Spring repair in Kaysville, Utah

Elevation is the quiet driver: Kaysville's 4,429 feet buy it 86 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 Kaysville 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 Kaysville spring calls cluster — 92% of the year's freeze–thaw days here fall between November and March.

Because half the homes in Kaysville were standing by 1991, Kaysville garages split between original springs and replacements — the reason one neighbour's spring breaks this winter and the next survives five more.

The 25,000-cycle upgrade adds $80 to $150 to a replacement and multiplies expected life by roughly 2.5. At Kaysville's 86 cycles a year of thermal fatigue, that arithmetic tilts firmly toward the upgrade — it converts a 5-to-7-year spring into one that outlasts most ownerships, and it avoids paying the call-out twice.

Fit them as a matched pair, sized to the door's measured weight — in this climate an undersized bargain spring is the shortest-lived spring of all.

Drive fifteen minutes and the inputs change — Layton runs 86 freeze–thaw cycles and 5–7 years of spring life; Farmington runs 86.2 freeze–thaw cycles and 5–7 years of spring life; and Clearfield runs 85.1 freeze–thaw cycles and 5–7 years of spring life.

Against that backdrop, Kaysville holds 86 cycles at 4,429 ft with a 1991 median build year — the specific inputs behind every figure above.