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Garage door sensors work by using infrared beams to detect objects in the door’s path. One sensor sends a beam while the other receives it. When the beam is broken—say, by your car or anything else—the sensors signal the door to stop or reverse. It’s all about safety and making sure nothing gets trapped under the door. If they’re misaligned, the beam doesn’t connect, and the garage door might stay open or close regardless of obstructions.

Getting a garage door tune-up is worth it. Tune-ups are a form of preventative maintenance that help extend a garage door's lifespan and prevent dangerous issues, like worn springs or misaligned sensors. The cost to get a garage tune-up is far less than letting problems get out of hand and causing costly repairs—or worse—injuries.

Electric garage doors are secure when adequately installed and maintained. They often come equipped with safety features like rolling code technology that generates a new code each time you use the remote, making it harder for burglars to intercept and duplicate. However, their security depends on factors like the quality of the door and your diligence in safeguarding remote controls and access codes. Regular maintenance, strong passwords, and adding security enhancements can boost the security of electric garage doors, making them a reliable choice for many homeowners.

You should lube your garage door components every three to six months depending on how frequently you open and close the door. Lubricant helps keep garage door components operating smoothly for longer; you can expect a much longer lifespan out of a garage door when you properly care for it, including frequent lubrication. Regular maintenance is much more affordable than the cost of replacing a garage door prematurely.