Static structures (e.g. – buildings) – Roof finial or cresting
Patent
1982-03-09
1985-08-06
Murtagh, John E.
Static structures (e.g., buildings)
Roof finial or cresting
52465, E04D 130, E04D 340
Patent
active
045327394
DESCRIPTION:
BRIEF SUMMARY
This invention relates to the capping of roof ridges.
It is known to cap tiled roofs with ridge tiles of e.g. concrete or clay which are bedded with mortar onto the roof tiles. Such a system has certain disadvantages because of the quantity of mortar required, subsequent cracking due to settlement and the need for skilled labour. It is also known to employ ridge tiles which overlap, the complete assembly being nailed or otherwise secured to the roof with or without the use of mortar. This is still however somewhat labour intensive and time consuming.
In German Patent Application No. P2846025.5 there is disclosed a system utilising a plastics ridge cap provided with flanges which can be nailed to roof battens, the flanges having means for locating the nibs of the top line of tiles on the roof.
While such an arrangement has considerable advantages it does not allow for the use of conventional ridge tiles where desired for reasons of economics or e.g. appearance.
It is an object of the present invention to provide a roof ridge capping system in which conventional ridge tiles can, if desired, be employed whilst permitting simple location of such tiles.
Accordingly the invention provides a roof ridge capping system comprising a pair of elongate members securable to a roof adjacent to and either side of a ridge thereon, a plurality of capping members positionable over the ridge of the roof to provide a cap therealong, and a plurality of locating elements adapted to pass over the capping members and interlocking with means provided on each of said elongate members whereby to hold said capping members in position.
Thus, whilst conventional capping members, e.g. ridge tiles, can be employed, it is possible to locate them without the use of mortar. In a particularly preferred arrangement the locating elements serve not only to hold the ridge tiles in place, but to provide a weather proof joint between adjacent ridge tiles. Thus, the locating elements--which can for example be in the form of bands or straps of a suitable plastics material or a metal--are used in such a way as to bridge the adjacent ridge tiles. The undersurface of each element can, if required, be provided with a separate seal to extend between the element and the outer surfaces of the two ridge tiles. Such a seal is conveniently in the form of a flexible rubber or synthetic rubber strip preferably provided with ridges on the surface facing the the ridge tiles. The strip may be provided with a number of openings so as to engage over lugs projecting from the locating element, the lugs being relatively thin in the longitudinal direction of the ridge and extending between the two adjacent ridge tiles. The lugs thus further assist in ensuring that the locating element is centrally positioned over the ridge tiles between the joint between two adjacent ridge tiles.
The locating elements may interlock with the elongate members in any desired fashion, but preferably form a snap fit. Thus each member may be formed with a longitudinally extending enlarged portion of e.g. circular cross section, the locating elements having at either end an inwardly curved and preferably a C-shaped portion adapted to be resiliently engaged over the enlarged portions. The arrangement is preferably such that there can be relative rotation between the C-shaped portions and the enlarged member portions. This permits adjustment of the elongate member orientation to take into account varying roof pitches. The locating element will generally be pre-formed into the shape of an arc or the like, but should have a degree of resilience to account for varying conditions and to permit the engagement with the elongate member.
Preferably at least one of the elongate members is in the form of a generally U-shaped member, one leg of which is in the form of a flange on which the bottom of a ridge tile is to rest, the flange being provided at its free end with the enlarged portion to engage with the locating elements. The other leg is adapted to be secured to a roof rafter by means of nails or the
REFERENCES:
patent: 2984945 (1961-05-01), Campbell
patent: 3818663 (1974-06-01), Adlam
patent: 4015374 (1977-04-01), Epstein et al.
patent: 4045928 (1977-09-01), Malott
patent: 4080083 (1978-03-01), Malott
patent: 4322934 (1982-04-01), Cooper
Marley Tile A.G.
Murtagh John E.
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