| 摘要 |
PROBLEM TO BE SOLVED: To propose a connection structure of a roof material capable of preventing large quantity flooding caused by a siphon phenomenon, on intrusion of rainwater from a fitting part between an upper seam and a lower seam.SOLUTION: A connection structure of a roof material is provided for covering a roof of a building structure by mutually connecting the mutual roof materials together, by respectively fitting a lower seam 2 and an upper seam 3 of the respective roof materials to an upper seam 3 and a lower seam 2 of the roof material 1 adjacently arranged to these, by arranging a plurality of roof materials 1 having the lower seam 2 on one end in the width direction of a body part and having the upper seam 3 on the other end in the width direction of the body part, in a laterally juxtaposed state along the eaves direction, and a clearance L of at least 2.0 mm is provided at a horizontal distance between an outside wall surface 2aof a head part 2a of the lower seam 2 and an inside wall surface of the upper seam 3 on a fitting part for fitting the lower seam and the upper seam.SELECTED DRAWING: Figure 3 |
