Spring repair in Alpine, Utah

Elevation is the quiet driver: Alpine's 5,099 feet buy it 100.1 freezing crossings a year, and each one flexes the coil like a small unpaid cycle. A door used twice a day and a door used ten times age differently — but both springs live in the same Alpine winter.

Cold adds a second effect: low temperature reduces the fracture toughness of spring steel, so a fatigued spring is likeliest to let go on the first lift of a freezing morning. That is when Alpine spring calls cluster — 86% of the year's freeze–thaw days here fall between November and March.

Because half the homes in Alpine were standing by 1997, Alpine garages split between original springs and replacements — the reason one neighbour's spring breaks this winter and the next survives five more.

Upgrading to 25,000-cycle springs costs $80 to $150 more and roughly multiplies life by 2.5. With 100.1 freeze–thaw cycles a year working on the steel in Alpine, the upgrade turns a 5–7-year spring into one most owners never replace again — one invoice instead of two.

Whatever the rating, it goes on as a pair and it gets sized to the actual door weight. Cut-price undersized springs fail fastest exactly where winters are hardest.

Drive fifteen minutes and the inputs change — Highland runs 102.1 freeze–thaw cycles and 5–7 years of spring life; Cedar Hills runs 102 freeze–thaw cycles and 5–7 years of spring life; and American Fork runs 98.5 freeze–thaw cycles and 5–7 years of spring life.

Alpine's own figures — 100.1 cycles, median build 1997, 5,099 ft — are what this page prices against; the neighbouring numbers are why quotes should be local, not metro-wide.