Calandre. Garage Doors. October 14th , 2017.
These doors can be chain driven either manually, or can be automated using electric motors. Roll up doors require more frequent evaluation and servicing than a standard overhead garage door. The tracks that are mounted vertically on both sides of the garage opening need maintenance and cleaning more frequently, and are often blocked by foreign obstructions or damaged by collision of some type. These roll up doors are often held open by some type of ratcheting action. Proper balancing of these doors is often more important than an overhead type of door, as the weight of these type of doors is normally much greater than an overhead door.
In response to the inherently dangerous old style garage spring issues as above, a newer and safer system for opening the overhead garage door was created. The idea was to transfer the load or weight of the door via a cable and pulley system to a vertical rod now equipped with a torsion (twisted) spring. This type of spring is installed with specialty hardware and bolts to a fixed plate at one end, while the entire spring is installed around a horizontal pipe. This load balancing device is normally installed directly over the header of the garage opening. Using appropriate cables, connectors and pulleys, the weight of the garage door is transferred into the torsion spring system. The difference between the old style stretched spring and the newer torsion spring is the way that the spring energy is stored. With the old style stretched spring, the energy is stored and released by pulling on the spring or returning the spring to its un-stretched condition.
When you shop around for a new garage gate, each manufacturer will vouch that their product is the best. Dont be tempted by catchy advertisements or unrealistic promises. Always keep in mind that your new garage gate should last for at least 10-20 years, depending upon the usage rate and maintenance frequency. Steel garage gates are most common. Lower costs, ease of maintenance, and a variety of available designs make steel garage doors the obvious choice. In general, no painting is required, though you can have a garage gate painted if you wish. You can also get a variety of designs, such as, raised panels, flush panels and so forth. As most garages share an interior wall of a home, insulation inside the garage door can help in cutting down your heating/cooling expenses.
Chamberlain GmbH based in Saarwellingen, Germany is a principal supplier of residential garage door openers, commercial and residential gate operators, and remote controls in the world. The company has offices in France, England, the Netherlands, Poland, Slovak Republic and Singapore. Chamberlain products are available almost across the whole world. Chamberlain offers garage door openers in commercial as well as residential varieties. Chamberlain®, Whisper Drive® and Power Drive® Garage Door Openers are the most popular brands from Chamberlain.
This story was published in the "Far North Dallas Advocate" magazine in the March 2011 issue. It had a happy ending, but how easily it could have turned tragic. What if the wife had not awakened during the night? What if the husband did not have a rifle? What if the robber struggled with the husband and took his rifle away? A simple robbery could have easily turned into a homicide. Now ask yourself this: "What if that had been your home and your family that were threatened?"
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