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A sheet metal panel for a standing seam roof, a standing seam roof formed of the panels, and a method of installing the roof. Each panel is generally in the form of a shallow channel, having a web and first and second flanges extending up from the web at opposite sides of the web. The first flange h

A sheet metal panel for a standing seam roof, a standing seam roof formed of the panels, and a method of installing the roof. Each panel is generally in the form of a shallow channel, having a web and first and second flanges extending up from the web at opposite sides of the web. The first flange has a downwardly opening channel section at its upper margin on the outside, with a sealing strip in this channel section. The second flange has a sealing lip section at its upper margin on the inside. In the roof, the panels are mounted alongside one another on the panel supporting means (e.g., purlins) of the roof, with the first and second flanges of adjacent panels alongside one another and with the lip section on the second flange of one of two adjacent panels sealingly engaging the sealing means in the channel section on the first flange of the other of two adjacent panels. Each panel is held down by a clip secured to the supporting means having a thin flat leg extending up between the first and second flanges of adjacent panels and a hook hooked over the top of the second flange.

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An elongate sheet metal panel for a standing seam roof having a web adapted to bear on panel supporting means of a roof and first and second flanges both extending up from the web at opposite sides of the web, said panel being adapted to be mounted on said supporting means adjacent another panel wit

An elongate sheet metal panel for a standing seam roof having a web adapted to bear on panel supporting means of a roof and first and second flanges both extending up from the web at opposite sides of the web, said panel being adapted to be mounted on said supporting means adjacent another panel with the webs of the panels bearing on said supporting means, with said flanges standing up from said supporting means, and with the outside of the first flange of one panel alongside the outside of the second flange of the other, the first flange of the panel having an integral downwardly opening channel section extending longitudinally along its upper margin on the outside thereof, said channel section being provided with sealing means therein before assembly with another panel on said supporting means, said second flange having an integral sealing lip section extending longitudinally along its upper margin on the inside thereof adapted to fit in the channel section of an adjacent panel on said supporting means and sealingly engageable with the sealing means in the latter channel section to form a sealed standing seam, the channel section comprising an upper web extending laterally outwardly from the first flange at the upper edge of the first flange, and an outer flange extending down from the upper web at the outer edge of the upper web, the sealing means extending along said outer flange of said channel section, said lip section of the panel having an outer edge portion engageable with the sealing means of the channel section of the adjacent panel, said channel section further comprising a lower lip extending laterally inwardly from the outer flange of the channel section at the lower edge of said outer flange, said sealing means comprising a strip of flexible resilient material adhered to the inside of said outer flange between said upper web and said lower lip and facing toward the first flange of the panel.