Aluminium Wall Cladding 90 Degree Internal Corner Alumasc Skyline - Beige Grey (7006m)Aluminium Wall Claddings: 90 Degree Internal Corner The Alumasc Skyline aluminium interlocking wall cladding system provides a quick, easy and cost effective solution to finishing the outside of a building. Each 90 Degree Corner is supplied with a loose union fixing which secures to the underside of the roof allowing for the cladding panel to simply click up into place, avoiding the need to penetrate the finished surface while maintaining air