| 摘要 |
<p>A ridge element (30) to be mounted under a roofing plate (32), which is adapted to close an opening (22) at a roof ridge between roofing plates (14, 16) placed on opposite sides of the roof ridge, has one or more ventilation apertures (36, 38) for ventilating a loft defined under the roofing tiles. The ridge element (30) defines one or more ventilating ducts which lead from the apertures (36, 38) of the ridge element (30) to one or more apertures (40, 42) at a lower edge of the ridge tile (32). The ventilating duct(s) have a shape which tapers off from the apertures (36, 38) of the ridge element (30) towards the aperture(s) (40, 42) at the lower edge of the ridge tile (32). Perforated wall elements (46, 48), to which synthetic fibres are applied, are provided in the ventilating ducts in order to permit air to pass both from inside the loft and out and from the outside and into the loft, while blocking the passage of water and dust into the loft.</p> |
