NCL Energy Limited is an ISO 9001: 2000 certified company that produces Single Skin Walls of 20/25/30/40mm thickness. The Single Skin Walls are made of 20/25/30/40mm thick cement bonded particle boards [Bison Panels] at 4` intervals or less inserted into GI-H Profiles of 0.6mm for verticals either side of the panel. The Single Skin Walls of 20/25/30/40mm thickness are slid into the 1.25mm thick CR bottom and top tracks, fixed to the platform with the help of expandable screws.