycling of packaging, including the recycling itself, is defined in the CEN TC 261 Packaging.