The Fastensol F-MR-S-3.5 silver mounting rail, manufacturer article F-MR3550, is a 3550mm Al6005-T5 rail for compatible roof solar PV mounting systems.

• LAMPS sellable SKU F-MR-S-3.5 and Fastensol article F-MR3550
• 3550mm mounting rail length listed by Fastensol
• 2.60kg weight listed by Fastensol
• Silver or black colour options listed by Fastensol
• Material listed as Al6005-T5
• Surface treatment listed as anodised
• Fastensol rail datasheet lists 60m/s wind load and 2.0kN/m² snow load application data

Why choose the F-MR-S-3.5 rail?

F-MR-S-3.5 is the LAMPS sellable SKU for the 3.55m silver mounting rail, while F-MR3550 is the Fastensol article reference shown on the datasheet. Including both codes helps installers match the rail against quotes, project schedules and supplier paperwork.

The rail is the main body of the mounting system. Roof hooks or slate brackets connect the rail to the roof structure, and module clamps secure the framed solar panels to the rail.

What does the 3550mm length mean for design?

The 3550mm length gives installers a defined rail section to build from. A single rail may suit some smaller module rows, while longer rows may require rail splices and careful joint positioning. Shorter runs may require cutting and a compatible rail end cap.

The installer should confirm module dimensions, rail span, hook spacing, splice positions, rail overhang and end clamp clearance before ordering. Rail quantity should follow the project design rather than a simple panel count.

Material, finish and loading data

Fastensol lists the rail material as Al6005-T5 with anodised surface treatment. The rail is listed in silver or black, with this page covering the silver stocked line.

The rail datasheet lists 60m/s wind load and 2.0kN/m² snow load application data. These figures should be read within the published Fastensol system documentation and the site-specific mounting design, not as a replacement for project calculation.

Which components complete the rail run?

This rail is normally used with compatible Fastensol roof hooks or slate brackets, universal clamps, rail splices and rail end caps. The choice depends on roof covering, module frame thickness, row length, colour preference and the fixing design.

Browse Fastensol GS Roof or the wider solar mounting systems range for related mounting parts.

Loading delivery information...