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CGI Roof Replacement & Installation in Miami: What to Know First
CGI roof replacement and installation in Miami typically runs between $14,000 and $32,000 depending on roof size, pitch, and whether you’re using CGI’s impact-rated roofing systems or pairing CGI structural components with another roofing material. Most full replacements take 3 to 7 days once permits clear, and we quote fixed pricing with no change orders. This page is for CGI owners in Miami who want straight answers about replacement costs, failure patterns, and what a real independent crew does differently. Call (863) 862-5435 for a free estimate.
If you own a home in Miami with CGI products and your roof is reaching the end of its service life, this page covers what actually matters: how CGI components age in our salt-heavy air, what replacement really costs, and why the crew you pick matters more than the brand stamped on the material.
How CGI Roofing Components Fail - and How We Fix Them
- CGI Sentinel Series roof-to-wall flashing failures: In Miami’s wet season, we regularly see Sentinel Series flashing separate at the roof-to-wall transition on two-story Coral Gables and Pinecrest homes. The cause is almost always thermal cycling: Miami’s 90-degree attic heat expands the flashing, then afternoon thunderstorms cool it fast. Over 8 to 12 years, the sealant bond breaks down, water rides the seam, and you get staining along the fascia. Our fix is a full flashing replacement with mechanical fastening plus a marine-grade sealant rated for continuous submersion, not the fast-cure caulk most crews use.
- CGI StormPro ridge vent delamination: The adhesive layer on StormPro ridge vents starts to lift after roughly a decade of Miami UV exposure. Homeowners in Kendall and Palmetto Bay call us about “something flapping” during August wind gusts, and by then, water has usually started working under the vent. We strip the old vent, inspect the ridge sheathing for rot, and reinstall with a mechanically fastened vent system rather than relying on adhesive alone.
- CGI structural decking at impact-rated enclosures: When CGI windows and doors are installed in a Miami home, the surrounding roof decking carries more load than standard plywood is rated for. We’ve pulled back shingles in Cutler Bay and found decking deflection that no one noticed until the roof was being replaced. On CGI-heavy homes, we recommend upgraded decking thickness at any roof section that ties into an impact-rated opening. It’s a code nuance most roofers skip, and it’s why we walk every penetration before writing a quote.
- CGI skylight curb rot in salt-exposed homes: Homes within two miles of Biscayne Bay deal with salt spray that accelerates fastener corrosion on CGI skylight curbs. We’ve replaced curbs on Key Biscayne homes that looked fine from the ground but had fastener heads rusted to powder underneath the flashing. Our standard is stainless steel fasteners at every exterior connection on bayfront properties, even where code allows galvanized.
- CGI fascia integration at re-roof projects: When a home in Doral or Hialeah gets a new roof, the CGI fascia and eave line often doesn’t match the new material profile. We measure the reveal before ordering materials and custom-fabricate transition trim on site. Off-the-shelf trim leaves gaps, and in Miami, a quarter-inch gap at the eave is a highway for wind-driven rain during hurricane season.
Our CGI Roof Replacement & Installation Process
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Call and talk to a live person: You call (863) 862-5435, we answer. We schedule a walkthrough at your Miami home, usually within a day or two, always free inside our home county.
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Roof and CGI component inspection: We inspect the roofing surface, decking, flashing, and every place the roof ties into CGI windows, doors, or enclosures. We document everything in writing with photos, so you see what we see.
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Fixed-price written estimate: We give you a line-item quote that shows material, labor, permits, and disposal. The number on the quote is the number on the invoice. No change orders unless you ask us to add scope.
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Permit and material handling: We pull permits in Miami-Dade and schedule material delivery so your replacement moves without pauses. We store materials on site in a way that respects your property and your neighbors.
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Replacement and integration: We strip the old roof, repair or replace decking as needed, install the new system, and rebuild any CGI integration points like curbs, saddles, and flashing.
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Final inspection and walkthrough: We inspect our work, walk the site with you, clean everything, and register your warranty paperwork. If anything is not right, we fix it before we leave. That’s the 36500-Day Done Right Promise.
What CGI Roof Replacement & Installation Costs in Miami
Here’s what we see across Miami-Dade for CGI-related roof work, based on typical single-family homes:
- Full roof replacement with CGI integration points (2,000-2,500 sq ft): $14,000-$24,000
- CGI skylight curb replacement and re-flashing: $900-$1,800 per unit
- StormPro ridge vent replacement (50 linear feet): $1,200-$2,400
- Roof-to-wall flashing replacement at CGI Sentinel penetrations: $1,500-$3,200 per wall line
- Decking upgrade at impact-rated openings: $4-$7 per sq ft, added to the base quote
What moves the price: roof pitch, accessibility, the number of CGI penetrations, whether the decking needs replacement, and whether your home is in a coastal zone that requires enhanced fastening. Call (863) 862-5435 for an exact line-item quote. Estimates are free, and seniors and veterans save 10% permanently.
Why Miami Homeowners Call Winslow Windows & Doors for CGI Work
Ed Winslow founded this company in 2011 and his name is on the door - literally. When a Miami homeowner calls about a CGI roof issue, they’re not getting a dispatcher reading from a script. They’re getting a crew that has installed and repaired CGI products in Miami’s specific conditions for over a decade, alongside PGT, CWS, ES Windows, and ECO Window Systems, so we understand how these systems interact with the roof above them.
We answer calls 24/7 with a live person. Our technicians are background-checked and arrive in uniform. We publish our address and license number. And every job carries the 36500-Day Done Right Promise: if it’s not done right, we make it right. No fine print, no expiration, no ticket number. A neighbor you can call at 2 a.m. - and someone will actually answer.
FAQs
No. As an independent CGI service provider, we are not affiliated with the manufacturer, but our work follows the same installation standards the CGI warranty requires: mechanical fastening, proper sealant, and correct flashing geometry. We document every step so that if you have a warranty claim, you have everything the manufacturer asks for.
Yes. We source OEM CGI components through our regular supply relationships, and we’re straightforward about when a quality aftermarket part will perform identically for less money. On flashing and structural components, we always recommend OEM. On sealants and fasteners, we use marine-grade products rated beyond what the manufacturer specifies. Call (863) 862-5435 and we’ll tell you exactly which parts your job needs and why.
A typical full replacement takes 3 to 7 working days once permits are issued. Miami-Dade permit review varies by season and permit volume, so we can’t promise exact calendar dates until the permit clears. What we can promise is that the crew shows up when we say they will and works until the job is done.
No. The price we quote is the price you pay. If we find hidden decking damage or unexpected conditions, we stop work, show you what we found, and give you a written change order before any additional work happens. You approve every dollar before we spend it.
Yes. We pull the permit as part of the job, and we schedule the inspection. We don’t leave the site until the job passes. Call (863) 862-5435 for a free estimate, or if you have a written estimate from another Miami roofer, bring it to us for a free second opinion.
Written by Ed Winslow, Owner, Winslow Windows & Doors at Winslow Windows & Doors, serving Miami and nearby areas.
Six Reasons Homeowners Choose Winslow Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.










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