The pull weight of an extension spring is determined by the color code found on the end of the spring.
180 lb garage door extension spring.
The strogest we have is the sk7159 180 lb.
The product didn t work for me.
Double loop ends are standard on all dura lift springs.
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First our garage door springs are for sectional garage door with two extension springs.
Garage door extension spring 7 door.
Prior to purchasing these i weighed my garage door at 188 lbs but after i installed new 180 lb springs the garage door wouldn t lower.
However the pulleys on the garage door reduce the amount of weight carried by the extension spring so the extension spring really only has to lift half of its weight in this case 50.
Finished springs are coated for improved corrosion resistance and handling.
For example a 100 pound extension spring is capable of lifting 100 pounds.
Measure door the height.
As low as 61 99.
For a complete list of garage door extension springs for 7 8 9 10 11 12 13 and 14 tall doors click here determine the door weight and door height.
But we don t have 200 lb springs.
This dura lift heavy duty extension garage door spring for 180 lbs.
Complete with 4 cables and 10 fasteners to fix your overhead sectional door.
Garage door extension spring 7 door.
Weight capacity spring for 180 lbs.
Garage door extension spring 7 door.
3 springs are only sold in pairs.
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Make offer dura lift heavy duty extension garage door spring 2 pack 110 lb 110 lb extension spring replacement h 6 6 w 8 garage door hardware gd 12191 30 99.
Garage door extension springs are designed to lift a specific amount of weight.
All springs are oil tempered for corrosion resistance and clean handling.
I had 170 lb springs on the door.
Garage door using extension spring system.
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Even when i put a significant amount of my weight on the door it wouldn t lower.
If your door is 200 lb you need two 200 lb springs.
All dura lift extension springs are manufactured from oil tempered spring wire meeting astm a229 and are designed for a minimum of 10 000 cycles.