Supply and professional installation of all wall and ceiling claddings in the triple sports hall, including substructures, fixings, and all ancillary works. In the sports hall: timber or wood-based panel cladding as a durable, acoustically effective wall lining, including substructure, rear ventilation (if required), as well as neat connections to floor, ceiling, and built-in elements. In corridors and entrance areas: suspended ceilings in timber or wood-based panel construction, including support and suspension systems, access panels, integration of built-in components (lighting, building services), as well as acoustically effective execution. Including all adjustments, cut-outs, edge detailing, protective measures, and ancillary works.