Customer Input Archives - Page 2 of 4 - DDM Garage Doors Blog

Solid or Hollow Stop Molding?

Friday, May 19th, 2017 at 1:00 pm by Sales Team

The garage door industry uses two different types of PVC stop molding – solid and hollow. So which one is better?

A comparison between a two-inch hollow white and two-inch solid white stop moldings.

At DDM Garage Doors, we have kept both the solid and the hollow stop molding pieces as stock items for as long as we’ve been in business.…

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Solutions for Cable Problems on Doors with Jackshaft Operators

Tuesday, June 21st, 2016 at 11:37 am by Dan Musick

There are two types of operators, drawbar with trolley and jackshaft. We will cover some potential solutions since Jackshaft operators tend to cause cable problems.

On trolley type operators, the drawbar arm pushes and pulls the top of the door to open and close it.…

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Converting from Two to Four Torsion Springs

Saturday, May 28th, 2016 at 2:38 pm by Dan Musick

When upgrading to longer life torsion springs, it is often better to convert to four smaller springs. This is especially true when the torsion springs are for heavier garage doors.

On a standard two spring system, both torsion springs normally mount back to back to the spring anchor bracket off-centered above the door.…

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Overhead Door vs. Arrow Tru-Line Hinges

Monday, May 9th, 2016 at 4:14 pm by Dan Musick

Overhead Door Corporation has discontinued the production of its own brand of hinges.

The Arrow Tru-Line hinges are an excellent replacement. However, the holes don’t always line up with the existing carriage bolts on the older wooden doors.

An image of an Overhead Door hing on the left side, next to an Arrow Tru-Line hinge on the right.

You can see the difference between the Overhead Door and Arrow Tru-Line hinges in the image below.…

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The EZ-Set Bearing Keeps Coming Out

Friday, May 6th, 2016 at 4:29 pm by Dan Musick

We received an email this week from a do-it-yourselfer who had installed a Clopay door with an EZ-SET torsion spring set up. On his door, he has a single spring with a winder at the left end of the torsion assembly.…

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Converting from Double Low Headroom Tracks to High Lift

Tuesday, March 15th, 2016 at 9:10 am by Dan Musick

Over the years we have had customers contact us for help converting from double low headroom tracks to high lift, such as when they remove a loft above the door, or when they move a low headroom door from one location to another.…

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Left and Right Hand Springs

Monday, February 22nd, 2016 at 9:59 am by Dan Musick

What is a left hand spring?

In the door business it could mean one of two things.

It could mean the wind of the spring, which would be a left wind spring. A spring wound the opposite direction would be a right wind spring.…

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Gaps on High Lift Doors with Windows

Monday, February 8th, 2016 at 9:35 am by Dan Musick

On a garage door with standard lift tracks the top of the door rises immediately into the radius at about a 45 degree angle. If the door has windows in the top section, the pitch of the tracks allows the window frame to clear the top PVC stop molding.…

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High Lift – How High Can I Go?

Monday, January 11th, 2016 at 1:09 pm by Dan Musick

High lift is defined as the dimension from the top of the garage door to the center line of the horizontal tracks. Most residential doors with 12″ radius tracks have 4 3/4″ of high lift, and doors with 15″ radius tracks have 7 1/2″ of high lift.…

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High Lift Assembly Modifications

Monday, December 21st, 2015 at 9:41 am by Dan Musick

Since we first posted our custom High Lift Garage Door Conversion instructions several years ago, we have noticed a few things that need to be improved.

One was the alignment of the horizontal and vertical angles in step 7.11.


This created a problem with the fitting of the end bearing plate in step 7.21.…

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Unmatched Support. The Right Part. DIY with Confidence!

YES, WE'RE OPEN FOR BUSINESS! DDM is considered a life-sustaining company because we are an internet retail company that provides essential products. Due to the recent outbreak of Coronavirus, however, we are changing our local order pickup policy at our West Chicago location. To pick up an order you will need to order first. The quickest way is to order in advance through our online shopping cart. There you can select the local pickup option. Or, you can call 630-293-1337 for assistance, to confirm availability of parts, and to place your order. Once ordered, your parts will be available for pickup in the lobby of our north side front entrance. Longer items will be picked up on the south side loading dock. Please honor the six foot social distancing rule. Thank you for your patience and understanding as we all navigate this challenge together. More information is available on our blog titled DDM Adjusts to the COVID-19 Coronavirus. In the same article you will also find documentation and an answer to the question: "Is a garage door repair company a life sustaining business?"