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All Extension Springs are Coated
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DASMA Color Coded
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Rated for a Minimum of 10,000 Cycles
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Springs are double looped at the end
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See Ordering Instructions at the bottom of this page
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DASMA Color Codes for Extension Springs
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White
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10#
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Green
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20#
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Yellow
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30#
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Blue
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40#
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Red
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50#
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Brown
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60#
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Orange
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70#
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Gold
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80#
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Light Blue
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90#
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Tan
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100#
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White
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110#
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Green
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120#
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Yellow
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130#
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Blue
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140#
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Red
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150#
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Brown
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160#
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Orange
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170#
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Gold
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180#
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Light Blue
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190#
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Tan
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200#
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White
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210#
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Green
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220#
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Yellow
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230#
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Blue
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240#
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Red
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250#
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Brown
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260#
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Orange
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270#
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Gold
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280#
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Light Blue
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290#
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Tan
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300#
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About Ordering Extension Springs
the weight associated with the spring is for a pair of springs for example: a 7' tall garage door that weighs 90 pounds would need 2 90# "light blue" extension springs
Extension springs for a 7' tall garage doors are 25" and stretch up to an additional 42" (total stretched length = 67 inches)
Extension springs for a 8' tall garage doors are 27" and stretch up to an additional 48" (total stretched length = 75 inches)
first select the spring by your door weight, then select your door height on the product page
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