A: Steep pitch (greater than 6 inches per foot) cross-seam detail. B: Shallow pitch (less than 6 inches per foot) cross-seam detail. The soldered cross-seam connector (c) can be replaced with a solderless connector in terne or TCS. Standing-Seam Roofs by Walter Jowers A generation ago, sheet-metal workers built a lot of cornices, skylights and roofs—usually standing-seam roofs. While few new roofs of this type have been installed on houses since about 1940, a growing number of old-house owners today are opting to replace their original standing-seam roofs. Most roofing contractors won't go near the job unless they can tear off the metal and install asphalt shingles or roll roofing—or worse yet, coat the metal with a horrid