Link: http://www.socalgaragedoors.com/garage_doors_san_diego_repairs.html

This 8x7 garage door had cracks and did not have a strut on the top section. Many companies do not attach a strut to 8x7 doors....I'm not exactly sure why they don't do this especially when there is a garage door opener attached. The opener will pull on that top stile and eventually rip the rivots out, that can be prevented with a strut on the top section. The bottom section of this door also was  a bit bowed out because a car was backed into it. A second strut was placed on it to pull the panel straight.

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Link: http://www.thumbtack.com/Garage-Doors-Installation-Repair-San-Diego-CA/service/65301

Check out our garage door repair services at thumbnail.com

Link: http://www.socalgaragedoors.com/garage_doors_san_diego_repairs.html

We can replace the springs in your box truck......its basically the same thing as a residental garage door. Only difference is that some of the  parts are welded together and they are smaller. Here are some Photos:

Link: http://www.professionaldoordealer.com/articles/springs_tracks/673_551feat5.html

Garage Door Springs
Oil Tempered Wire vs. Galvanized

By Walt Weller

I had the good fortune of becoming involved in the garage door industry in 2003 when my partner and I acquired General Spring LLC. It didn’t take long before we began to hear about—and field—questions regarding oil tempered wire vs. galvanized wire relative to the manufacture of garage door torsion springs. This topic inspires much discussion, and there seems to be two definite and distinct camps in this ongoing debate. My purpose here is not to take one side or the other, but to present information which allows you, the reader, to make your own decision.

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Link: http://www.socalgaragedoors.com

Garage Door Strut Repair........whoever originally installed the garage door, attached the j-arm of the garage door opener to a place with no reinforcement stile.....so over time the top strut and panel bent....luckily the panel from outside did not look damaged so we just replaced the strut and moved the garage door opener over a bit so it would line up with a reinforcement stile......the garage door worked smooth after that....