There are a huge number of companies offering roofs, stairs and windows. Many colors allow you to choose windows and roof on design. The staircase is the most important element of the interior. When choosing a staircase, you need to take into account its safety, for example, if there are kids at home, then you should stop choosing on the stairs with two balusters on the steps. The staircase can be made from various materials — natural or artificial stone, wood and. T. D. The roof, stairs and windows must be selected, given also design, color and material. For a wooden house, products made of wood, for large buildings made of stone and. T. p