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GAF Ridge Vent Installation: The Fort Lauderdale Owner’s Guide
GAF ridge vent installation in Fort Lauderdale typically runs $18 to $28 per linear foot installed, which puts most single-family homes between $650 and $1,450 all-in. We stock GAF-compatible SnowCountry and Cobra ridge vent materials on our trucks, and most installations take one visit. The way homeowners usually find out their ridge vent has failed is subtle: a musty smell that won’t leave the attic, a spike in the August electric bill, or granules and bits of broken plastic in the gutters after a hard storm.
Key Takeaways
- Installed cost: $18 – $28 per linear foot, including materials, labor, and disposal of the old vent
- GAF ridge vents typically last 12 – 18 years in coastal Florida sun and salt air, not the 20-plus years you’d see further north
- We carry GAF OEM and compatible aftermarket options, and we’ll write the exact price before any work starts
- Every installation is covered by our written 365-Day Done Right Promise
Which GAF Models This Applies To
We install and replace two GAF ridge vent lines most often in Fort Lauderdale: the Cobra series (Cobra Ridge Runner, Cobra SnowCountry, Cobra Exhaust Vent) and the GAF SnowCountry Advanced. If you’re not sure which one is on your roof, look at the ridge cap from the ground after a rain. SnowCountry vents have a visible external baffle profile that sits higher off the shingle line. Cobra vents hug the ridge line tighter. You can also check the attic side: the GAF part number is printed on the underside of most vent sections, usually starting with “GAF” followed by six digits.
One Fort Lauderdale-specific compatibility note: if your home was built between 1998 and 2005 in neighborhoods like Victoria Park, Sailboat Bend, or Poinsettia Heights, there’s a good chance the original ridge vent was nailed directly over the peak without a properly cut slot. We see this on GAF roofs from that era all the time. The vent cap looks fine from the street, but underneath there’s barely a one-inch gap for air to actually escape. In those cases, we recut the slot to GAF’s specified width before installing the new vent. That’s the difference between a part swap and an actual fix.
Mercer Roofing Co Fort Lauderdale is an independent roofing contractor. We install products manufactured by GAF, but we’re not affiliated with GAF or its distributors.
Styles & brands we work with






Signs Your GAF Ridge Vent Installation Is Failing
- Black staining or mold on the underside of your roof decking, visible from the attic. This means the vent isn’t exhausting moist air anymore, and South Florida humidity is doing exactly what it does best. The vent’s internal baffle channels are likely clogged or the plastic has warped shut.
- Granules collecting in the gutters at the ridge line, specifically. Ridge shingles degrade faster when trapped heat can’t escape, and those granules are the evidence. The vent underneath may be cracking from UV exposure, a 12-to-15-year reality in our sun.
- Attic temperatures consistently above 130 degrees in summer. Our Florida heat loads are brutal, and once a ridge vent stops moving air, the attic becomes an oven. This is most apparent in ranch-style homes throughout Fort Lauderdale where ridge vent is the only exhaust ventilation.
- You can see light through the ridge vent from inside the attic in the wrong places, or water stains below the ridge after storms. Cracked or dislodged vent sections let driving rain in during our summer squalls. The plastic gets brittle from salt air, then a wind gust finishes the job.
- Visible gaps or separations between vent sections, seen from the ground or a ladder at the gable end. Heat expansion and contraction works the sections apart over years. Once separated, the vent loses its continuous airflow channel and does very little.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
In Fort Lauderdale, expect to pay between $18 and $28 per linear foot for a complete GAF ridge vent replacement, which covers removing the old vent and ridge cap shingles, recutting or verifying the ventilation slot, installing the new GAF vent with proper length fasteners, installing new ridge cap shingles, and hauling away everything we tear off. Homes in older neighborhoods like Rio Vista or Riverside Park tend to run on the higher end of the range because the roof decking often needs extra prep around the ridge line.
What drives the price: the condition of your existing ridge cap shingles, whether the original slot was cut to GAF spec, and the linear footage of your peak. A simple split-level with 45 feet of ridge runs around $1,000. A large two-story with 80 feet of ridge and a hip break runs closer to $1,700.
We give you a written line-item price before we pick up a tool, and that number doesn’t change. If we open up the ridge and find decking rot under the vent, we’ll show you, explain it, and price the fix separately with your approval. Every GAF ridge vent installation is covered by our written 365-Day Done Right Promise: if it isn’t right within a year, we make it right at no charge. Grant Whitlock, who owns Mercer Roofing Co Fort Lauderdale, built the rep on being straight with people about what their roof actually needs. We don’t pad. We don’t upsell. We just tell you what’s above your head and write it down.
DIY or Call Us?
Ridge vent installation is roof work, plain and simple. You’re at the highest point of the house, working on a sloped surface, often in our late-afternoon heat. For most Fort Lauderdale homeowners, that’s not a weekend project. That said, here’s what you can safely check yourself: from the ground or a stable ladder at the gable, look for cracked plastic, separated sections, or lifting ridge shingles. From inside the attic, look for daylight patterns along the peak that seem inconsistent, and check for water staining on the decking below the ridge.
What you shouldn’t do is get up on the ridge line with a nail gun. We’ve repaired more than one DIY ridge vent job where the wrong fastener length punctured through the decking, or the slot was cut too wide and let wind-driven rain in during the first storm. GAF specs exist for a reason. If you want someone else on that ridge, call us at (754) 354-1224 and we’ll come take a look, write up a price, and tell you honestly whether the vent can wait or needs replacing now.
FAQs
Most GAF ridge vents in our coastal climate last 12 to 18 years before the plastic gets brittle from UV and salt air. That’s shorter than inland Florida. If your vent is over 15 years old and you’re seeing granule loss at the ridge, it’s probably time to plan the swap.
In limited cases, yes. If one section has separated or a single baffle is cracked, we can sometimes reseat or patch it. But if the vent material is brittle across multiple sections, repair is a losing game, and we’ll tell you that. Call (754) 354-1224 for an honest assessment before you spend money either way.
Most Fort Lauderdale ridge vent replacements are done in one day, usually 4 to 7 hours depending on the linear feet of ridge and the condition of the existing shingles. We’ll set that expectation in writing when we give you the quote.
We stock GAF Cobra and SnowCountry ridge vent sections on our trucks, and we can get OEM GAF-specific replacement parts for less common installations within a few days. We also stock compatible ridge vent options from Owens Corning and CertainTeed, so if a GAF part is backordered we can usually keep your project moving.
For a free, no-pressure estimate on GAF ridge vent installation in Fort Lauderdale, call Mercer Roofing Co Fort Lauderdale at (754) 354-1224. You’ll get a written price before any work starts, a live person on the phone, and a technician whose name and photo we send you before they ever knock on your door.
Written by Grant Whitlock, Owner, Mercer Roofing Co Fort Lauderdale at Mercer Roofing Co Fort Lauderdale, serving Fort Lauderdale and nearby areas.