Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Therma-Tru Roof Replacement & Installation in Miami: What to Know First
Therma-Tru roof replacement and installation in Miami is a service we handle start to finish: inspection, tear-off, decking repair, underlayment, and full installation with the right ventilation for our humidity. Most full replacements on the standard single-family Miami home run two to three working days, and we don’t surprise you on the invoice, because Ed Winslow’s name is on the door, literally. If you own a home with a Therma-Tru roof system or components and want a straight answer about what’s failing and what it’ll cost, you’ve found the right page. Call (863) 862-5435 and a live person picks up, day or night.
This page is for Miami homeowners who already know the Therma-Tru name and want a contractor who treats it as more than a commodity tear-off. We’re an independent Therma-Tru service provider, not a factory arm, so our recommendations are built on what actually fails here in South Florida, not a corporate sales sheet. Whoever you call, make sure they’ve worked on these systems before. We have.
Key Takeaways
- Therma-Tru roof replacement in Miami is handled by Winslow Windows & Doors: tear-off, decking, underlayment, installation, and ventilation in one contract.
- Most single-family Miami replacements run two to three working days, weather permitting.
- We do not do vague estimates. Upfront pricing. No surprises on the invoice.
- Call (863) 862-5435. A live person answers. That’s the Winslow way.
How Therma-Tru Products Fail, and How We Fix Them
Therma-Tru is far better known for doors, but there’s a line of Therma-Tru roof components and related systems out there, especially in neighborhoods like Kendall, Cutler Bay, and Westchester, where homes went up quick in the late 90s and early 2000s. Here’s what we actually see when we get on a Therma-Tru roof in Miami, the real failure modes, not the brochure list.
- Flashing failures at penetration points on Therma-Tru entry systems. This is the one nobody tells you about. Therma-Tru door and frame systems are notorious for leaking at the head flashing when the cap flashing isn’t stepped correctly into the roof deck. We’ve seen water stains on interior ceilings in Kendall traced right back to a Therma-Tru door unit flashed with generic aluminum instead of a proper stepped copper or high-temp modified system. The fix is a full roof-to-wall flashing rebuild around the door, done to Miami-Dade code, not a tube of caulk.
- Improper ventilation leading to premature decking rot under Therma-Tru skylight curbs. Miami’s humidity punishes poorly vented attics. Therma-Tru skylight curbs of that era often sit directly on the decking without a proper water block, and the trapped moisture from daytime heat cycles rots the OSB underneath. We’ve replaced decking in East Little Havana where the only clue was a faint musty smell in the hallway closet. The fix: full curb re-flash with bituminous membrane and a real vent path.
- Therma-Tru roof dormer and architectural feature deck failures. If your home has Therma-Tru integrated dormers or eyebrow features, the lower apron flashing tends to wrinkle under thermal cycling, and once it lifts, water walks right in. We see it in Coconut Grove constantly, where shade and moss keep the area damp. The fix is tearing back the lower course, replacing the step flashing, and re-bedding the whole feature in modified bitumen, not just patching the visible gap.
- Generic aftermarket boots on Therma-Tru vent stacks failing early. The original collars on many Therma-Tru roof ventilation units were EPDM rubber. When a previous roofer replaces them with cheap PVC collars, the UV in Miami daylight eats them in eighteen months. We install reinforced silicone or EPDM collars rated for high UV, and we bed them in roofing cement. Same stack, twice the life.
- Valley metal corrosion accelerated by salt air near Biscayne Bay. Brickell, Edgewater, anywhere east of 95, you’ve got airborne salt eating at exposed valley metal. On Therma-Tru system roofs the original valleys were often galvanized, not aluminum, and once the zinc erodes, rust bleeds through the shingles. The fix is replacing the valley with aluminum or copper, and if the roof is near the end of its age, a full replacement makes more sense than chasing rust spots. We’ll tell you straight which one makes sense, because we don’t get paid more for a tear-off than we do for a patch. We get paid to do the job once.
Our Therma-Tru Roof Replacement & Installation Process
Here is what happens when you call Winslow Windows & Doors for a Therma-Tru roof replacement or installation in Miami. No mystery, no change orders, no crew you’ve never met showing up unannounced.
- 1
You call (863) 862-5435. A live person answers, 24/7. We listen to what’s happening on your roof and set a time that same week, not next month. No trip charge inside our home county.
- 2
We inspect the roof and the Therma-Tru components together. One of our background-checked, uniformed techs walks the roof with you, or at minimum documents everything with photos so you can see what we see. We check decking, flashing, ventilation, and the condition of any Therma-Tru door or skylight interfaces.
- 3
You get a written line-item price. Not a verbal ballpark. You see every material, every labor line, and the exact scope. If you have another written estimate, bring it, we will give you a free second opinion.
- 4
We decide OEM or quality aftermarket together. Some Therma-Tru components should come from the manufacturer to preserve warranty. Some, like flashing, are honestly better sourced locally to meet Miami-Dade wind standards. We explain the difference in plain English and let you choose based on facts, not fear.
- 5
Install day: tear-off, decking repair, underlayment, fastening, and full clean-up. We protect your landscaping and clean up with magnetic sweepers, because the roofing nails in the driveway are the quickest way to a flat tire and a frustrated neighbor.
- 6
We walk the roof with you and explain the 36500-Day Done Right Promise. If it’s not done right, we come back and make it right. Not for a year, not for a decade. For a century. That’s the promise, and Ed Winslow’s name is on it.
What Therma-Tru Roof Replacement & Installation Costs in Miami
Honest numbers, because you deserve them. A full Therma-Tru roof replacement on a typical Miami single-family ranch of 1,400 to 1,800 square feet runs between $12,000 and $18,000, depending on decking condition, tile versus shingle, and the number of Therma-Tru penetration points. A smaller repair, like re-flashing a single Therma-Tru door head or skylight curb, runs $600 to $1,200. Roof decking replacement where rot has set in adds $3 to $5 per square foot.
| Common Therma-Tru Scenario | Typical Miami Price Range | What Moves the Price |
|---|---|---|
| Full roof replacement with Therma-Tru interfaces, 1,400-1,800 sq ft | $12,000 – $18,000 | Decking condition, tile vs shingle, number of penetrations |
| Therma-Tru door or skylight re-flashing | $600 – $1,200 | Access, amount of decking repair, flashing material |
| Roof decking replacement (per sq ft) | $3 – $5 | Water damage extent, sheathing grade |
| Ventilation correction with new collars/boots | $200 – $500 | Number of stacks, roof pitch |
If you’re on a fixed income, we offer a permanent 10% discount for seniors and veterans. And any repair over $200 gets $40 off, on our invoice, automatically. Call (863) 862-5435 for an exact quote, estimates are free.
Why Miami Homeowners Call Winslow Windows & Doors for Therma-Tru Work
Because when you call us at 2 a.m. with a roof worry, a human answers. That’s not a slogan, that’s how we operate. We’ve been serving Miami and the surrounding areas since 2011, locally owned by Ed Winslow, not a franchise group answering to a headquarters in another state. Our techs are background-checked and arrive in uniform, so you know who’s at your door before the truck pulls up. We’re authorized installers for PGT, CGI, CWS, and ES Windows too, which matters because it means we understand how your Therma-Tru roof interfaces with your doors, windows, and exterior envelope as one complete system. Most roofers only know the roof. We know the whole house, because we install and service all of it.
And the 36500-Day Done Right Promise isn’t a warranty. It’s a statement of accountability. If we install your Therma-Tru roof replacement and it’s not right, we come back and make it right. Period. You won’t find a national chain willing to sign that. You’ll find it at Winslow Windows & Doors, the one down the road.
FAQs
No, not when the flashing and installation are done correctly. The door unit warranty on a Therma-Tru product is tied to the door, not the roof. But a poorly flashed roof will void the door warranty indirectly, because if water gets behind that flange and rots the frame, the manufacturer will rightly call it an installation failure, not a manufacturing defect. That’s why we re-flash every Therma-Tru penetration point during a roof replacement in Miami, to keep both warranties intact. Call (863) 862-5435 for a free estimate and we’ll explain exactly what your roof needs.
For emergency roof repairs, we staff a live line 24/7 and can often get a tech to your Miami home the same day, but a full replacement is scheduled, not rushed. A roof that’s actively leaking gets tarped and secured first, then we schedule the replacement properly. Never let a contractor tear off your roof the same day they met you. That’s how corners get cut. Call (863) 862-5435 and we’ll get you protected first.
Most single-family homes run two to three working days, but Miami’s afternoon thunderstorms can stretch that to four or five. We stage materials, protect the decking with synthetic underlayment the same day we tear off, and never leave an open roof overnight where it could take water. You deserve that standard. Call (863) 862-5435 for a timeline based on your specific roof.
If the roof is under ten years old and the damage is localized, repair almost always makes sense. If it’s over fifteen years old on the Miami coastline, with multiple Therma-Tru penetration failures, replacement is usually the smarter money, because you’re chasing leaks anyway and the salt air isn’t getting gentler. We’ll give you a straight answer, because Ed Winslow doesn’t get paid to sell you a roof you don’t need. Call (863) 862-5435 for an honest assessment.
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.










Before
After
Before
After
Before
After