Products Archives - DDM Garage Doors Blog

Commercial Door Operator Safety Systems

Friday, August 21st, 2020 at 5:53 pm by Dan Musick

Commercial door operator manufacturers have designed three standard safety systems: the clutch, the photo eyes, and the rpm sensor. These keep the door from injuring people or damaging objects that might be obstructing the door.

First is the mechanical clutch that slips when something obstructs the door.…

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The History & Quality of LiftMaster Operators

Friday, August 14th, 2020 at 5:33 pm by Dan Musick

In the garage door industry, we distinguish between “openers” for residential applications and “operators” for commercial and industrial applications.

Back in the early eighties, I worked for Northwest Door in Elgin, Illinois. While there, I got to know a gentleman who had formerly worked for John Greene Corporation in Downers Grove, Illinois.…

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Garage Door Cables

Friday, January 11th, 2019 at 6:02 pm by Dan Musick
An image of a raw garage door cable.

A straight cable with no fittings installed is considered raw cable. When a contractor or maintenance man is cutting cables for garage doors with various heights and types of lifts, they normally use raw garage door cables on rolls. On standard lift doors, the simplest way to determine the cable length is to add 18″ or 1.5′ to the height of the door, assuming a standard 4″ diameter cable drum.…

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Extension Spring Tandem Yokes

Friday, December 7th, 2018 at 3:51 pm by Dan Musick
View of tandem yoke plate connecting two springs.

Extension spring tandem yokes allow for a total four springs on an extension spring system. They are a good alternative for heavier doors. Using four smaller springs will often save on the cost as well. Above is our tandem yoke plate for lighter doors that weigh less than 250 pounds.…

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5 Things that Get Into a Garage with Poor Seals

Friday, November 23rd, 2018 at 2:44 pm by Dan Musick

The purpose of a weather seal is to keep cold air from entering through the cracks around the garage door. Additionally, it keeps insects and critters out of the garage. By weatherproofing a garage door with poor seals, you can save on your energy bill and stay warmer through the winter.…

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Garage Door End Hinges: Upgrade Considerations

Friday, November 9th, 2018 at 6:19 pm by Dan Musick

End hinges on new garage doors often break prematurely because the hinges are thinner and narrower.

Image of a broken 18 gauge hinge on a garage door.

We often recommend that customers with larger, heavier doors upgrade to the heavier 14 gauge end hinges when possible. Here is a comparison of the benefits and drawbacks of each.…

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Custom Garage Door Parts

Friday, November 2nd, 2018 at 5:18 pm by Dan Musick
An almond colored house with custom garage doors containing windows.

Custom residential garage doors are a beautiful addition to any home. No matter how old it becomes. We always tend to think of it as new, just like the day we bought it. When you can’t deny it any longer and admit it’s time for a repair (or maybe it breaks down and leaves you with no choice), you might worry that the right part won’t be available.…

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Increase Your Home’s Value with a New Garage Door

Friday, October 19th, 2018 at 6:16 pm by Dan Musick

Home remodeling can be exciting, or it can be viewed as expensive, a lot of work, or not worth it. This all depends on one’s outlook and their plans for the future. Sure, there are many people who will tell you that this project or that one will increase your home’s value.…

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Pitch of the Torsion Spring

Friday, July 13th, 2018 at 5:29 pm by Dan Musick
A view of two torsion springs side-by-side showing the different pitch of the spring.

We are frequently asked, “Why is one of my garage door springs slinky and the other tight?” Or, “Why is one spring stiff and the other loose?” The answer lies in the pitch of the torsion spring wire.

When a spring coils, the wire normally winds at a 90-degree angle from the spool or rod around which the wire winds.…

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Free Garage Door Hardware

Friday, June 8th, 2018 at 5:20 pm by Dan Musick

On our Standard Garage Door Torsion Springs page, we include a special offer for free garage door hardware or free winding bars.

An image of end bearing plates, center bearing and cables that are part of the special offer for free garage door hardware.
An image of winding bars that are part of the special offer for free garage door hardware.

Since we started this we have had a number of requests for substitutions.

For example, when someone is purchasing one of our torsion spring conversion kits.…

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Unmatched Support. The Right Part. DIY with Confidence!


Huge inventory of parts and 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. EZ set springs are currently back-ordered, but our videos will show you how to easily convert to standard torsion springs.

COVID update. Because we care! When picking up parts please wear a mask. We'll gladly provide one. Please honor the six foot social distancing rule. Thank you for your patience and understanding.

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.