Up right until the nineteenth century, they had been ordinarily referred to in England and North America as "Dutch roofs," and also to today however evoke a Dutch colonial or barn connotation. OSB: Oriented strand board, or OSB sheathing, is usually a form of engineered Wooden that’s comparatively reasonably priced. https://felixouzej.wikigiogio.com/797185/the_definitive_guide_to_roof