To facilitate walking on a bent sheet roof, and to easily fix the bent sheet roof to a roof frame.

A bent sheet roof A comprises a roof body 1, a first connection part 8 of one side edge of the roof body 1, and a second connection part 9 on the other side edge, the first connection part 8 is provided with a first fitting part 4 which is bent inwardly from one side edge of the roof body 1 and recessed upwardly in a tip part, while the second connection part 9 is provided with a second fitting part 5 which is bent outwardly from the other side edge of the roof body 1, recessed upwardly in a tip part and lower than a flat ridge part 2. An opening part 41 of the first fitting part 4 is narrower than an inner part 42, and an opening part 51 of the second fitting part 5 is narrower than an inner part 52, the second fitting part 5 is fitted in the first fitting part 4, the first fitting part 4 is fitted to a fixing member 6 projected upwardly of a roof frame, and the second fitting part 5 is fitted to the first fitting part 4.