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James Hardie Windows & Doors: The Fort Lauderdale Owner’s Guide
James Hardie windows and doors in Fort Lauderdale typically run between $4,500 and $15,000 installed, with most homeowners landing around $8,000 to $12,000 depending on size, configuration, and whether we’re doing a single unit or a full opening. We stock the common James Hardie trim, flashing, and mounting components on our trucks, and we can usually have specialty pieces in hand within three to five business days. Most owners discover a problem when the door starts dragging, a window gets foggy between the panes, or water shows up on the interior sill after a heavy summer storm.
You might notice it as a window that won’t stay up without a prop, a door that suddenly needs a hip-check to close, or caulk that’s cracking and peeling away from the frame. In Fort Lauderdale’s salt air and humidity, the seals and weatherstripping around James Hardie installations take a beating, and once one fails, the rest of the assembly starts working harder than it should. We tell you what we found, what it takes to fix it, and what it will cost, before we touch a thing.
Which James Hardie Models This Applies To

James Hardie doesn’t manufacture the window or door slab itself. They make the fiber cement siding, trim boards, and the integrated flashing systems that surround and seal the opening. So when we’re called out for a “James Hardie window” in Fort Lauderdale, we’re almost always dealing with two things at once: the window or door unit sitting in the rough opening, and the Hardie trim and flashing that wraps it.
The compatibility gotcha most homeowners miss is this: HardieTrim boards come in specific reveal dimensions (usually 5/4″ and 4/4″ thicknesses, with 4″, 5″, and 6″ widths being the workhorses), and if a previous installer used the wrong reveal or skipped the gap clearance at butt joints, the trim swells and pushes against the window frame. That’s a fix we see all the time in Victoria Park and Rio Vista, where original 1950s openings were later wrapped with Hardie without proper expansion clearance. The other checkable specific: Hardie installation specs call for a minimum 1/8″ gap between trim ends and a 2″ clearance from finished grade to the bottom edge of the siding. Skip either one, and the board wicks moisture like a sponge.
On the OEM-versus-aftermarket question: for the actual window or door slab, we prefer manufacturer-matched replacements when the original brand is still available, because the nailing fin and jamb depth have to line up with whatever Hardie trim profile is already in place. For the trim and flashing itself, genuine James Hardie product is the only thing we’ll put back. Aftermarket fiber cement boards don’t carry the same warranty and they don’t match the existing color and texture once they weather.
Styles & brands we work with







Signs Your James Hardie Windows & Doors Are Failing
- Caulk peeling or separating at the trim-to-frame joint. This is the earliest and most common symptom in Fort Lauderdale. The UV and salt exposure breaks down the adhesive bond, and once water gets behind the trim, the rot clock starts.
- Fogging or condensation trapped between double panes. That means the insulated glass seal has failed. You can’t fix it by cleaning; the sash or the glass pack needs replacement.
- Door dragging or sticking at the top corner. Usually a hinge or frame alignment issue, but often worsened by Hardie trim that has swelled and is pressing against the jamb on the lock side.
- Visible swelling, cracking, or softness at the bottom edge of the trim boards. This is a moisture-wicking failure from missing or worn kick-out flashing. In Fort Lauderdale’s wet season, this accelerates fast.
- Water staining on interior drywall below the window, even after light rain. The flashing behind the Hardie trim has failed, and water is now running inside the wall cavity, not just down the face of the siding.
If you’re seeing any one of these, the fix usually costs less than waiting for the next heavy rain cycle. The sooner we catch a failing seal or a swelling trim board, the less wall surgery is involved.
See the difference
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After
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AfterReplacement Cost & What’s Included

Here’s what owners in Fort Lauderdale can expect on installed James Hardie window and door work:
- Single window replacement with new Hardie trim and flashing: $1,200 to $3,500 installed depending on size, glass package, and whether the interior casing has to be rebuilt.
- Full window replacement project (8 to 12 windows): $4,500 to $15,000 installed, including Hardie trim, flashing, and interior casing repair where needed.
- Entry door replacement with new Hardie surround: $2,800 to $6,500 depending on door material, glass inserts, and the condition of the existing framing.
- Impact-rated window or door replacement: $800 to $25,000 for full projects; Impact-rated units run higher on materials, and Fort Lauderdale code requires them in most exterior openings. We pull permits, schedule inspections, and confirm compliance before we sign off.
Every bid includes the part, labor, new flashing and trim as required, haul-away of the old unit, and a written price before any work starts. The workmanship is covered for 365 days from the completion date under our 365-Day Done Right Promise. If it’s not right within that year, we make it right at no cost to you.
What drives the price up in Fort Lauderdale specifically: second-story access, impact glass requirements, discovered water damage behind the old trim, and openings where the original framing has shifted and needs correction before the new unit goes in. We write all of that in the estimate, line by line, so there are no surprises on the final bill.
DIY or Call Us?
The safe DIY check is simple: look at your trim boards and caulk lines. If you can see gaps, peeling, or swelling, you’ve found the problem. Cleaning a track, tightening a hinge screw, or adding a temporary weatherstrip is fine. What we’d stop you from doing yourself is pulling the trim to “take a look” behind it. Once the flashing is exposed and the old board is off, there’s no going back without new flashing, new trim, and often a new window seal, and if you get the gap clearances wrong on the reinstall, you’ve created the exact moisture problem we’re paid to fix.
There’s no high-tension danger here like a garage-door spring. But there is a very real danger of opening a wall cavity to Fort Lauderdale humidity and not closing it correctly. Water intrusion behind Hardie siding is a slow, quiet failure that shows up months later as a musty smell or a soft patch of drywall. We’d rather you call us at (754) 354-3720 and let us assess it before you break the seal on anything structural.
FAQs

The Hardie trim and flashing around a properly installed window or door can last 30 to 50 years, even in Florida’s climate. The window or door slab inside that trim typically lasts 15 to 25 years, depending on the glass package, the brand, and how well the surrounding flashing has kept water out. If your Hardie trim is failing early, it’s almost always a clearance or flashing error from the original install, not a product defect. Call (754) 354-3720 and we can tell you which scenario you’re dealing with.
Yes, in many cases the fix is simpler than a full replacement. If the sash is still solid and only the glass seal has failed, we can replace the insulated glass unit. If the trim is the problem, we can remove and re-install the Hardie boards with proper clearance and fresh flashing. Full replacement is only necessary when the frame is rotted, warped, or the unit is beyond its service life. Call (754) 354-3720 for an assessment; estimates are free.
A single window or door replacement usually takes one day from start to finish, including trim, flashing, and haul-away. A full-house window project of eight to twelve units typically runs three to five working days. If we discover hidden water damage or framing repairs once the old unit is out, we’ll show you what we found and give you a written addendum before we continue.
We keep common James Hardie trim profiles, flashing, and sealants on the truck for most Fort Lauderdale service calls. Specialty pieces, custom colors, and impact-rated window units are ordered from our suppliers and typically arrive within three to five business days. We also stock parts and coordinate service for kitchen and bath brands like KraftMaid, Cambria, and Silestone for our remodeling clients. Call (754) 354-3720 and we can confirm what’s in stock for your specific setup before scheduling.
Written by Isaac Pruett, Owner, Mason Remodeling Co Fort Lauderdale at Mason Remodeling Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.


