The houses going up around Branford in the 1960s and 70s mostly got single-layer steel or wood doors with no insulation, because that's what the era built. Fifty years later those panels are the ones warping, rusting at the bottom seam, or pulling away from their hardware - not from one bad storm, but from decades of a cold-severe climate band working moisture into steel that was never rated for it. Non-insulated doors from that build era also tend to run undersized torsion springs by today's standards, so when a homeowner finally replaces the door, the spring and drum often need upsizing too, not just swapping like-for-like. We see this pattern across the whole stretch of towns built in that same 1954-1986 window, and Branford's housing stock sits right in the middle of it. One limitation worth saying plainly: if your opening was framed slightly out of square back then - which happens - a brand-new door won't seal evenly against it until the framing itself is corrected, and that's carpentry, not a door swap.