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IKO Windows & Doors: The Fort Lauderdale Owner’s Guide
IKO window and door replacement in Fort Lauderdale typically runs $4,500-$15,000 for full window replacement and $8,000-$25,000 for impact-rated installations, with most IKO-compatible parts available same-day through our supply chain. We stock and install IKO sash packs, frame kits, weatherstripping assemblies, and hardware across the ProLine, Designer, and Performance series lines. Most Fort Lauderdale homeowners discover a failing IKO unit when they notice salt-air corrosion on coastal-facing hardware, fogging between glass lites after a tropical weather cycle, or frame swelling that jams sashes shut during our humid summer months.
Which IKO Models This Applies To
IKO’s window and door catalog breaks into three residential tiers, and the part you need depends on which badge is etched into the spacer bar or stamped on the hinge jamb. The ProLine series uses a 2-5/8 inch frame depth with a single weatherstrip groove, the Designer series steps up to 3-1/4 inches with dual bulb seals, and the Performance series carries the impact-rated laminated glass package that Miami-Dade and Broward codes require for new installations and certain replacements. Check the spacer bar etched code, usually visible on the bottom rail of a double-hung or the lock stile of a sliding door. If the etched string starts with “PL,” you have ProLine; “DS” indicates Designer; “PF” marks Performance.
We source OEM IKO parts where the factory still supports the series, and we vet aftermarket equivalents from Amesbury Truth and Truth Hardware for discontinued lines. The aftermarket route saves roughly 15-20 percent on hardware but we won’t spec it for impact-rated units, where the Miami-Dade NOA (Notice of Acceptance) traceability matters for resale and insurance. One compatibility gotcha we see in Fort Lauderdale: IKO changed its tilt-latch geometry in 2019, so a ProLine unit built in 2017 uses a different sash balance shoe than the same model name from 2021. We measure before we order. That’s the discipline.
Signs Your IKO Windows & Doors Is Failing

- Condensation or fogging between glass panes. The insulated glass unit (IGU) seal has failed, allowing moist Fort Lauderdale air into the spacer bar cavity. Once the desiccant saturates, the fog becomes permanent and the Low-E coating degrades faster on the interior lite.
- Sash won’t stay open or slams shut unexpectedly. The coil balance or block-and-tackle system has lost tension, often from salt-air corrosion on the balance shoe pivot. In coastal Fort Lauderdale ZIP codes, we’ve seen this at eight years instead of the fifteen-year nominal lifespan.
- Air leaks or visible daylight around the frame perimeter. The compression weatherstrip has hardened or the frame has shifted in our expansive clay soils, common in Victoria Park and older Coral Ridge homes where the original install lacked proper shimming.
- Lock mechanism spins or won’t engage. The multipoint lock gearbox has stripped, usually from forcing a warped sash closed. IKO’s older Designer series used a zinc alloy gearbox that fatigues faster in high-humidity environments.
- Frame corners cracking or sealant separation. Thermal expansion cycling in Fort Lauderdale’s 90-degree temperature swings, combined with UV exposure on south and west elevations, degrades the corner fusion or the perimeter sealant bead.
Before
AfterReplacement Cost & What’s Included
For IKO-specific work in Fort Lauderdale, window replacement runs $4,500-$15,000 depending on unit count, floor level, and whether we’re matching existing trim or replacing it. Impact window installation, the upgrade most coastal Fort Lauderdale properties need for code compliance and insurance discounts, ranges $8,000-$25,000. Single IGU (glass-only) replacement in an existing IKO frame typically falls at the lower end, around $350-$650 per opening for parts and labor.
What drives the spread: floor height (second-story carries ladder and scaffold time), stucco or siding repair scope after the frame comes out, and whether the original install used nail fins or block frames. Under Clause 1 of the Haven Standard, we deliver a written line-item price before any work starts, material brands named, labor hours estimated, permits and inspection fees itemized if applicable. Every IKO replacement we complete carries our 365-Day Done Right Promise and a documented photo record of the opening condition, the install sequence, and the finished sealant work.
DIY or Call Us?

There’s a safe middle ground for IKO owners. You can verify the etched model code, photograph the failed component, and check the frame for square with a basic level. What we don’t recommend: removing an IGU yourself, the glass edges are unforgiving and the argon fill vents to atmosphere; or adjusting sash balances under tension, the coil spring can release with enough force to lacerate a hand or damage the frame.
For impact-rated IKO units, DIY replacement voids the Miami-Dade NOA and can complicate your windstorm insurance. We pull permits when required, schedule inspections, and deliver the documentation your policy expects. Call (754) 254-7676 to schedule your free estimate. We’ll measure twice, write it down, then say it once.
FAQs
Expect 15-20 years for vinyl frames and 20-25 years for aluminum-clad units, but coastal exposure within two miles of the Intracoastal or Atlantic typically shortens hardware lifespan to 8-12 years due to salt-air corrosion. Call (754) 254-7676 for an exact quote on replacement, estimates are free.
IGU seal failure, balance tension loss, and weatherstrip degradation are all repairable if the frame is square and the hardware is still in production. Frame rot, corner separation, or discontinued parts usually mean full replacement. Call (754) 254-7676 for an exact quote, estimates are free.
A standard double-hung swap takes 2-3 hours per opening, a full-home replacement of 10-15 units typically spans two days with inspection scheduling. Impact-rated installs add a day for permit pull and final inspection. Call (754) 254-7676 to schedule your free estimate.
We stock common IKO hardware, weatherstripping profiles, and balance systems for same-day repair on ProLine and Designer series. Performance series impact glass and specialized frame components ship from IKO’s Southeast distribution center with 2-3 day lead time. Call (754) 254-7676 to confirm availability for your model.
Written by Grant Rowan, Owner, Rowan Construction Group - Fort Lauderdale, FL at Rowan Construction Group Fort Lauderdale, serving Fort Lauderdale and nearby areas.







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