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James Hardie Roofing: The Fort Lauderdale Owner’s Guide
James Hardie roofing in Fort Lauderdale is usually soffit, fascia, trim board, or HardiePlank lap siding used along roof eaves and gables – not the shingles themselves. When that material fails from Florida humidity, salt air, or storm-driven water, we stock and install compatible replacement boards, usually for $400 to $1,800 depending on the run length and access. Most Fort Lauderdale homeowners discover the problem when paint blisters at the soffit edge, a fascia board feels soft to the touch, or they spot a dark water stain creeping down an exterior wall after a hard rain.
This page covers what actually fails on James Hardie roofing applications in Fort Lauderdale, what it costs to replace, and how we handle the work. If you already know you need a board replaced, call (754) 354-3720 and we’ll schedule a look – the estimate is free and in writing.
Which James Hardie Models This Applies To
If your Fort Lauderdale home was built or re-roofed in the last twenty years, you’re likely dealing with HardiePlank lap siding (5/16″ thick, 8-1/4″ wide), HardieSoffit panels (1/4″ thick, vented or non-vented), or HardieTrim boards (3/4″ thick, available in 4/4 and 5/4 profiles). Each has different fastening requirements and cut tolerances. A soffit panel is not interchangeable with a trim board, even though both are fiber cement and look similar from the ground.
The compatibility gotcha most people miss: James Hardie changed their edge profile on HardieSoffit panels around 2016. Older panels have a square edge; newer stock in Fort Lauderdale supply yards tends to be the revised profile with a slight bevel. If your home has a 2012 build and you buy a 2024 panel, the seams won’t line up flush. We pull the original board and measure before ordering. For OEM versus aftermarket: we install genuine James Hardie fiber cement for any repair tied to the roof eave system, because the expansion rates and paint adhesion are consistent with what’s already on the house. Aftermarket cement board looks close on a warehouse shelf and fails early in South Florida’s wet-dry cycle.
Styles & brands we work with
Signs Your James Hardie Roofing Is Failing
- Paint blistering or peeling at the soffit edge. Moisture is wicking into the fiber cement from behind, usually because the roof edge flashing was never properly lapped over the soffit. Once paint delaminates, the board starts absorbing water and swelling.
- A fascia board that feels soft or spongy when pressed. Fiber cement doesn’t rot like wood, but it does crumble and lose structural integrity after years of salt-saturated air and standing water. A soft fascia is a board that has already failed and needs replacement before it lets the gutter pull away.
- Dark water stains running down exterior walls below the roof line. Water is getting behind the trim or soffit and finding a path downward. By the time you see the stain inside, it’s been leaking for a while.
- Visible cracks or missing corner chunks on trim boards. Fort Lauderdale’s afternoon storms and occasional hurricane-force gusts flex roof eaves more than people realize. Fiber cement handles flex poorly compared to wood – it cracks instead of bending. A cracked trim board is an open seam for wind-driven rain.
- Gaps opening at miters or butt joints where trim meets trim. Expansion and contraction from Florida heat cycles work those joints loose. A 1/8″ gap at a miter lets water run straight into the eave cavity every time it rains.
See the difference
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AfterReplacement Cost & What’s Included
For James Hardie roofing repairs in Fort Lauderdale, expect to pay $400 to $1,800 for most soffit, fascia, or trim board replacements. The spread comes down to how many linear feet need to come out, whether we’re on a ladder or need scaffolding at a two-story eave, and how much demo is involved. A single 12-foot fascia board on a one-story ranch is toward the low end. A 40-foot soffit run with damaged framing behind it pushes toward the high end.
Every quote includes the fiber cement boards, color-matched paint for the finish coat, removal and disposal of the old material, and a written price before we start. We don’t do verbal ballparks that grow on the final bill. The workmanship warranty runs 365 days from the completion date – if anything we installed or painted fails in that window, we come back and fix it at no charge. Isaac Pruett signs off on the quote himself, and he’s been doing this work across Fort Lauderdale long enough to know what a salt-air soffit looks like after ten years.
DIY or Call Us?
You can safely check a few things from the ground: look for the paint blistering, the sagging gutter, the gap at the miter joint. That’s diagnosis, and it doesn’t require a ladder. Replacing the board is a different story. James Hardie fiber cement is heavy – a 12-foot HardieTrim board runs about 30 pounds – and it’s brittle. You can’t just drop it or carry it like lumber. Cutting it produces silica dust that requires a proper respirator, not a dust mask from the hardware store. And if the board you’re removing is load-adjacent – meaning it’s supporting any part of the gutter or eave edge – pulling it wrong will take the gutter and a section of roof edge with it.
Every crew member we send to a Fort Lauderdale home is background-checked, identity-verified, and arrives in a clean marked uniform with a photo ID badge. You’ll get the technician’s name and photo before the visit. We tell you what we found, what it takes to fix it, and what it will cost – before we touch a thing. If you’re still deciding, call (754) 354-3720 and we’ll talk through what you’re seeing. No pressure, just facts.
FAQs
James Hardie fiber cement used as soffit and fascia typically lasts 15 to 25 years in Fort Lauderdale’s climate, which is 30 to 40 percent shorter than the same material in a drier region because salt air and relentless humidity speed up moisture intrusion at cut edges and fastener points. Paint failure usually shows up first, around year 7 to 10, and needs repainting with a quality exterior acrylic before the board itself starts degrading. If your boards are at year 15 and showing multiple failure signs, replacement is usually cheaper than chasing repairs. Call (754) 354-3720 and we’ll give you an honest assessment.
Small cracks and nail pops can sometimes be patched with a fiber-cement-compatible filler and repainted, but any board with soft spots, crumbling edges, or water staining behind it needs full replacement – patching a board that’s already absorbed water just seals the moisture inside. In Fort Lauderdale, a patched board on a roof eave typically fails again within 12 to 18 months because the moisture cycle keeps working it. We’ll tell you which category your damage falls into during the estimate.
Most single-board soffit or fascia replacements in Fort Lauderdale take 3 to 5 hours including demo, installation, caulking, and the finish coat. A full eave rebuild with multiple boards and framing repair can run 1 to 2 days. We work around your schedule and leave the job site clean – no fiber cement dust or off-cut pieces left behind.
We stock common HardiePlank lap siding, HardieSoffit panels, and HardieTrim boards in our Fort Lauderdale vehicles, but we always confirm the exact profile and thickness on your home before we show up to install – the 2016 soffit edge change means guessing wrong wastes your time and money. For unusual profiles or long runs, we order from area James Hardie suppliers with next-day availability in most cases. We also stock parts for KraftMaid, Cambria, and Silestone products when roofing work ties into exterior kitchen or outdoor living spaces. Call (754) 354-3720 to check stock on your specific board.
Written by Isaac Pruett, Owner, Mason Remodeling Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.
