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Roof Curbs

Prefabricated roof curb and detail

Installed one piece hybrid roof curb

SSM has developed a patented hybrid roof curb system that is integral with ease of installation and watertightness. The one (1) piece roof curb units can be configured to most metal profile roof panels and can be utilized for exhaust fans, vents, skylights, HVAC units and more. These are currently being utilized on numerous Butler Roof systems and on many other manufacturer’s profiles.

SSM patented hybrid roof curb detail

Every SSM Hybrid Roof Curb we build is handled with the same special attention to detail.  We know that, in most cases, our components must exceed the requirements of metal roof manufacturers like BlueScope, Varco Pruden, Star, MESCO, MBCI, and many more.  We want our hybrid curbs to be able to provide years of worry-free performance. Our curb fabrication always meets the most challenging and specialized requirements from oversized conditions to custom painting.  By using only state of the art equipment to manufacture in a variety of inventory materials such as Galvalume®, aluminum, and stainless steel, we believe that SSM‘s hybrid roof curbs are the best product you can purchase.

By utilizing Galvalume® as our primary material of choice for our hybrid curbs, SSM has chosen the best material available for the widest variety of applications.  Consisting of 45% zinc and 55% aluminum, this alloy looks similar to galvanized steel with a very smooth appearance.  This is due to the visible crystals or facets being much smaller and closer together than those found on galvanized steel.  Consequently, Galvalume®  is more corrosion-resistant, providing a durable and protective coating for the metal underneath, even in bare exposures.  In a nutshell, SSM uses Galvalume® because it is a proven metal cladding choice due to its strength, corrosion resistance, and its longevity.

We bring to you the highest standards of workmanship with over 35 years experience and thousands of curbs delivered worldwide. Let our quality service with competitive pricing and quick deliveries take the worry out of your roof mounting needs and fast-track schedules. SSM is your best choice for custom curb fabrication.

Download Spec Sheet – PDF Download Spec Sheet – Word Hybrid Roof Curb Installation Guide

SSM‘s Roof Curb Installation Guide

By selecting this hybrid roof curb, you have selected a patented (US Patent #US 9546485B2) and proven product that is easy to install.

With decades of experience and thousands of roof curbs under our belt, it is no wonder we are able to continue to innovate and improve our hybrid roof curbs.

There are dozens of roof curbs on the market today, but what sets SSM apart is the attention to detail and the continuous evolution of our patented design.

+Roof Curb Parts

SSM offers a one-of-a-kind patented (US Patent #US 9546485B2) roof curb that comes in one piece with no assembly required making for easy install.

Roof Curb Install Diagram

1. 24 gauge Galvalume®, welded cap is part of our patented design.

2. Integral water diverter cricket.

3. Except as noted, our components are 18 ga. Galvalume®. Our
standard Top Flange is 1 1/2” wide but this can vary depending upon your job requirements.

4. Standard height is 10”and sloped to the roof pitch to provide a level mounting surface, based upon your project’s specific needs.

5. The bottom flange, found on 3 sides, is also 1 1/2” wide but custom widths are available.

6. The interior of the Cricket is full enclosed and insulated.

7. Pre-laid out fastener holes, 9/32” in diameter, are placed at 3” [max.] centers around the full curb perimeter.

8. Purlins, enhance stability of the roof, improving both safety and performance.

+Phase 1: Prep Your Spot

Engineered for ease of Installation, SSM‘s one piece hybrid curb solution is designed to make installation easy.

Hybrid Roof Curb Pre InstallA] Set the curb in place and mark the area to be removed.

B] Cut the opening needed and trim back the roof’s standing seam components as needed for the curb to seat properly.

C] Clean the area around the opening to remove loose particles.

Hybrid Roof Curb Pre-Install

+Phase 2: Lay Your Roof Curb Down

Roof Curb InstallationD] Apply double stick butyl tape [provided] to the underneath side of the perimeter of the roof curb.

E] Trim all excess butyl and check to see that the tape is secure.

F] Remove the backing layer from the tape and flip the hybrid roof curb over – holding it above the roof opening – and check for proper alignment.



+Phase 3: Place Your Roof Curb

Roof Curb InstallationG] Place curb in position and press down along the butyl tape edges to ensure even contact.

H] Secure the curb in place, as per the provided fastener holes, with mechanical fasteners [provided].


+Phase 4: Clean Up and Finish

Hybrid Roof Curb Installation

I] Clean up the area around the opening joint between hybrid curb and roof to remove any loose particles.

J] Apply caulk around the perimeter of the hybrid curb in an even and concise manner, utilizing the proper tools, to ensure a consistent seal.

That is it! You are ready to move on to the next one!

Final Hybrid Roof Curb Installed

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