| 摘要 |
PROBLEM TO BE SOLVED: To reduce construction costs as a whole by reducing a work process by a chimney contractor in the construction of a roof chimney penetration section.SOLUTION: A method for constructing a waterproof structure at a section where a chimney 50 penetrates an inclined roof includes the steps of: installing a shaft-like member from a rear face at a position on a roof board 10 through which the central axial line of a chimney 50 passes to make the top end side protrude from the surface in a pre-stage of constructing a roof finishing material 17; installing a frame body 2 in which the upper end side of a peripheral wall 21 is opened, and the lower end side is closed with a sticking member 22 showing a marker indicating the passage position of the central axial line such that the shaft-like member penetrates the sticking member 22 at the marker position; notching the sticking member 22 and the roof board 10 at the inside portion of the frame body 2 to form a roof opening 12 after the roof finishing member 17 is constructed; and fixing the chimney 50 to the roof board 10 side, and covering the frame body 2 with a cap type flashing 4 from above to close the opening of the frame body 2 including the roof opening 12. |
