H shape Timber beam protected against humidity, knocks and spalling to improve its durability. The lower beam is lodged inside the forked head and it is named as main beam. Over it, the cross beam, which serves to support the phenolic plywood. With a high capacity of load and low weight (only 4,7 kg per meter), it has an easy manipulation, speeding up the assembly. It is available in 80 millimeters width and several lengths: 2.45, 2.65, 2.90, 3.30, 3.60, 3.90, 4.50, 4.90 and 5.90 m