I resist the temptation to tell him I don't give a what he thinks, I'm Home AT Last! Flat roofs imply a flat or horizontal covering upon the home or developing. A easy ridge roofing is composed of decline rafters which are lying on the vertical plates at the leading of a wall. http://sorceryofindianfood.com/learn-the-fundamentals-of-torch-down-roofing-4/