BS EN 13523-29:2017 pdf free.Coil coated metals - 1 Test methods.Resistance to environmental soiling (Dirt pick-up and striping) BS EN 13523-29 The area of the rack normally used for the exposure of panels to the 5° orientation is used to install a sheet made of UV stable polymeric material (e.g. polycarbonate>. This sheet forms the collector of the atmospheric soil...