Caleb Penney was born in 1999, on the cusp of the new millennium. He spent most of his childhood in the city of Dakar, and graduated from Dakar Academy in 2018. He started working for DDM in the fall of 2022, shortly after graduating from Wheaton College.…
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In this video, Dan explains how to take apart and then put back together a Serco dock leveler hold down unit.
To take apart and rebuild a Serco hold down unit, you will need 9/16″ and 3/4″ wrenches, as well as an adjustable wrench.…
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When a garage door has been damaged, often only one or two sections need replacing. In this video, Dan demonstrates how to replace a single section of a garage door.
You will need come-alongs and at least three vise grips, as well as more common equipment like a ladder and power drill.…
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In this tutorial, Dan explains how to install the new DDM Safe-T-Winder™. The Safe-T-Winder™ is a new type of winder that winds standard torsion springs without the use of winding bars, by turning the end of the shaft. A power drill is all you need.…
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When extension springs break, they have a tendency to explode everywhere, making them very dangerous. Therefore, it is best to be proactive and install extension spring safety cables.
This is a relatively easy job to undertake, and usually only takes a few minutes.…
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Replacing damaged garage door tracks is important because the tracks hold the door in the opening and keep it from falling. Failure to replace the tracks can also cause premature wear to rollers, hinges, and cables.
In this video, we explain how to replace the vertical tracks on a garage door.…
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In this video, we explain how to wind Spring King spring systems, also known as Simple Set spring systems. These winders are no longer in stock, since they have been discontinued by the manufacturer. For alternatives, see our post on torsion spring winding systems.…
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If you are a garage door contractor who needs to set the clutch on a long row of doors with jackshaft operators, it is important to have a consistent method of adjusting them. This will avoid the extra time required to test, set, and retest each door.…
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I’m currently a Sophomore in college, working part-time as blog editor and contributor for the DDM garage doors blog. I started work at DDM in the fall of 2022, but I met Dan Musick, the company’s founder, at a wedding in 2017.…
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In this blog post, we walk you through how to lubricate the new DDM Torsion Spring Safe-T-Winder™. The Safe-T-Winder™ is a new type of winding system. As well as the winder itself and a lubricant, you will need a power drill, a screwdriver, and something or someone to hold the winder.…
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Huge inventory of torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.
Shelves packed with every part you need to fix your doors.
Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.
