K2 2002859 Medi-Klemme Seam Clamp for Round Seam Metal Roofs, 8-11 mm, Aluminum, Silver

Precision-engineered from high-grade aluminum EN AW-6063 T66 with stainless steel A2 fasteners, the K2 2002859 Medi-Klemme delivers a non-penetrating clamping solution for round seam metal roofs, accommodating seam profiles from 8 to 11 mm. Its high corrosion and UV resistance ensure decades of dependable service in harsh rooftop environments.

Overview

The K2 2002859 Medi-Klemme is a seam clamp designed to secure solar PV modules to round seam metal roofs without compromising roof integrity. The robust aluminum body and stainless steel hardware provide a weather-resistant connection, while compatibility with K2 MiniRail, SolidRail, and SpeedRail systems (with adapter) allows flexible system design for both portrait and landscape module orientations.

What stands out

• Non-penetrating clamping preserves roof waterproofing and structural integrity.
• High-grade aluminum body with stainless steel A2 fasteners offers excellent corrosion resistance.
• Fits round seam profiles with diameters from 8 to 11 mm, covering common metal roof types.
• Compatible with multiple K2 rail systems for versatile installation.
• Backed by a 12-year manufacturer warranty and TÜV Rheinland system certification.

Technical details

• Product type: Seam clamp for solar PV mounting
• Roof compatibility: Round seam metal roofs
• Seam profile diameter: 8–11 mm
• Material (clamp): High-grade aluminum EN AW-6063 T66
• Material (fasteners): Stainless steel A2
• Mounting method: Non-penetrating clamping
• System compatibility: K2 MiniRail, K2 SolidRail, K2 SpeedRail (with adapter)
• Corrosion resistance: High
• UV resistance: High
• Installation orientation: Portrait and landscape (module dependent)
• Color: Silver (natural aluminum)
• Fastening type: M8 hexagon screw (included)
• Certification: TÜV Rheinland (system-level)
• Manufacturer series: K2 BasicSet / K2 MiniRail
• Warranty: 12 years (manufacturer)

Our verdict

For solar installers working on round seam metal roofs, the K2 2002859 Medi-Klemme offers a reliable, non-penetrating attachment method that maintains roof warranties and ensures long-term performance. Its robust construction and broad compatibility make it a smart choice for both residential and commercial projects.