Static structures (e.g. – buildings) – Intersection of wall to floor – ceiling – roof – or another wall – Laterally related modules; e.g. – spaced surfacing forms corner
Patent
1984-04-04
1987-08-11
Pate, III, William F.
Static structures (e.g., buildings)
Intersection of wall to floor, ceiling, roof, or another wall
Laterally related modules; e.g., spaced surfacing forms corner
52 57, 52276, 98 4221, E04D 130, E04B 706, F24F 702
Patent
active
046852654
DESCRIPTION:
BRIEF SUMMARY
This invention relates to the capping of roof ridges.
A roof ridge capping member is described in U.K. Pat. No. 1,603,095 which comprises a pair of longitudinally extending flanges interconnected by a capping section. At least one of the flanges is connected to the capping section by a re-entrant portion which defines with the flange a longitudinally extending recess, the re-entrant portion forming the upper wall of the recess. The flange is provided with a longitudinally extending abutment surface which faces into the recess. In use, the member is secured to roof rafters, for example by nails passing through the flanges, and the ends of roof tiles may be located in the recess with their nibs engaging over the abutment surface. Such a member has the advantage that no mortar is needed at the ridge of the roof and furthermore no top course tiling battens are required. Thus, the construction of the ridge is considerably simplified.
A further capping system is described in published International Pat. Specification No. WO82/00314 wherein a pair of elongate members are securable to a roof adjacent to and either side of a ridge thereof, a plurality of capping members being positionable over the ridge of the roof to provide a cap therealong. Locating elements are adapted to pass over the capping members and interlock with the elongate members so as to hold the capping members in position. Thus, conventional capping members such as ridge tiles may be employed and may be located without the use of mortar. As with the capping members of U.K. Pat. No. 1,603,095 discussed above, the elongate members of this system preferably include a recess in which the ends of the roof tiles are disposed. In both cases, the element of the system defining the recess is preferably formed of a somewhat flexible or semi-rigid material such as extruded plastics or sheet steel and the dimensions of the recess relative to the tile thickness are such that the tile may be firmly clamped in place.
Clearly an important requirement for any roof ridge capping system is adequate weathering and it is essential that water is prevented from seeping beneath the capping members or the tiles. Thus, with either of the systems discussed above it is important that there is an adequate seal between the upper wall of the tile retaining recess, which rests against the tile, and the upper surface of the tile. In this connection, problems are encountered where profiled roof tiles are used since the upper wall of the recess which engages the top surface of the tiles does not follow the profile of the tiles and as a result gaps are formed through which water can flow. This problem may be overcome by means of filler units or members which are disposed between the upper surface of the tiles and the upper wall of the tile retaining recess. A lower tile engaging portion of each filler is profiled so as to follow the contours of the tiles while an upper portion thereof presents a substantially flat surface which is engaged by the upper wall of the tile retaining recess.
However, it is also important that the region below the capping members is adequately ventilated to reduce the effect of condensation in the roof space, and it has therefore been proposed to provide ventilation slots or holes in the element defining the recess. However, the use of a filler member substantially blocks effective air flow from outside the roof to beneath the capping members and adequate ventilation is not achieved. It is thus an object of this invention to provide a solution to the problem of ensuring adequate ventilation whilst retaining efficient weathering.
According to the invention there is provided a roof ridge capping system comprising a ridge capping portion connected to a re-entrant portion which is arranged to overly and weather the end of a tile adjacent the ridge, the tile having a profiled upper surface and there being a filler member disposed between the re-entrant portion and the upper surface of the tile, the filler member having its lower region shaped so as to match the
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Marley Tile A.G.
Pate III William F.
Safavi Michael
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