Panel Replacement for Merrimack's 1980s Steel Sectional Doors

The DIY Question

Merrimack's housing mostly went up around 1984, and the garage doors that came with those houses are steel sectional units, raised-panel, built in 7-foot-tall sections, with the 16-foot double opening being the common width for a two-car garage of that period. Most of them are a single layer of steel with no insulation sandwiched in, which is actually what makes panel swaps on these doors more straightforward than on a newer insulated door - there's no foam core to deal with, no second skin to peel back.

That said, straightforward isn't the same as easy. A dented or rusted-through panel on a double door usually isn't a standalone piece - sectional doors from this era were built with panels sized to match the rest of the door run, and getting a replacement that lines up with the existing roller holes and hinge spacing takes some matching. If your door is a double 16-footer, you're also moving more steel than one person should lift alone, and a torsion spring under load sitting a few feet away doesn't forgive mistakes. We'll tell you straight if a job is a bolt-and-swap or something that needs two sets of hands and the right clamps. Not every panel job is a half-day fix, and we won't pretend it is just to get the call.

What we won't do is talk you into full door replacement when one bad panel is the actual problem - that's a bigger bill for no reason.

How to Book

We run out of Nashua, about 7 miles from Merrimack, so there's no local branch or depot here - every job is a truck that drives out for your appointment, same as it would to any town in the service area. We don't quote a response time for Merrimack specifically, since that depends on the day's schedule out of Nashua, not on anything particular to this town.

The easiest way to get a panel job looked at is to send a photo of the damaged section along with the door's rough age or a shot of the full door - for a 1984-era house that's usually enough for us to guess the panel height and door width before we ever load the truck, which saves a second trip if the match turns out to be unusual. You can see what else we cover around Merrimack on our area page, and if your issue turns out to be bigger than one panel - a bowed track, a dead opener - that's handled on our broader Nashua service page rather than here.

We book by phone or through the request form linked below; either way, have the door's width and whether it's insulated or a plain steel skin ready, since that's the first thing we ask.

Stocked Parts

For a town built mostly through the 1980s and 90s, the panel sizes we see most are the standard 7-foot sectional heights in steel, matched to 8-foot or 16-foot door widths - single garages and the double two-car openings that came standard with that era's construction. We carry steel raised-panel sections in the common widths to match these, along with the matching end stiles, hinges, and roller brackets that a door of this age typically takes.

What we're less likely to have on the truck without checking first is anything custom - a panel for a door that's been resized, a non-standard color match, or hardware off a door that's already been part-swapped by a previous owner. Given that the climate here runs cold with real winter severity, steel is still the right call for most of these replacements; it holds up better than wood under repeated freeze-thaw cycling, which matters more than it sounds like it does once a panel's been patched once already.

If a specific panel profile isn't something we stock, we'll say so up front rather than showing up and guessing. Lead times on an unusual match can run longer than a standard swap, and we'd rather tell you that on the phone.

What You Pay

We don't have a fixed number to quote here for Merrimack - panel cost depends on how many sections are damaged, whether the door is insulated, and whether the hardware underneath needs anything beyond a straight swap. What we can say is that the math tends to work differently depending on household budget expectations, and Merrimack's median household income runs well above the wider Nashua-area figure, which is part of why full double-door replacement sometimes gets chosen here even when a panel repair would have done the job - it's worth asking us directly which makes more sense for your door before committing either way.

We'll always give you the repair-versus-replace math before we start cutting anything loose, and if a panel-only fix isn't worth doing - say, the rest of the door's steel is thinning out from age - we'll tell you that instead of doing a patch job that won't hold.

Frequently asked questions