Vertical covering awning with overall dimensions, chain driving. The cloth is completely closed in its shutter-box with side aluminium rails. Rapid and simplified installation inside two walls thanks to its side compression system, self-supporting and auto-centring. Wall or ceiling application even. Painting by polyester powder in our factory performed following rigid qualitative standards. Optional for T12 inside two walls: Mosquito net SPRING model characterized by a minimum overall dimensions and by gain application on the previously installed structure T12. Chain driving or by recall spring. N.B.= The chain driving of the SPRING mosquito net must be installed on the opposite side to that of the structure T12.