There are many lubricants out there but many garage door experts suggest using WD-40 (or similar light weight oil) twice a year to keep garage doors in working shape. All the moving parts of the door should be lubricated, including the hinges, the springs and the rollers. A bead of oil across the top of the springs will give a nice coating, and spraying the rollers is most effective. Also, it’s a good idea to check your garage door hardware for loose screws, nuts and bolts as you lubricate.
Very cool! Got it today and installed it. Took about 25 min, but I took my time through the instructions. Had to use the separate instruction sheet for Apple phones. Looks like it was a process to join the hubs wifi in order to enter my wifi router's info. I was going to give it 4 stars since it was $100, but then I started playing with the app and it has some pretty cool settings. I like the warning beeps and light flashing to warn anyone the door is closing - smart. Learned I have a Lift Master door opener - 5 years in the house and never looked up to notice.
Chris was very professional & thorough. He arrived on time & was able to answer all questions that I had. I was extremely satisfied with the quality of the work he performed. I spoke several times on the phone with Mrs. Carol who keep me informed prior to, during, and after the installation of my garage door. She was very professional, easy to talk with and resolved any misunderstanding that I had.
The torsion springs on steel rolling doors work the same way as other torsion springs in the garage door industry. When the door is closed, the spring is wound. The spring is secured to a spring anchor bracket on one end and to the shaft on the other. When the steel rolling door opens, the spring in the barrel supports most of the door weight. The remainder of this weight is lifted by the chain hoist or the operator.

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