<p>A composite cladding panel has an internal skin or backing tray (2), and an external skin (3) with foam insulation (4) between the tray (2) and skin (3). A pre-formed gasket (20) is bonded to the external skin (3) and a coating (30) is applied to the external skin (3) of the panel and to an outer face (21) of the gasket (20) to provide a surface finish such as a textured finish. No joint is visible between the coated skins (3) of adjacent panels.</p>