The roof is the main attribute of any house, and especially of a private country house or cottage. It is not only designed to protect it from rain, snow and sun, but is also an ornament of the house and street, attracts the attention of neighbors and passers-by. In Renga Architecture, the Roof tool allows you to build different roof models using a small set of commands. But at first sight it is not always clear how to make it in one form or another. Therefore, we decided to tell about the different nuances of working with this tool on the example of several country houses - from simple to complex.