It' a mixed "Wood+Concrete" deck made with red spruce glulam beams (Sections standard 100 x 120 mm - 100 x 160 mm - 100 x 200 mm) milled on top where it is mechanically inserted a steel joists (FeB44k) with 7cm base and 9.5 / 12.5 cm height; these reinforced glulam beams are placed every 56/66 cm. The decking elements can be:
Extruded polystyrene panel armed on both sides with a network of fiber glass and cement mortar; the total thickness is 54 mm.
Cotto Tiles mm. 20/30 thick, length mm. 400/500 mm and width. 200/250 mm
Spruce Lumber, 20 mm thick. large mm. 120/150, pre-cut in mm. 500/670.
Other decking elements.
The upper concrete slab (at least 5 cm thick) is made with concrete (class Rck 300 N/mm2) reinforced with a steel net.