This article discusses about methods of construction of the ventilated facades. The ventilated facade is not only the element of facing. it is the supporting structure. Their main objective - creation of air ventilating space between a facade and an external wall of the building. https://www.roneverhart.com/MagnaFlow-2009-2011-Buick-Lucerne-OEM-Grade-Federal-EPA-Compliant-Direct-Fit-Catalytic-Converter/