Rural Hill's housing stock centers on 1988, a notch earlier than the 1992 median across the broader service area. That half-generation gap matters at the hardware level. Doors from that build window were commonly hung on extension springs rather than torsion bars, with lighter-gauge steel panels than anything sold today. Extension springs age differently - they don't give the same warning signs a torsion spring does before they let go, and the safety cables that are supposed to catch a broken spring are often missing or never retrofitted on these older setups. Add the cold-moderate climate swings this part of Tennessee gets - freeze-thaw cycles that stiffen lubricant and swell wood jambs - and you get a specific failure pattern: doors that worked fine in October and bind, drop, or jump track by January. This isn't a universal garage door problem. It's what happens when 1980s hardware meets a real winter, year after year, without anyone swapping the galvanized rollers or re-tensioning the springs in between.