The standard covers are verified in their structural elements according to the calculations provisions UNI EN-13782:2006, (par. 126.96.36.199. -wind load- and par. 188.8.131.52. -snow load- ) relating to the typology of itinerant removable structures for private or public use. On request the structural elements will be modified and checked according to the local regulations in force . Sprech Srl reserves the right to make changes in the selected models.