| 摘要 |
A roofing element for mounting on a sloped roof includes a formed panel. In one embodiment the length is at least as great as the width, the width being cross-wise relative, the length running down the slope. The formed panel has a relief pattern that has a grain direction aligned with the length. The width may be less than one arm's length. The relief element simulates a wooden shake or a slate tile. The sheet metal panel has top, bottom, and first and second side edge margins. The top edge margin has a bulge at one end, and a matingly sized double cuff at the other end. The next adjacent side has a relieved upper end flange that has a transition from a flat flange to a narrower upstanding curved wall defining the lower edge of an accommodation permitting the double cuff of one panel to seat in the mating accommodation of the next adjacent panel. When installed, the accommodation and the double cuff are overlain by the bottom edge margin flange of the next up-slope tile. |
| 主权项 |
1. A roofing element for mounting on a sloped roof, the roof having a slope-wise direction, a cross-wise direction transverse to the slope-wise direction, and an upstanding direction normal to the sloped roof, said roofing element comprising:
a formed sheet metal panel having a cross-slope width and a slope-wise length; said sheet metal panel having a top edge margin, a bottom edge margin, a first side edge margin, and a second side edge margin, said top edge margin being for installation up-slope of said bottom edge margin when mounted to the sloped roof; said top edge margin having an upwardly formed over-folded flange with a distal flange edge oriented down-slope; said bottom edge having a downwardly formed under-folded flange with a distal flange edge oriented up-slope; said bottom edge having a down-slope margin defining a drip line, as installed in use said drip line lying down slope of a mating top edge margin of a next lower adjacent roofing element; said first side edge margin having an upwardly bent over-folded first side flange; said second side edge margin having a downwardly bent under-folded second side flange; said top edge margin and said first side edge margin meeting at a first corner; said top edge margin and said second side edge margin meeting at a second corner; said top edge margin having a first top edge corner portion at said first corner; said top edge margin having a second top edge corner portion at said second corner; said first side edge margin having a first top corner portion at said first corner; said second side edge margin having a second top corner portion at said second corner; said first top edge corner portion having an enlarged accommodation formed therein; said second top edge corner portion having a cuff fitting formed thereat; said cuff fitting being sized to mate, on installation, with a corresponding enlarged accommodation of a next laterally adjacent roofing element, the corresponding enlarged accommodation being the same as said enlarged accommodation of said first top edge corner portion. |
