AceClamp offers both bar and rail type snow guards for standing seam metal roofs, asphalt shingle roofs, slate and membrane. The AceClamp patented non-penetrating push-pin clamp design secures the snow system the metal roofing panels without traditional set screws, exceeding attachment standards while preventing the panel from installation damage. Ace Clamp snow guards are build from premium grade materials and third party lab tested to ensure our products meet the standards set forth by good engineering practices. Independent certification facilities for UL® (Underwriters Laboratories) have confirmed PMC’s test results in order to issue the certifications they use.