The railless system on standing seam roof facilitates the rapid mounting of framed PV module,  only three components are required to install the modules directly to the roof.

A base mounting clip is 100mm or 140mm long, therefore easy to carry and attach to almost all trapezoidal sanwich roofs.

Railless mounting system allow for easy logistics, cost-effective warehousing and easy mounting.

The height increase air gap for ventilation of solar panels.

The three piece design of clamp is for height adjustability when necessary.

Rail free mounting system on roof clamp
railless mounting clamps, standing seam roof mounting clamp, pitched roof mounting system

Only three components are required to install the module to the roof.

Exploded view of three-component railless clamp mount SR-R10: base clip 100-140mm, L-foot and hardware

The Rail free mounting system on roof clamp is our newly developed product for commercial flat rooftops, a south-oriented racking solution for mounting framed modules on flat roofs with 5°,10° mounting tilts. The ballast weight is customizable to wind zone and exposure category to meet on an individual basis. The simple and straightforward installation process of the system can save time and reduce the labor cost.

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Benefits

  1. 3 components fix modules straight to the seam — no rails to ship, store or lift.
  2. 100 or 140 mm clips with a 3-piece height-adjustable clamp square up imperfect seams; optional 5° or 10° tilt.
  3. Raised profile keeps an air gap for ventilation; 12-year warranty on a 25+ year design life.

Technical parameters

Metal-Roof Railless Clamp Mount SR-R10 — indicative parameters. Final values follow project engineering.
ParameterValue
MaterialAnodized aluminium 6005-T5, stainless steel 304
Tensile strength (6005-T5)260 MPa ultimate, 240 MPa yield
Tensile strength (SS304)625.55 MPa ultimate, 263.8 MPa yield
AnodisingCoating class AA10, higher on request
Wind speedUp to 60 m/s
Roof typesKliplok and standing seam — clamp type SR-C406Y / SR-C700Y, no penetration
Base clip100 mm or 140 mm
Tilt option5° or 10°
StandardsAS/NZS 1170.2:2011, JIS C 8955:2017, ASCE 7-22
CorrosivityC3 per ISO 9223, higher on request
Calculation basis: AS/NZS 1170.2 / ASCE 7-22Stamped design & quote: 24 hWarranty: 12 yearsDesign life: 25+ years

Frequently asked questions

How much install labour does it save?

Railless direct-attach cuts part count and lift time - fewer crane hours per MW.

Will mounting void the roof warranty?

Attachments install without penetration where specified, keeping the roof warranty intact.

Which module frames fit?

Clamp ranges for 30-35 mm frames are documented per SKU - no on-site clamp swaps.

How do you size the structure for wind?

Site wind speed drives member sizing to AS/NZS 1170.2 / ASCE 7-22, and every design ships stamped - no under-engineered arrays.

Get an engineered mounting quote for your project.

Share drawings, module layout, site location, wind load, snow load and corrosion environment. Solaracks will recommend the system, material, layout and packing approach.

Request a quote