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If you open your garage manually, you don’t need sensors. If you have an automatic garage door opener, sensors are required by law. The federal law UL 325 mandates that all residential garage door openers in the U.S. must include sensors. Designed to prevent accidents and reduce the risk of entrapment, the sensors should be able to reverse the motion of the garage door within two seconds of detecting an obstruction. The sensors are there to keep you, your family, and your belongings safe from a door that might otherwise come down too hard or too fast.

You have a couple of options when it comes to lubricant. A silicone-based lubricant is a great choice because it lubricates the door and prevents rust and corrosion from forming. This type of lubricant also lasts a long time and works well in extreme cold and heat, making it ideal for garage doors. Other products you can use include lithium grease and silicone spray. Avoid using heavy, oil-based lubricants, as they can promote debris getting caught up in your garage door tracks.

If you use your garage often, then yes, a garage screen is absolutely worth the investment. Whether you use your garage as a home gym, a workshop, or for some other hobby, there are few things more enjoyable than allowing some fresh air and natural light in without having to worry about bugs. Plus, , in exchange for garage insulation, a garage door screen can provide ventilation that might improve the air quality if you’re producing sawdust or using paints, varnishes, or other potential harmful chemicals.

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.