A door in principle is hinged or otherwise moveable section of a barrier 'wall' allowing ingress . Doors allow ingress and egress to and from a building, room, the ease of which is determined by the nature and design of the said 'door'. South Korean artist and designer Choi Jeong-Hwa used 1000 old doors to create an unusual ten-storey door building in South Korea. This colorful public art. Precision Building Service provides Columbus and Central Ohio homeowners with over 35 years of experience of sales and installation of new entry door . Doors, Windows, Millwork and Hardware for Residential and Commercial consumers in Fresno, Clovis and the surrounding areas. Manufacture and placement of an armoured door for a building. Burglar-proof solutions for access to common areas with and without access control. West Plains Door & Building Supply in West Plains, MO is the area's family owned and operated door and swimming pool company for more than 30 years.