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S-5-USF™ Mini Clamp

Unique Flange Design Provides Versatile Utility Mounting for Most Vertical Standing Seam Profiles.

S-5-USF Mini Brochure

Why Choose the S-5-USF Mini Clamp for Your Project?

For those times when a nut and bolt provides the ideal connection to a standing seam clamp, the S-5-USF Mini (“USF” for Universal System Flange) is an economical, non-penetrating standing seam metal roof (SSMR) clamp for most vertically-oriented seam profiles.

With a slotted hole in the flange for minor adjustment, the USF is ideal for walkways, module-level power electronics, bottom-mount solar rails and a host of other utility mountings.

Stainless steel lock-nuts and several bolt sizes are sold separately.

The USF Mini has a single setscrew for medium or light-duty applications, such as satellite dish and other rooftop utility mounting.

Please refer to the load testing of the S-5-U Mini for holding capacities of this clamp on different materials and seam specifics.

Choose the USF Mini to mount a variety of utilities to your snap seam and double-folded, standing seam metal roof with nominal seam thickness ≤ 0.47” (12 mm)

For more traditional double-folded seam dimensioning, the S-5-EF provides better economy than this clamp. Also see the S-5-Flange Adapter to turn any S-5 clamp into a flanged component.

Be sure to check out the many other features on the clamp overview page.

Mini S-5-USF metal roofing clamp


Minor Box: $6.63 Qty: 50

Master Box: $6.41 Qty: 200

*Pricing above is per clamp in USD. Prices vary based on region and other factors. Pricing improves with order quantity. Broken boxes may be subject to handling charges. Call your Authorized S-5! Distributor for current pricing.

Use Our Project Configurator

Mini S-5-USF metal roofing clamp

The S-5-USF Mini Works for the Following Roofs:


Standing Seam

S-5-USF mini clamp with size

Product Specifications:

  • Slotted hole in flange provides some adjustment for versatile utility mounting
  • Fits the majority of standing
    seam profiles, including most
    snap-together and machine-folded
  • One T-30 Torx round-point setscrew (Torx bit tip provided)
  • Ideal for bottom-bolted solar PV rails
S-5-USF mini clamp with size

Is the S-5-USF Mini the Best Choice for Your Application?

Conduit mounted metal roof

How to Install the S-5-USF Mini Clamp on Your Roof Profile*

Place the clamp over the seam at the desired location and tighten the Torx Drive (T-30) setscrew to the specified tension. The slotted thru-hole in the flange accommodates bolt diameters of up to ⅜” (10 mm).

*See more detailed installation instructions in the PDF download below.

*S-5! clamps may be moved in the event of initial misplacement. However, due to the ensuing oxidation process which acts as a natural thread lock, we can express no opinion to the performance of a clamp once it has been removed and reinstalled or the ability to remove the clamp after this process has occurred.

S-5-USF Mini Installation Instructions

Conduit mounted metal roof

Have More Questions?

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How much load will S-5! clamps hold?
How can I be sure that S-5! setscrews won't damage my panel?
How much load will Mini (one setscrew) clamps hold in the parallel load orientation?
What profiles will S-5! clamps not fit?
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