<;P>;PROBLEM TO BE SOLVED: To provide a new pipe house safely and easily opened or closed by few workers, and precisely and rapidly opened or closed with no operational error without putting unnecessary load on a covering sheet. <;P>;SOLUTION: The pipe house 1 is formed as follows: setting eaves edge pipes 25, 25 crosswise in such an arrangement as to regulate the tip end of each of rafter pipes 24 to be concealed in a planar arrangement to form a house skeleton 2; arranging at least a single guidance bar 51 parallel to a ridge pipe 23 so as to be coupled with a mechanism 5 flexibly performing transfer operation from the ground to flexibly move forward or backward in a direction of the axis center of the rafter pipe 24; temporarily attaching an appropriate portion of the covering sheet to the guidance bar 51; and attaching the covering sheet on the front and back eaves pipes 25 at the house skeleton 2 and all the roof rafter pipes 24 displaced between the eaves pipes so as to be freely openable in the axis center direction of the rafter pipe 24. <;P>;COPYRIGHT: (C)2007,JPO&INPIT