PROBLEM TO BE SOLVED: To provide a stretching tool for a pipe house reducing work of stretching a transparent resin sheet, and enabling work of stretching the transparent resin sheet over a rooftop with an easily detachable inexpensive stretching tool without being affected even if light wind blows. SOLUTION: This stretching tool for the pipe house is composed of a first protrusion preventing part 11 preventing a coating member from protruding, a second protrusion preventing part 13 preventing from protruding the coating member having an engaging and holding means which can temporarily engage and hold a peeling preventing body thrusting the coating member into the pipe house, and a transfer guide part 14 on which the coating member is put and facilitates transfer. The first protrusion preventing part 11 and the second protrusion preventing part 13 are attached to each other through an energising means 31a, and freely detachably engaged with the transfer guide part 14 so as to turn either one of them outward. COPYRIGHT: (C)2006,JPO&NCIPI