Help Prevent Clip Disengagement and Seam Separation

S-5!’s clamp-to-seam technologies help increase wind uplift capacity on standing seam and other “concealed-fastened” metal roof profiles.

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What is an S-5! WindClamp™?

A wind clamp, otherwise known as “External Seam Clamp” is a small aluminum clamp placed over the seam at given intervals to prevent male-to-female seam separation and/or seam separation from its mounting clip.

The wind clamp significantly increases the wind resistance capacity of the panel system. It can also help prevent clip disengagement when used at clip locations.

Actually, any of our seam clamps will improve wind resistance of the roof and can be used for that purpose. Our “WindClamps™ however, are specially designed solely for this purpose on select seam profiles, so they are even more effective and more economical in quantity as well.

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Why Install Wind Clamps on Your Metal Roof?

Design wind speeds and code requisites are upgraded over the years. What is a building owner to do upon discovering that his roof is no longer code compliant and may be in danger of wind damage or blow-off?

In some situations, the application of wind clamps is highly engineered and extensively tested, while in others it is a “prescriptive” remedy. S-5! offers cost-effective solutions in both categories. They can preserve the roof’s integrity while significantly upgrading its wind uplift resistance as much as 3X for pennies per square foot of roof area.

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

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What are the Advantages of Installing Wind Clamps?

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Cost-Effective Solution for Existing Construction

  • Far less disruptive and costly than roof replacement
  • Can be easily retrofitted to existing roof construction
  • More cost-effective than alternative methods of improving wind resistance such as
    • Adding clips and structure
    • Increasing panel gauge or decreasing seam spacing
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Increase Resistance of Roof Uplift Loads

  • Allows the use of standing seam roofs in new construction when the roof alone does not meet requisite wind suction pressures
  • Offers an increase in failure pressures as much as 300% depending on panel profiles, gauge, and purlin spacing
  • Can bring existing construction into ASCE 07-16 code compliance with minimal expense and without costly structural changes. (ASCE 07 is the consensus standard used to determine design loads for building design)
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Wind Clamps Work With the Following Roofs:

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Standing Seam

Multiple Options to Fit Different Roof Profiles

S-5! Solutions for Wind Uplift Resistance

S-5! WindClamps are designed with the same non-penetrating technology that can be depended on with our entire line of clamps. They utilize one setscrew for easy installation and are tailored to fit your roof profile to provide the best fit and increased wind uplift performance.

MBCI® Double-Lok®

MBCI® Ultra-Dek®

Universal WindClamp 2X

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WindClamp DL

Designed for MBCI Double-Lok® and similar profiles 

PRICING STARTS AT: $2.43

* MSRP is in U.S.D. based on 1 Master Box piece price in U.S./CAN regions. Prices may vary in other regions. Call your local distributor for pricing.

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Need Help Deciding on the Right Wind Clamp?

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What Roof Profiles Work With S-5! WindClamps?

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How to Install the WindClamp on Your Roof Profile*

Partially thread the setscrew into the clamp by hand. Then, position the clamp on the seam. Tighten the setscrew using a screw gun and the included screw gun bit tip. The setscrew will dimple the seam material but will not penetrate it.

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

WindClamp Installation Instructions

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