Seam roof clamp for holding solar mounting rails - type1. These are used for metal type roofs with a seam. For example, Zinc roofs. The clamp is secured to the metal seam by tightening the flange nuts, which causes the clamp to compress the seam and hold it in place. One in place our M10 hammerhead bolt and M10 flange nut can be used with the steelgear mounting rails to hold solar panels. It can also be used for Schletter rails.
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