24mm x 19mm perimeter wall angle should be fixed to the structure with appropriate fixings at a maximum of 600mm on centers PRODUCT QUANTITIES REQUIRED FOR M2 CONSTRUCTION Wall Angle 0.6 Im Physical Data Material - Hot dipped galvanized steel Surface Finish - Baked polyester paint Cross Tee / Main Tee Interface - Stepped ends Profile - Exposed tee system. System Characteristics Exposed 24mm system Fast and simple to install Maximum economy and design simplicity Cross-tees with override-ends resist twisting and give professionally finished look with no exposed steel edges Compatible with most lay-in ceiling tiles.