| 摘要 |
Roofing tile (1) comprises water barriers (5, 7) made from elastic plates in the region of a water course (4). Preferred Features: The water barriers are made from a metal or metal alloy or a plastic. The heat expansion coefficient of the water barriers is close to the heat coefficient of the roofing tile. The water barriers have a thickness of 0.2-3 mm. The water barriers are trapezoidal. |
