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Garage Door Not Closing All the Way? Heat May Be to Blame

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Garage Door Not Closing All the Way? Heat May Be to Blame

When the Texas summer sun starts blazing, it’s not just your AC unit that feels the pressure—your garage door might be feeling the heat too. If you’ve noticed your garage door refusing to close all the way or acting strangely during the warmer months, you’re not alone. The culprit could be something as simple (and sneaky) as thermal expansion or track misalignment caused by rising temperatures.

🔥 Why Summer Heat Affects Your Garage Door

In San Antonio, it’s common for summer temps to soar well into the triple digits. That extreme heat can cause the metal components in your garage door system—like tracks, springs, and rails—to expand. Even the door panels themselves can shift slightly with temperature fluctuations.

Here’s what happens:

  • Metal Expansion: As metal heats, it expands. Your garage door track may slightly bend or misalign, throwing the door off balance.

  • Sensor Misalignment: Sunlight or heat can interfere with safety sensors, making your opener think there’s an obstruction.

  • Swollen Seals or Panels: Wooden or composite doors may swell or warp in the heat, preventing a clean seal or full closure.

  • Lubricant Breakdown: High temperatures can cause lubricants to thin out, increasing friction on moving parts.

🔧 Signs Heat Is Causing Garage Door Trouble

If your garage door isn’t closing all the way, here are a few red flags to look for:

  • Door reverses just before touching the ground

  • You hear loud squeaking or popping sounds

  • One side of the door appears lower than the other

  • The safety sensors blink or flash

  • Manual closing feels jammed or stiff

✅ How to Fix It (and Prevent It)

At Precision Garage Door of San Antonio, we specialize in diagnosing these summer-related issues quickly and affordably. Here’s what we recommend:

  1. Professional Track Realignment: We’ll inspect and adjust your garage door tracks to account for thermal expansion.

  2. Sensor Calibration: Ensuring your safety eyes are properly aligned and shielded from direct sunlight.

  3. Lubrication & Tune-Up: Summer heat can break down lubricants—our tune-up includes a full lubrication of all moving parts.

  4. Weather Seal Inspection: We check for swollen or deteriorated seals that may be causing drag.

  5. Safety Check: Every visit includes our free multi-point safety inspection for your peace of mind.

🌞 Don’t Let the Heat Leave You Stuck

The best time to handle summer garage door issues is before your door refuses to budge completely. Whether you’re dealing with an annoying misalignment or you just want peace of mind, our trained & experienced techs are ready to help.


📅 Schedule your summer garage door tune-up today with Precision Garage Door of San Antonio!
✅ Fast Service | ✅ Upfront Pricing | ✅ Free Safety Inspection

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Office: (210)590-1250
2502 Freedom Drive
San Antonio, TX 78217
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Office: (210)436-6546
4727 Shavano Oak
San Antonio, TX 78249