These elements of the building facade decoration are used to decorate the corner of the house. The main visual effect of the use of Quoins, on the facade of the house, is a visual decrease in the height of the structure. If you want to use rusty without a chamfer as a corner decor at home – a simple straight shape, then such elements are usually produced locally when insulating the facade. Or ordered in the form of molded products to accelerate the work on the facade. The most common sizes and a simple chamfer at 45º on all sides or three sides.