Your Add On Enclosed Window Blinds Will Jam (Do This Instead)

Your Add On Enclosed Window Blinds Will Jam (Do This Instead)

by Yuvien Royer on Jan 20 2026
Table of Contents

    My 80-pound Lab, Buster, thinks every delivery driver is an intruder. He used to treat my French door blinds like a personal obstacle course, bending the aluminum slats into a jagged mess. I finally got tired of the clatter and the 'modern art' look of my ruined window treatments, so I looked into add on enclosed window blinds.

    • Enclosed blinds add significant weight to your door hinges, causing potential sagging.
    • Magnetic sliders are notorious for de-syncing and jamming at the worst times.
    • Retrofit kits often shrink your viewable glass area by an inch or more on all sides.
    • Low-profile motorized shades offer a cleaner look without the mechanical headaches.

    Why I Thought I Needed Enclosed Blinds in the First Place

    It wasn't just the dog. Every time I opened the door to let him out, the standard blinds would bang against the glass like a percussion section. It was loud, annoying, and eventually, the mounting brackets started pulling out of the wood. I thought addon blinds—those glass sandwiches that bolt over your existing window—were the holy grail. They promised to protect the slats from Buster's paws and stop the rattling forever.

    When you're trying to figure out why choose smart blinds, you usually start with a problem like this. You want privacy, you want protection, and you want to stop the manual labor of fixing bent slats every Tuesday. On paper, enclosing them in glass makes total sense. No dust, no tangles, no dog damage. Or so I thought.

    The Hidden Hassles of Add On Enclosed Window Blinds

    Then reality hit during the installation. These things are heavy. You’re essentially bolting a second pane of glass and a thick metal frame onto a door that wasn't designed for the extra ten pounds. After a month, I noticed my door was rubbing against the frame because the hinges were starting to give under the weight.

    But the real killer is the magnetic slider. Most of these kits use a magnet on the outside to move a magnet on the inside. It sounds clever until the magnets lose their grip. You’ll be sliding the plastic handle up and down like a madman, hearing a faint click-clack as the internal mechanism fails to engage. Once they de-sync, you’re stuck with a half-cocked blind that looks worse than the ones the dog chewed. I spent more time 're-pairing' the magnets than I ever did dusting the old blinds.

    Are Traditional Addon Blinds Actually Worth It?

    Price-wise, you’re looking at $100 to $200 per door. That’s cheap enough to be tempting, but expensive enough to hurt when you realize they’re frustrating to use every single day. The 'privacy' they offer is also a bit of a trade-off. Because the frame is so thick, you lose significant glass real estate. It makes your expansive French doors feel like portholes on a ship.

    If you're looking for a 'set it and forget it' solution, this isn't it. The mechanical failure rate on those sliders is high, and if the internal string snaps inside that sealed glass unit, the whole thing is trash. You can't exactly DIY a repair on a sealed glass sandwich.

    My Alternative Fix: Low-Profile Smart Sheer Shades

    I eventually ripped the glass boxes off and went in a completely different direction. I realized I didn't need to shield the blinds; I needed them to get out of the way. I switched to motorized light filtering sheer shades.

    These are incredibly slim. When they're up, they're practically invisible, leaving the glass clean. When Buster needs to go out, I don't hear a single rattle because the shade is tucked away in its headrail. The motor noise is under 35dB—quieter than a refrigerator hum. I set a simple routine: if the back door unlocks, the shades retract. No dog-on-blind violence possible.

    Mounting Above the Glass (Not On It)

    The trick to making this work on a door is the mount. Don't screw into the glass trim like those enclosed kits do. Mount the headrail about two inches above the window frame on the door's flat surface. This gives you enough clearance so the shade doesn't snag on the door handle when it's moving.

    I spent some time debating whether the hem bar should rest on the window sill or hang above, but for doors, you want it to stop just short of the bottom trim. This prevents the shade from swinging out like a pendulum when you swing the door open. Use small adhesive magnets on the bottom rail if you want it to stay perfectly flush while the door is moving.

    Waking Up to Sunlight (Without Pinching a Slider)

    The best part isn't even the dog-proofing; it's the automation. I have my automatic window blinds on a timer. At 7:00 AM, they rise to 20% to let in just enough light to wake me up. By 8:30 AM, they’re fully open without me touching a thing.

    Compare that to the old way: walking over to the door, fighting with a sticky magnetic slider that feels like it’s going to snap, and inevitably leaving it halfway open because I'm in a rush. I did have one instance where my Zigbee gateway dropped off the network after a firmware update, requiring a 5-second reset, but that's a 2-minute fix compared to the permanent headache of a jammed enclosed blind.

    Do enclosed blinds work on sliding glass doors?

    Technically yes, but they make the door much thicker. You have to check your clearance; often the added glass box will hit the stationary panel when you try to slide the door open, preventing it from opening fully.

    Can I motorize existing addon blinds?

    Almost never. The magnetic slider mechanism isn't designed to interface with external motors. You're better off replacing the unit with a dedicated smart shade designed for motorization from the start.

    How long do the batteries last on motorized door shades?

    In my experience, about 6 months with twice-daily use. I use a long micro-USB cable to charge them overnight twice a year. It's way less work than fighting a de-synced magnet every morning.