Aluminium composite soffit (Alucobond, Vitrabond, Alpolic etc)
Used in place of a timber substrate the alcopolic panel has the advantage that it is already pre-finished in a vast range of colours, textures and even metal types, or can be sprayed as required. A further advantage is that it is able to be easily twisted and manipulated if required, as in the case of this curved stair.
A cost effective soffit option that can utilise any of the common brand names