At DDM, we run at least three tests to ensure the quality of our springs.
One of the tests is cycle life. We’ve found that some of the imports are lasting 30-50% longer. …
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Here are the new torsion spring instructions for printing for personal use. Please remember these are copyrighted.
Enjoy!
Dan
DDM has a new product line: long-lasting torsion springs. These springs outlast every other torsion spring on the market by at least 30%.
Generally, increasing the cycle life of a torsion spring requires increasing the wire size. Increasing the wire size while maintaining a constant lift requires increasing the length.…
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This week one of our wholesale customers called me about stripped operator drive sprockets. This issue usually comes from overstress. However, in this case, it could possibly be due to half-baked torsion springs. I recommend the service tech disconnect the drive chain and check the door balance as per the instructions we have on our “Balanced Garage Door” blog.…
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Garage door springs counterbalance the weight of the door, making it easy to lift. In this blog, you will find links for how to replace garage door springs on any of the standard systems.
First, you will need to identify the type of spring you have.…
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Buying garage door springs can be complicated, since there are a lot of different varieties on the market. We hope that this guide will help you find the exact type of spring you need.
For the professional replacing torsion springs can take anywhere from 20 minutes on a residential garage door to an entire day on a commercial or industrial sectional overhead type door. My job was far more complicated than the basic residential garage door since it was replacing springs on a sectional high lift overhead door, making it the toughest torsion spring replacement.…
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Most people take their garage doors for granted. We go into the garage in the morning, open the door, back the car out, and then close the door before we drive off.…
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In the Commercial and Industrial garage door industries, you will often encounter steel rolling doors. At times there will be a necessity to remove a steel rolling door. These instructions are for smaller rolling doors less than 16 feet wide and 14 feet high.…
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This tutorial will provide step by step instructions on how to install a steel rolling door. Please be prudent, as this process can be both difficult and dangerous.
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.
