Aluminium Sloping Wall Copings 3m Length Alumasc Skyline - Mouse Grey (7005m)Aluminium Wall Coping: Sloping 3m Lengths The Alumasc Skyline aluminium sloping wall coping system provides a quick, easy and cost effective solution to finishing upstanding parapet walls on flat roofs. Each 3m length is supplied with between 2 and 4 strap fixings (depending upon the width) which secure to the top of the wall allowing for the coping to simply click down into place, avoiding the need to penetrate the finished surface while maintaining