Non-metallic building materials for roofs; Non-metallic composite materials for use in roofing; Non-metallic materials for roofs; Non-metallic materials for use in making roofs; Non-metallic materials for use in surfacing roofs; Non-metallic prefabricated roof structures; Non-metallic prefabricated roof units; Non-metallic roof components for buildings; Non-metallic roof coverings; Non-metallic roof panels; Non-metallic roofing; Non-metallic roofing materials; Non-metallic roofs; Non-metallic roofs for building structures; Non-metallic roofs for buildings; Non-metallic roofs for structures; Non-metallic roofs sold complete; Non-metallic sheets for roofing; Plastic roof plates; Plastic sheets for roofing; Roof windows made of inorganic materials; Roof windows made of plastics; Transparent plastic roof tiles; Non-metallic building materials