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Mighty Buildings Windows & Doors: The Fort Lauderdale Owner’s Guide
If you own a Mighty Buildings home in Fort Lauderdale and a window or door has failed, here’s the short version: we stock and install Mighty Buildings-compatible windows and doors, and a typical replacement in this market runs $800 – $3,000 installed depending on size, glass package, and whether the frame needs rework. Most owners discover the problem the same way: a door that suddenly drags against the threshold after a heavy rain, a window that fogs between the panes, or a lock that no longer catches. We’re an independent service provider, not affiliated with Mighty Buildings, and we see these units regularly across Fort Lauderdale’s older Mighty communities. The good news is that the fix is usually straightforward once you identify the exact unit.

Which Mighty Buildings Models This Applies To

The Mighty Buildings panels and window/door openings we service in Fort Lauderdale fall into two general camps: the early prefabricated accessory dwelling units and the later single-family modular builds. The window and door rough openings on those units were manufactured to consistent panel dimensions, but here’s the compatibility gotcha: the actual window units were often sourced regionally, which means two identical Mighty floor plans built six months apart can have different window brands in the same opening. Before ordering anything, we measure the visible glass, the frame-to-frame width and height, and we check the corner label or etching for a manufacturer code. If the label is gone, we pull the interior trim to read the rough opening and match from there.
On the OEM-versus-aftermarket question: for most Mighty Buildings windows in Fort Lauderdale, a quality aftermarket replacement that meets Florida Building Code wind-load requirements is the better value. The OEM part is fine, but you’ll often wait longer and pay more for a unit that performs the same as a code-compliant equivalent from a recognized manufacturer. Doors are a different story. If the failed part is a pre-hung exterior door assembly with the original Mighty-spec jamb, we usually recommend repairing or replacing the slab and hardware rather than pulling the whole assembly, because the jamb is tied into the panel system and replacing it means disturbing the wall connection. We also keep KraftMaid, Cambria, and Silestone parts on hand for the interior finishes around Mighty openings, so if the trim, sill, or surrounding millwork took damage, we can match it in the same visit.
Styles & brands we work with







Signs Your Mighty Buildings Windows & Doors Is Failing
- Condensation or fog between the glass panes. The insulated glass unit (IGU) seal has failed, which means the argon or krypton gas has escaped and the window no longer insulates the way it should. In Fort Lauderdale’s humidity, this shows up as a haze that never wipes clean.
- The door drags or sticks at the top or bottom. The panel system around the rough opening has settled slightly, or the hinges have worn enough that the slab is out of square. This is common after a few years of Florida’s wet-dry cycles, when the framing around the opening swells and contracts.
- The lock or latch no longer catches cleanly. The strike plate has moved, the slab has sagged, or the multipoint hardware has a broken gear. Forcing it usually makes the misalignment worse and can damage the panel edge.
- Drafts or daylight visible around the frame. The weatherstripping has compressed or the caulk joint between the frame and the Mighty panel has dried and cracked. In a Fort Lauderdale summer, you’ll feel this as warm air leaking in around the edges.
- Water staining on the interior drywall below the window or door. The flashing or sill pan has failed, or the frame seal has opened up. This one needs prompt attention because moisture getting into the panel system will keep doing damage after every rain.
See the difference
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After
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After
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AfterReplacement Cost & What’s Included
A Mighty Buildings-compatible window replacement in Fort Lauderdale typically runs $800 – $2,400 per window installed, while a door replacement runs $1,200 – $3,000 installed. The range comes down to three things: the size of the unit, whether you need impact-rated glass or standard insulated glass, and whether the existing frame can be reused or must be rebuilt. A small fixed window with standard glass sits at the low end. A large sliding door with impact glass and a new sill pan sits at the high end. Every quote we give is a written number before any work starts, and it includes the part, the labor, the flashing, the interior trim touch-up, and haul-away of the old unit. If the repair fails inside our 365-Day Done Right Promise, we come back and fix it at no charge, with no service call fee. That’s in writing on every job.
For reference, a full window replacement in a Fort Lauderdale home runs $4,500 – $15,000 when you’re doing multiple units, and impact window installation runs $8,000 – $25,000 depending on count and opening size. A single failed unit is a much smaller number, and that’s the job most Mighty Buildings owners actually need.

DIY or Call Us?
There’s a narrow set of things an owner can safely check before calling: whether the weep holes along the bottom track are clear, whether the hinge screws are tight, whether the weatherstripping is still seated in its groove. Those are all fine to look at. Where DIY goes wrong is when someone tries to replace a sealed glass unit, re-square a door slab, or rebuild a flashing detail without the right tools and experience. The glass in these units is heavy, and a badly supported panel can break during handling. The bigger risk is a window or door that looks fixed but isn’t flashed correctly, which is how a $200 seal failure turns into a $4,000 wall repair. If you’re not sure what you’re looking at, call (754) 551-2922 and describe the symptom. We’ll tell you over the phone whether it’s a maintenance item or a replacement, and if it’s a replacement, we’ll give you a written number before we schedule anything.
FAQs

Expect 12 – 20 years from the insulated glass units and 15 – 25 years from the frames, but Fort Lauderdale’s salt air and humidity push most units to the lower end of that range. The seal between the glass panes is usually the first component to fail, and once it does, the window loses its insulating value even though it still opens and closes.
Yes, in many cases the glass unit alone can be replaced without touching the frame, which costs less and preserves the original panel connection. The frame only gets replaced when it’s cracked, rotted, or the hardware mounting points are stripped beyond reuse. Call (754) 551-2922 and describe what you’re seeing, and we’ll tell you which side of that line you’re on.
Most single-unit swaps take 3 – 5 hours on site, including the trim work and haul-away. We schedule the visit around a defined arrival window, so you’re not waiting around all day, and we leave the site cleaner than we found it.
We stock the common wear items and hardware for Mighty-spec openings in Fort Lauderdale: sashes, IGUs, multipoint locks, hinges, weatherstripping, and sill pans. If your unit needs something we don’t carry, we order it and give you the expected lead time before we schedule the install.
If your Mighty Buildings window or door has failed, call (754) 551-2922 and tell us what you’re seeing. We’ll give you a straight answer about whether it’s a repair or a replacement, what it costs, and when we can get to it. Tell me what you need, I’ll tell you what it costs – then we’ll get it done.
Written by Trevor Nash, Owner, Penhallow Remodeling Fort Lauderdale at Penhallow Remodeling Fort Lauderdale, serving Fort Lauderdale and nearby areas.


