| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid lightweight roof tile capable of reducing an execution cost by half by integrating two lower drain roof tiles and two upper covering roof tiles. SOLUTION: In this roof tile 1, a fitting fixing downward groove 13 extending in the lengthwise direction in a side part has a lower surface. A fitting fixing upward groove 14 is arranged upward in the lengthwise direction in the side part of the roof tile. An end part near the front has a nonslip claw 15. The reverse face has a strengthening rib, a falling preventive rib, and front and rear support ribs.
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