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-   -   Garage Door Extension Spring Question (http://www.diychatroom.com/f19/garage-door-extension-spring-question-65056/)

kmc143 02-22-2010 08:53 AM

Garage Door Extension Spring Question
 
Last week one of the extension springs in my garage door snapped (luckily we're already inside the house when this occurred).

I went into Home Depot and brought the old extension spring with me and the person at HD game me a white color coded spring (110lbs). Also purchased new pulleys and extension cables (safely cable already included with the springs).

Here is the problem, when I installed the new extension springs (both sides), the garage door is hard to close (feels heavy when closing) and when I let go it springs right back up and won't stay midway. Now to check if I installed it wrong, I removed the springs from the other garage door and replaced the new ones and it worked fine.

My question is, are the white color coded (110lbs) spring to strong for my garage door? The old springs are a bit rusted and it's color code looks a bit like silver. HD only carries 90, 110, 130lbs springs.

Some bits of information:
Garage door is 7x8 uninsulated , I weighed the unsprung side of the door and it shows around 50lbs.

Bondo 02-22-2010 12:02 PM

Quote:

My question is, are the white color coded (110lbs) spring to strong for my garage door?
Ayuh,... That's surely what it sounds like...

Maintenance 6 02-22-2010 02:52 PM

Garage door springs are rated for weight and length of extension. Go get the right ones before you damage the door or worse, yourself. To weigh the door place the scale in the center and take the tension off of the remaining spring. Don't assume that the unsprung side is half of the weight.

kmc143 02-22-2010 05:56 PM

Quote:

Originally Posted by Maintenance 6 (Post 404263)
Garage door springs are rated for weight and length of extension. Go get the right ones before you damage the door or worse, yourself. To weigh the door place the scale in the center and take the tension off of the remaining spring. Don't assume that the unsprung side is half of the weight.

You're absolutely correct. Went back and took off both extension springs and weigh the door again at the center. I got around 100+lbs. I went to Lowes this time and they have an extension spring color coded tan (for 100lbs and rated for max 105lbs). Installed them and the garage doors works fine.

Maintenance 6 02-23-2010 08:24 AM

Cool. Glad you got it fixed. Nice to hear a follow up.


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