What Is on the Truck
Crestline's housing stock centers on 1966, which puts most garages a decade or more ahead of the metal roll-up doors common in newer San Bernardino tracts but well behind anything with a polymer thermal break. What you've got on a lot of these houses is a single-layer steel or wood-composite door, often on a single-car opening, hung on hardware sized for a lighter panel than what gets sold today. That matters because a replacement torsion spring or an extension cable off a current parts shelf isn't always a drop-in match for a door built to 1966 dimensions. We carry a spread of spring sizes and both extension and torsion cable in different gauges specifically because we can't predict which era of hardware we'll find until we're standing in front of it. What we don't carry is obsolete wood-track rollers - if your door still runs on wood jamb tracks rather than steel, that's a parts-order job, not a same-visit fix, and we'll tell you that on-site rather than string you along.
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