My Shallow Windows Hated Motors Until I Tried 1 3/8 Faux Wood Blinds

I bought a 1940s bungalow thinking the original windows were 'charming.' By month three, I realized charm is just a synonym for 'too shallow for modern hardware.' Waking up at 6 AM with the sun drilling into my retinas because I could not fit a standard motorized blind inside the frame was my breaking point. I finally found the solution in 1 3/8 faux wood blinds.

• Standard 2-inch slats protrude 0.5 inches out of shallow frames, which looks amateur.
• 1 3/8-inch slats provide enough depth for a tilt motor without hitting the glass.
• Faux wood handles bathroom humidity better than real timber but requires higher motor torque.
• Zigbee-based retrofit motors are the most reliable for scheduling and local control.

The 1940s Window Trap (And Why Standard Slats Failed Me)

Old houses have character, but they have zero respect for modern automation. My window casings are exactly 1.75 inches deep. If you try to mount a standard 2-inch blind inside that frame, the slats stick out like a sore thumb, ruining the clean lines of the room. It looks like you bought the wrong size at a big-box store and just gave up.

I tried 1-inch mini blinds first. They fit, sure, but they looked incredibly flimsy—like something you would find in a doctor’s waiting room. They also rattled every time the HVAC kicked on. The 1 3/8 wood blinds are the only option that offers that high-end plantation look while actually staying flush with the wall. The struggle is finding a headrail that can house a motor without requiring you to chisel into your 80-year-old plaster.

Why 1 3/8 Faux Wood Blinds Actually Make Sense Here

This is the 'Goldilocks' dimension. It is thick enough to look expensive but narrow enough to leave a few millimeters of breathing room. When you are dealing with shallow depths, every millimeter is a battleground between the motor and the glass. These 1 3/8' wood blinds give you just enough clearance to install a tilt rod motor without the slats scraping the window pane as they rotate.

If you are dealing with even tighter clearances, you might want to check out The Smart Home Hack for 1 2 Faux Wood Blinds in Shallow Windows. But for most of us with mid-century or pre-war homes, the 1 3/8' faux wood blinds hit that sweet spot of aesthetic heft and mechanical feasibility. They look like they were built for the house, not forced into it.

Clearance, Glass Proximity, and Motor Space

Let's talk specs. A standard 1 3/8' wood blinds headrail is usually about 1.5 inches wide. If your window depth is 1.75 inches, you have a quarter-inch of 'slop' to play with. You need to measure from the glass to the front edge of the casing at three different points. Windows in old houses are never square; a frame that is 1.75 inches deep at the top might be 1.6 inches at the bottom.

How to Cram a Smart Tilt Motor into a Narrow Headrail

Most retrofit motors, like the ones from Sunsa or Brunt, are designed for 2-inch headrails. Getting them into 1 3/8 wood blinds requires a bit of 'unauthorized' engineering. I had to ditch the universal mounting brackets that came in the box and use high-strength foam shims to keep the motor from vibrating against the metal headrail.

Once the motor is in, the pairing is the easy part. I use a Zigbee-to-Ethernet bridge to keep the latency low. Hold the pairing button for 5 seconds until the LED blinks blue, and Home Assistant picks it up instantly. I set a 'Morning' routine: at 7:30 AM, the slats tilt to 45 degrees. It lets the light in without giving the neighbors a front-row seat to my morning coffee routine.

Weight vs. Torque: Did the Thicker PVC Fry My Zigbee Motors?

Faux wood is essentially heavy PVC. It is much heavier than real basswood. This is where cheap motors die. I found that if I tried to tilt 72-inch wide 1 3/8' faux wood blinds, the motor would groan and occasionally lose its calibration. The torque required to flip those heavy slats is significant.

The fix? Do not use the 'fast' speed setting on your motor. Slower rotation means less strain on the plastic gears. I have been running this setup for six months, and the battery drain is about 15% per month. That is acceptable, considering I am asking a tiny motor to move three pounds of plastic twice a day.

When to Just Give Up and Switch to Woven Textures

Sometimes, the math just does not work. If your window depth is less than 1.25 inches, stop trying to make 1 3/8' faux wood blinds happen. You will end up with a motor that jams every time it tries to close. In those cases, I usually pivot to Woven Wood Shades. They mount to the face of the trim or require almost no depth for an inside mount.

If you want a 'set it and forget it' solution that skips the DIY motor hacking, look at the Crocheting Series Motorized Woven Wood Shades. They handle the shallow-depth problem by moving the entire mechanism into a compact roller or a top-mounted stack that does not care about your window's internal dimensions.

My Final Setup and What I'd Do Differently

After a weekend of swearing at mounting brackets, my 1 3/8 faux wood blinds are finally automated. The noise level is a low whir—about 38dB—which is quiet enough that it doesn't wake the dog. If I did it again, I would probably spend the extra money on real wood slats just to save the motor from the weight of the PVC. But for a bathroom or kitchen where moisture is an issue, this setup is unbeatable. It is the only way to get modern smarts into a window that was built before the invention of the microchip.

FAQ

Will a 2-inch motor fit in a 1 3/8-inch headrail?

Usually no. You need to look for 'tilt-rod' specific motors that sit inside the rail, and even then, you may need to remove the motor's outer plastic shell or use custom adapters to make it snug.

Are 1 3/8 wood blinds harder to find?

They are less common than 2-inch blinds, but most custom blind shops and several major online retailers carry them specifically for shallow-depth applications.

Does faux wood warp in the sun?

High-quality PVC faux wood is rated for high heat, but in direct, southern-facing sun in a place like Arizona, they can sag over years. For most climates, they are more durable than real wood.