Spring repair in Magna, Utah

Magna sits at roughly 4,265 feet, and the 84.5 annual freeze–thaw crossings that come with that elevation fatigue spring steel independently of how often the door runs. Each crossing contracts and expands the coil; the damage accumulates whether the door cycles twice a day or ten times.

There is a second cold effect: freezing temperatures make spring steel more brittle, so the fatigued spring picks the coldest lift of the day to fail. With 94% of Magna's freeze–thaw days packed into November through March, the failure season is not a mystery.

half the homes in Magna were standing by 1972, which makes original springs the exception; doors here are typically on their second or third set. The exception is exactly the door to test, because it is far past the 5–7 years this climate allows.

For $80 to $150 over standard, a 25,000-cycle spring runs about 2.5 times longer. In a 84.5-cycle climate like Magna's that is the rare upsell worth taking: the standard spring's 5–7 years means a second call-out; the upgrade generally does not.

Always as a pair, sized to the measured door weight. An undersized "bargain" spring fails fastest of all in a climate like this one.

Drive fifteen minutes and the inputs change — West Valley City runs 82.5 freeze–thaw cycles and 5–7 years of spring life; Kearns runs 88.4 freeze–thaw cycles and 5–7 years of spring life; and Taylorsville runs 84.4 freeze–thaw cycles and 5–7 years of spring life.

Magna's own figures — 84.5 cycles, median build 1972, 4,265 ft — are what this page prices against; the neighbouring numbers are why quotes should be local, not metro-wide.