Do you have a beautiful transom window above your sliding glass door? Many homeowners worry that these architectural features might make automation impossible. At SmartSlydr, we’ve designed our system to be compatible with almost any sliding door setup, including those with decorative glass or structural windows above the frame.
The Solution: Frame Mounting for Transom Windows
For doors featuring a transom window, the most effective installation method is mounting into the above door frame.
Key Installation Features:
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Flat Bracket Advantage: We use specialized flat mounting brackets designed to sit flush against your door frame without obstructing the view of your transom window.


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Zero Interference: The bracket placement is the key to staying clear of the sliding door track. This Flat Bracket would mount above your upper sliding door track.
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Visualizing the Setup: You can view our Mounting Bracket Guide to see exactly how these brackets sit on a standard frame.
Choosing Your Model: SmartSlydr vs. SmartSlydr Pet Door
It is important to note that both the standard SmartSlydr and the SmartSlydr Pet Door are essentially the same high-performance device. We showcase them differently to highlight their specific use cases:
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SmartSlydr: This page is geared toward Smart Home integration and providing critical assistance for individuals with disabilities or mobility issues.
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SmartSlydr Pet Door: This page focuses on the device as a convenient pet door solution, specifically highlighting the use of the PetPass wearable and the DuoButton for animal-triggered access.
Whether you need an accessibility aid or a high-tech pet door, the core hardware is identical and fully compatible with transom window frames.
How is SmartSlydr Regal different?
If you are upgrading your home and want the most premium aesthetic, consider the SmartSlydr Regal. Here is how it differs from standard installations:
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Custom-Cut Precision: The Regal unit is custom-cut to the exact total length of your sliding door for up to 71 inches.
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Edge-to-Edge Design: By matching your door's exact dimensions (up to 71 inches), the Regal provides a seamless, "built-in" look that blends flawlessly with complex or sloped molding.
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Wide Door Support: For doors wider than 71 inches, the device remains 71 inches but still provides a massive maximum opening width of up to 45 inches.
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Quieter Motor: It utilizes a quieter motor as compared to the SmartSlydr models.
To ensure your SmartSlydr fits perfectly, we custom-cut our Regal units to your specific door dimensions. Here is what we need from you:
1. Total Door Length (Crucial & Precise)
This is the most important measurement for a clean installation. It includes the total width of both the fixed panel and the moving panel.
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Seamless Look: We cut the device to this exact length to ensure a "built-in" look on your frame that complements your transom window.
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The 71-Inch Rule: Our Regal unit supports doors up to 71 inches wide for a perfect edge-to-edge fit. If your door is wider than 71 inches, the device remains 71 inches long but still provides an opening width of up to 45 inches.
2. Moving Panel Width (Approximate)
Unlike the total length, the width of the moving panel only needs to be an estimate. This helps our team understand the general scale of your door hardware.
Hands-Off Setup: Automatic AI Calibration
One of the most common questions we get is: "How do I tell the motor when to stop?" The answer is: You don't. Our system features integrated AI Calibration that adapts to your specific door:
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Self-Detection: Once mounted, the device performs a self-test to "feel" the resistance of the fully open and fully closed positions.
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No Manual Programming: It self-detects these points automatically, meaning no manual programming or "limit setting" is required.
Check out the Install Steps to see how easy it is to install.
We’re Here to Help
Still not sure if your frame has enough room under your transom window? We would be more than happy to take a look at your setup! Simply snap a few photos of your door and the window area and send them to our support team.
Bottom line: If it’s a sliding door, SmartSlydr is compatible.