Static structures (e.g. – buildings) – Roof finial or cresting
Patent
1982-06-21
1985-02-26
Murtagh, John E.
Static structures (e.g., buildings)
Roof finial or cresting
52277, 52537, E04D 136
Patent
active
045010978
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a ridge element for corrugated roofings for bridging the top gap between opposed inclined roof portions forming with each other an angle of any size between 50.degree. and 160.degree., with the ridge element having opposed wing portions profiled so as to generally be engageable with the standard corrugations of the roofing.
As described in several publications, e.g. DE-OS No. 26 53 053, the use of corrugated roofings have presented certain problems as far as the ridge elements are concerned, specifically due to the fact that roofs are not built with any standard roof angle, whereby an ideal ridge element should be produced in as many types as corresponding to the number of different roof angles used in practice, this of course being highly inconvenient. The previous development of the ridge elements historically ranges from simple ridge tiles rested to angularly adjustable ridge elements having a top hinge and wing portions profiled so as to correspond to the corrugation of the roofing elements, whereby these ridge elements could be easily adjusted to the actual roof angle and nevertheless engage the corrugations of the roofing in a desired tight manner. These ridge elements were produceable in conventional roofing plate materials such as asbestos cement, but the top hinge contributed to a relatively high price of the products. According to a following development the ridge elements were suggested to be made from a flexible artificial material, whereby the corrugated wings of the elements could be laid tightly against the upper portions of the correspondingly corrugated roofing elements irrespective of the roof angle because these ridge elements show a bendable uppermost middle portion. This could seem to be an ideal solution, but the bendable ridge elements are rather expensive, and they require an extra mounting work because they should be secured to the roof at both sides of the very ridge of the roof in order to provide for the desired tight engagement between the roofing elements and the corrugated wing portions of the ridge elements.
In practice one of the most widely used ridge elements is the first mentioned simple tile shell, which is laid onto the roof ridge, whereafter the openings between the lower edges of the element and the top side of the corrugated roofing plates or tiles are cemented or filled out with another suitable filler means or compound, often an expensive sealing compound.
It is the purpose of the invention to provide an improved ridge element which is easy to produce and handle and is usable for a wide variety of roof angles.
The ridge element according to the invention is a rigid monolitic member, the opposed wing portions of which having along their outer longitudinal edges respective downwardly projecting flange portions, the lower edges of which are shaped to accomodate, in use, the standard corrugation of the roofing when the ridge angle is an angle between 90.degree.-140.degree..
The invention is based on the recognition that a flange portion having a free narrow edge shaped so as to generally follow or contact the top surface of a corrugated roofing element, when the flange portion extends crosswise of the corrugations, will still, to at least a high degree, follow the corrugated surface when the angle of incidence of the flange portion relative the roofing element is changed somewhat. Therefore, when a ridge element or tile according to the invention is mounted generally horizontally on the ridge of the roof, i.e. with the flange portions rested against the roofing elements and assuming a standard inclination, then the lower edges of the flange portions will follow the roof element corrugations entirely or at least relatively closely irrespective of the roof angle, of course within reasonable limits. When the ridge angle is so small, e.g. 60.degree., or so large, e.g. 135.degree., that the ridge element does not entirely fill out or follow the corrugations, then these will at least be filled out to such a degree that a complete sealing is
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Murtagh John E.
Rudy Andrew Joseph
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