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Therma-Tru Roofing: The Jacksonville Owner’s Guide
We stock and install Therma-Tru-compatible roofing components in Jacksonville, FL, with most replacement jobs running $400 – $1,800 for repairs and $8,000 – $20,000 for full roof replacements. Most parts are on our trucks or sourced same-week through our supplier network. You usually discover the problem after a hard rain, when a water stain shows up on the ceiling, or when you spot a lifted shingle from the driveway and realize the seal strip gave out.
Therma-Tru is better known for doors, but roofing products sold through their exterior line cross into flashing kits, drip edges, and integrated weather barrier components that work with their entry systems. In Jacksonville’s humidity and storm cycles, we see these parts fail at the transition points: where roof meets door frame, where flashing meets fascia, where sealant meets substrate. That’s where water finds its way in, and that’s where most of our service calls start.
Bradford Remodeling Co Jacksonville is an independent service provider. We’re not affiliated with Therma-Tru. We install and match their roofing-compatible products because we’ve seen enough of their systems across Jacksonville to know how they hold up, where they fail, and exactly what to order when a part gives out. Curtis Lane and the crews have been working Jacksonville homes for years, and we’ve pulled apart enough failed flashing to know the difference between a bad install and a bad part.
Which Therma-Tru Models This Applies To
Therma-Tru’s roofing-adjacent product lines fall into three buckets: entry-door integrated flashing kits, threshold and sill pan components, and the weather seal systems they spec for door-to-roof transitions in covered entries and porch roofs. If your home has a Therma-Tru door under a porch roof or covered entry, the flashing and drip edge above that door is the part that fails most often. That’s the part we match most frequently in Jacksonville.
The compatibility gotcha most homeowners miss: Therma-Tru flashing profiles changed across their classic and benchmark series. A flashing kit from a 2010s-era Smooth-Star door will not seat properly against their newer profiles without modification. The specifications matter. Door width (typically 32″, 36″, or 42″), the door’s swing, and the roof’s overhang depth all determine which flashing and drip edge you need. We measure all three before ordering anything. Aftermarket flashing exists, and for simple transitions it holds up, but we’ve also seen generic flashing that doesn’t match the Therma-Tru profile well enough to close the gap. For integrated transitions, we spec OEM.
If you’re not sure what you have, check the hinge-side label on the door slab, or look for the Therma-Tru etching in the bottom corner of the glass. That gives us the series and approximate year. Bring us a photo and the door width and we can usually identify the right part from that.
Styles & brands we work with
Signs Your Therma-Tru Roofing Is Failing
- Water staining on the ceiling or wall directly above your Therma-Tru door. This almost always means the flashing above the door has separated from the substrate or the sealant has dried out. Jacksonville’s heat accelerates sealant breakdown faster than most homeowners expect.
- Visible daylight or a gap between the drip edge and the door frame. That gap lets wind-driven rain work behind the flashing. We see this all the time in Jacksonville, where afternoon storms drive rain sideways.
- Peeling or bubbling paint around the door header. Moisture is trapped behind the trim. By the time the paint fails, the substrate is already wet. That’s a repair-plus-reconditioning job, not a touch-up.
- Shingles pulling up at the transition between roof and wall. The seal strip loses adhesion, and once one edge lifts, wind gets under it and the failure spreads. Typical in Florida sun exposure.
- Caulk or sealant that’s cracked, pulling away from the metal, or gone entirely. On Therma-Tru transition details, the sealant is the last line of defense. When it goes, water follows within weeks.
Replacement Cost & What’s Included
Here’s what you can expect to pay in Jacksonville for Therma-Tru roofing-related work:
- Flashing replacement above one door: $400 – $1,200
- Full transition repair with substrate reconditioning: $800 – $1,800
- Roof repair involving Therma-Tru transition points: $400 – $1,800 (overlaps with the above, depends on scope)
- Full roof replacement on a typical Jacksonville home: $8,000 – $20,000
The price moves based on three things: whether the substrate is rotted and needs replacement, whether we’re pulling up shingles or working just at the transition, and whether you need OEM Therma-Tru parts or an aftermarket match makes sense. The written price we give you before work starts includes parts, labor, disposal, and the written guarantee. No numbers that move at the door. That’s the Garrison Standard.
Every completed job carries the 365-Day Done Right Promise: if the work fails inside a year, we return and correct it at no charge. That guarantee is in writing, in your hand, before we leave the site.
See the difference
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AfterDIY or Call Us?
Here’s the honest split. You can safely inspect your own flashing from the ground. Look for gaps, cracks in the sealant, pulled-away drip edge, rust on metal flashing. Take photos. That helps us quote accurately over the phone. What you shouldn’t do is get on a ladder and start pulling shingles or peeling flashing off the transition point. Once you break that seal, even a small rain can do real damage inside the wall cavity, and a fall from a ladder while reaching under a soffit is a genuine risk.
What we’ve seen plenty of times: a homeowner pries up a corner of flashing, sees it’s worse than expected, and then it rains before anyone can get out there to fix it. That’s a bigger, more expensive fix than the original problem would have been. Scope it right the first time – the job goes a lot smoother when nobody’s surprised.
FAQs
In Jacksonville’s sun, humidity, and storm cycle, the flashing and sealant around a Therma-Tru door transition typically lasts 7 – 12 years before a failure shows up. The door itself lasts decades, but the transition materials are exposed to the worst of the weather and degrade first.
Sometimes. If the flashing is intact and the sealant is the only failure, a re-seal and proper re-seating can buy you a few more years. If the flashing is bent, rusted through, or the substrate behind it is wet and soft, a full replacement is the honest fix. We’ll tell you which one you’re looking at. Call (904) 337-5929 for a free estimate.
A straight flashing replacement takes one half-day on site. If substrate reconditioning is involved, plan for a full day. We give you the scope and the schedule in writing before we start, and we keep to it.
We carry the common flashing profiles, drip edges, and transition kits on our trucks in Jacksonville, and we order OEM for anything nonstandard through our supplier network. We also stock and install parts for KraftMaid, Cambria, and Silestone projects, so our ordering channels are already built for used-in-the-field compatibility, not guesswork.
Call for a Free Estimate
If you’ve got a water stain, a gap, or a flashing that looks like it’s given up, call (904) 337-5929. We’ll walk through what you’re seeing, give you a straight price range, and schedule a look when it works for you. Written price before any work starts. Guarantee in writing when the job’s done. That’s how we operate.
Written by Curtis Lane, Owner, Bradford Remodeling Co Jacksonville at Bradford Remodeling Co Jacksonville, serving Jacksonville and nearby areas.
