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Therma-Tru Roof Repair in Coral Gables: What to Know First
Therma-Tru roof repair in Coral Gables typically runs $220-$680 for flashing, sealant, and penetration repairs around Therma-Tru skylights, vent boots, and roof-to-wall transitions, and most residential jobs are completed in one visit. We’re Winslow Windows & Doors, an independent Therma-Tru service provider in Coral Gables, and we repair what the manufacturer warranties won’t cover. No factory-run service truck is coming to Coral Gables, so the fix falls to a local crew that actually knows how Therma-Tru products fail in South Florida conditions. Call (904) 478-8983 and you’ll get a real person, day or night.
How Therma-Tru Products Fail on Coral Gables Roofs, and How We Fix Them
Therma-Tru is best known for fiberglass and steel entry doors, but Coral Gables homes with Therma-Tru door systems facing exposed rooflines often develop roof-level problems at the header, threshold flashing, and side jambs. Here’s what we actually see in the field:
- Therma-Tru Classic-Craft and Fiber-Classic header rot from missing roof kick-out flashing. When roof water hits the wall above a Therma-Tru entry door without a proper kick-out diverter, the water runs behind the door’s brickmould and soaks the rough opening. The door slab itself rarely fails first, the surrounding frame does. We pull the affected flashing, install a proper kick-out at the roofline, replace any compromised framing, and re-flash the header to shed water before it reaches the door system.
- Therma-Tru Slim-Line transom and sidelite assemblies leaking at the roof-to-wall seam. Homes in Coral Gables with flat or low-slope roof sections over entryways often have a seam where the roof membrane meets the door assembly. Silicone caulk from a previous repair is usually the culprit, it dries, cracks, and separates within two South Florida summers. We remove the failed sealant, install proper membrane-to-frame flashing, and use a polyurethane sealant rated for constant UV exposure.
- Therma-Tru Pulse and Benchmark door thresholds holding water after roof runoff changes. If a homeowner adds a gutter or changes roof pitch, water that used to fall past the entry now channels directly at the threshold. The threshold cap looks fine, but the sub-sill underneath rots because capillary action draws water up from below. We rebuild the sub-sill with pressure-treated stock, reset the Therma-Tru threshold, and direct roof runoff away with a proper drip edge extension.
- Therma-Tru door bottom sweeps failing after roof insulation changes. New roof insulation raises attic temperatures, which changes the air pressure at the door plane. The result is a Therma-Tru door that suddenly drafts or leaks at the sweep, even though the sweep looks intact. We check the roof ventilation, confirm the door’s clearance hasn’t shifted, and replace the sweep with the correct Therma-Tru OEM part rather than a generic sweep that will fail in six months.
- Therma-Tru weatherstripping degrading faster than expected near salt-exposed rooflines. Coral Gables sits close enough to Biscayne Bay that salt mist settles on roof edges and door tops. The factory weatherstripping on a Therma-Tru door facing the bay breaks down faster than the owner’s manual suggests. We replace it with a marine-grade replacement and adjust the door’s reveal so the sweep and jamb seals make full contact year-round.
Our Therma-Tru Roof Repair Process
When you call (904) 478-8983, here’s what happens, step by step, on a Therma-Tru roof repair in Coral Gables:
- 1
Call and diagnosis. A live person answers, not a call center. We ask what you’re seeing, where the water is showing up, and whether you know which Therma-Tru product you have. We schedule a time that works for you.
- 2
On-site inspection. Ed or a background-checked technician walks the affected area, checks the roofline above the door, and identifies whether the failure is in the roofing, the flashing, or the Therma-Tru unit itself.
- 3
Parts decision. If a Therma-Tru component needs replacement, we tell you plainly whether OEM matters or a quality aftermarket part will perform just as well. We never upsell you on factory parts when a better local option exists.
- 4
The repair and new flashing. We get the repair done, usually same visit. Roof work first, then the door system, so water never touches the new work.
- 5
The test. Before we leave, we check the repair with water or a visual seam inspection, adjust the door if needed, and confirm the integrity.
- 6
The paper trail. You get a written summary and the Done Right Promise, if it’s not done right, we make it right.
What Therma-Tru Roof Repair Costs in Coral Gables
| Repair Type | Typical Cost in Coral Gables |
|---|---|
| Flashing replacement at door header | $220 - $420 |
| Kick-out flashing install (header/sidewall) | $180 - $340 |
| Threshold sub-sill rebuild + reset | $360 - $680 |
| Sealant and weatherstripping replacement | $160 - $300 |
| Full door-to-roof transition re-flash | $480 - $900 |
Cost moves based on how much roofing has to come apart to reach the flashing, whether framing behind the Therma-Tru unit has rot, and the door’s exposure to direct sun and salt. Every job gets an upfront written quote so you know your cost before we touch anything, plus $40 off any repair over $200 and no trip charge for Coral Gables addresses. Call (904) 478-8983 and we’ll schedule your estimate.
Why Coral Gables Homeowners Call Winslow Windows & Doors for Therma-Tru Work
Ed Winslow grew up in the Coconut Grove area, just minutes from the Biltmore Hotel, and he’s spent his entire working life in South Florida’s sun, salt air, and hurricane seasons, conditions that teach you fast what subpar construction looks like. Ed studied building construction technology at Miami Dade College, and for more than two decades he has focused specifically on window and door replacement across Coral Gables and the surrounding neighborhoods. Winslow has been locally owned and operated since 2011, with a published address and license number. Every technician arrives background-checked and in uniform. If your Therma-Tru problem turns out to involve a neighboring PGT, CGI, CWS, or ES Windows product, we fix that too because we’re authorized installers for all of them. My name is on the truck. That means I’m the one accountable if anything’s off, and it never is.
FAQs
In most cases, no. Therma-Tru’s warranty covers manufacturing defects in the door slab and frame, not the surrounding roof flashing, sealants, and framing that typically cause leaks. As an independent Therma-Tru service provider, we don’t touch the covered components unless you ask us to, and we document everything so any future warranty claim stays clean. Call (904) 478-8983 and we’ll walk you through what your specific situation means for warranty coverage.
Yes, and we know which ones are worth the wait. Therma-Tru replacement sweeps, thresholds, and weatherstripping are available through regional distribution, and for critical door components we use the factory parts. For flashing, sealants, and roof-to-wall transition materials, we use products that outperform the original in Coral Gables conditions because the manufacturer doesn’t ship flashing with the door. We’ll tell you upfront which parts we’re ordering and why.
Most single-point Therma-Tru roof repairs are done in one visit, often the same week you call. Complex jobs involving rotted framing, roof membrane work, or multiple door assemblies may take a second visit for materials to cure or dry. Call (904) 478-8983 for a realistic time estimate on your specific situation, and we’ll tell you straight.
If the door slab and frame are structurally sound, repair almost always wins, it’s cheaper, faster, and keeps the original door’s fit and finish. If the frame is rotted more than about 30% or the door is past roughly 20 years in direct coastal exposure, replacement starts making sense. We’ll give you costs for both and let you decide, no pressure to replace.
We handle the roof penetration, the flashing, the door system, and the seal between them. That’s the point, the seam between the roof and the Therma-Tru unit is where nearly every failure starts, and you don’t want a roofer pointing at the door guy and the door guy pointing at the roofer. Call (904) 478-8983 for an exact quote, estimates are free.
Written by Ed Winslow, Owner, Winslow Windows & Doors at Winslow Windows & Doors, serving Coral Gables 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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