K2 Systems MultiRail 25/4 Solar Mounting Rail 4100mm Silver Aluminum

Installers assembling photovoltaic systems on pitched or flat roofs rely on the K2 MultiRail 25/4 as the backbone for secure module mounting. This 4100 mm aluminum rail provides a stable, corrosion-resistant foundation for solar panels, compatible with K2 clamps, connectors, and roof hooks.

Key specifications

• Profile: MultiRail 25/4 (25 mm height, 40 mm width)
• Length: 4100 mm
• Material: Aluminum EN AW-6063 T66
• Weight: approx. 2.46 kg (0.6 kg/m)
• Color: Silver (natural aluminum)
• Mounting groove: K2 T-slot for module clamps
• Application: Pitched roofs, flat roofs
• Certifications: TÜV Rheinland (typical)

Why choose it

The MultiRail 25/4 offers high structural integrity and excellent corrosion resistance, ensuring long-term durability in outdoor environments. Its lightweight design simplifies handling and installation, while the integrated T-slot allows quick and secure attachment of K2 module clamps without additional drilling.

Ideal use cases

• Residential rooftop solar installations
• Commercial PV projects on flat or pitched roofs
• Ground-mounted systems with appropriate K2 components

Good to know

This rail is part of the K2 MultiRail system and is designed for use with K2 Systems mounting components. For optimal performance, follow K2 installation guidelines and use compatible accessories. The rail is supplied in standard 4100 mm lengths and can be cut to size on site if needed.