The façade is an important part of the house because it is what keeps moisture from penetrating the wall. It is worth taking care of it, e.g. by removing algae or painting it to prevent new clusters of vegetation on the facade.
Construction of a gable roof is a multi-stage process that requires proper thought and planning. Many decisions have to be made already at the stage of choosing the house design, that is why it is worth taking a closer look at individual stages of roof construction.