Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Why Fort Myers Homeowners Choose Therma-Tru Windows & Doors
We provide Therma Tru repair in Fort Myers, from full-frame entry system replacements to weatherstripping, hinge, and slab repairs on Classic-Craft, Smooth-Star, Fiber-Classic, and Pulse lines. What separates our Therma-Tru work from a general handyman’s is simple: our technicians have rebuilt hundreds of these systems across Lee County since Hurricane Ian, and we know where they fail in this specific climate before we ever pull the first screw. We are not affiliated with or authorized by Therma-Tru. We are an independent Therma-Tru service provider, and we stock OEM-compatible parts locally so your repair does not drag on waiting for a factory shipment. Call (239) 323-5522 to talk through what you are seeing.
Why Trust TruePane Windows & Doors for Your Therma-Tru Windows & Doors?
Dale Kessler grew up around glazing. His father ran a small shop out of a rented bay on the west side of Columbus, Ohio, and Dale learned the trade formally at Columbus State Community College before spending the better part of three decades measuring, setting, and sealing windows and doors across Southwest Florida. That includes years of work in the McGregor Boulevard corridor, where old homes demand patience and precision in equal measure.
What that means for your Therma-Tru system is practical. We know the Classic-Craft bottom rail rot pattern that starts invisibly behind the sweep. We know the Smooth-Star frame flex that shows up during a Category 1 gust long before it becomes a real problem. We know the Fiber-Classic hinge-side sag that salt air accelerates in Fort Myers more than any inland city. Factory manuals describe how these products are built. They do not describe how they fail after eight years of Gulf Coast humidity. Our crew has rebuilt more Therma-Tru entry systems in Fort Myers than any independent shop we know of, and we bring that field experience to every Cape Coral Therma Tru service call too.
Every repair or replacement carries The Keystone Standard: both manufacturer warranty layers registered in writing, durations stated, before our truck leaves your driveway. That is not a courtesy. It is a discipline we built the company on in 2008, and it is why we have served these communities for over 42 years through Dale’s craft heritage. If it is not in writing, it is not a promise.
Common Therma-Tru Windows & Doors Problems We Fix in Fort Myers
These are the failures we see repeatedly on Therma-Tru products in this market, and they are tied directly to Fort Myers conditions: salt air, UV, humidity, and hurricane-pressure cycles.
- Bottom rail rot on Classic-Craft doors. Sprinkler overspray wicks under the door sweep, saturates the bottom rail, and rots it from the inside. The finish up top still looks perfect, which is why homeowners miss it until the slab feels soft under thumb pressure. We route out the rot, fill with marine-grade epoxy, and set the sweep for proper threshold clearance.
- Slab delamination at the lock bore on Smooth-Star doors. Hurricane gusts flex the slab enough that the skin separates around the bore. It starts as a hairline seam and widens over months. In Fort Myers, where tropical storm gusts are an annual event, this is common on Smooth-Star units installed eight or more years.
- Fiber-Classic hinge-side sag. Salt-laden air off the Gulf corrodes the steel reinforcement inside the hinge stile. The door still looks fine from the outside, but it starts dragging on the latch side. Re-hanging with new OEM hinges and shimming the jamb corrects it in most cases.
- Pulse weatherstrip channel cracking. The bottom weatherstrip channel on Pulse doors is a known weak point. Two hairline cracks is all it takes for wind-driven rain to get behind the frame during a Fort Myers storm. We replace the channel and weatherstrip as a set rather than patching.
- Therma-Tru glass unit seal failure. Fort Myers humidity finds any gap in the seal. Fogged glass between the panes cannot be cleaned out. We replace the insulated glass unit with OEM Therma-Tru glass and re-bed the frame so the new seal is protected from repeat moisture intrusion.
One McGregor Boulevard job comes to mind. We pulled a Classic-Craft double door where the bottom rail had turned to sponge. Drywall dust and sprinkler overspray had wicked up six inches. Our tech routed the rot, epoxied a marine-grade filler, re-hung with new OEM hinges, and adjusted the sweep so the slab cleared the threshold by a full 3/8 inch. Two years later it still swings flat and holds a dollar bill at the bottom.
Therma-Tru Parts & Our Repair-vs-Replace Approach
We keep OEM Therma-Tru glass, sweeps, and hinge kits on the truck for the repairs that make up most service calls. This means a Classic-Craft sweep replacement or a Smooth-Star hinge swap is usually a single-visit job in Fort Myers, not a two-week wait on a factory shipment.
When it comes to slabs and panels past ten years old, we are straight with you. A full re-skin of a delaminated Smooth-Star panel often runs close to the cost of a new slab, and the new slab carries a fresh manufacturer warranty with it. Same goes for a Classic-Craft door with rot extending past the bottom rail: at some point, the honest answer is a new Classic-Craft panel, not another patch. We quote both options side by side on paper so you can see the numbers and decide without pressure.
Our rule is simple. Repair what will hold, replace what will not. Call (239) 323-5522 and we will tell you which path your Therma-Tru system is on.
Our Therma-Tru Service Process - Step by Step
- 1
Diagnosis on site. We inspect the slab, jamb, hinges, weatherstripping, and threshold. On Classic-Craft doors we probe the bottom rail for softness. On Smooth-Star we check the lock bore area under light flex. We note exactly what we find and explain it in plain language before any work is quoted.
- 2
Written quote with both options. Repair cost and replacement cost, side by side, with part sources identified (OEM Therma-Tru where available, quality aftermarket where it makes sense). No surprise line items on the bill later.
- 3
Repair or install. Our uniformed, background-checked technicians measure every opening twice. For full-frame replacements in Fort Myers, we pull the old unit, inspect the rough opening for hidden rot behind stucco, and set the new frame true before any trim goes on.
- 4
Testing and adjustment. We cycle the door or window, check reveal gaps, set the sweep for proper threshold clearance, and verify the weatherstripping compresses evenly. For impact-rated units we confirm the latching hardware seats fully.
- 5
Warranty registration. Before we leave, both manufacturer warranty layers are registered in writing with durations stated. Your 90-Day Done Right Promise starts the day we finish.
Therma-Tru Products We Service & Install in Fort Myers
Our team works across the Therma-Tru residential line. That includes the Classic-Craft Mahogany Collection with its woodgrain texture matching, Smooth-Star fiberglass doors, Fiber-Classic doors, and Pulse entry systems with integrated lock technology. We handle full frame replacement, Impact Windows, hurricane-proof front and entry doors, and energy-efficient upgrades with Low-E glazing. Locally we stock common Therma-Tru glass units, sweeps, hinge kits, and weatherstrip channels so most repairs in Fort Myers are finished in one visit. If the pane is not true, the job is not done.
We Also Service These Brands
TruePane Windows & Doors is not tied to any single manufacturer. We are an authorized installer for more than a dozen lines, and we regularly service PGT, CGI, CWS, and ES Windows products alongside Therma-Tru. That matters when a Fort Myers home has impact windows from one brand and an entry door from another. We carry the expertise to work on all of them correctly.
FAQs - Therma-Tru Windows & Doors Service in Fort Myers
No. We are an independent Therma-Tru service provider, and we state that plainly. What you get with us is field experience specific to Fort Myers conditions and access to OEM Therma-Tru parts without the authorization markup. We have rebuilt more Therma-Tru entry systems in this market than any independent shop we know of.
For glass units, sweeps, and hinge kits, yes, we use OEM Therma-Tru parts whenever they are the correct fix. For some weatherstrip channels and aftermarket hardware where OEM is overpriced or backordered, we use quality aftermarket parts and tell you before we install them. Call (239) 323-5522 and we will quote your specific part source in writing.
In most cases, yes. We route out the rotted material, treat the area, and fill with a marine-grade epoxy. The key is catching it before rot reaches the mortise for the hinge or the lock body. Once rot extends into the structural core, replacement becomes the honest recommendation. Fort Myers sprinkler overspray is the usual cause. Set your sprinkler heads to clear the door and check the bottom rail once a year with thumb pressure.
Impact-rated means the door and glazing passed design pressure testing. It does not mean the slab will not flex. Some flex is normal under storm loading. The problem is repeated flexing over years: it is what causes the skin to delaminate at the lock bore. We check the latching hardware and adjust the strike so the door seats firmly against all weatherstripping points. That reduces the worst of the flex. Call (239) 323-5522 for an inspection before the next storm season.
Yes, on Classic-Craft Mahogany Collection doors the woodgrain texture is matched grain pattern to grain pattern. That is a factory capability we specify when we order the slab, and it is part of why we prefer OEM Therma-Tru slabs over trying to refinish a mismatched aftermarket panel. Every opening gets measured twice before the order goes in.
It depends on the repair. A sweep or weatherstrip channel replacement typically runs under $250. A hinge kit replacement with re-hanging falls in the $250 to $500 range depending on the unit. A full slab or entry system replacement starts around $2,500 and goes up from there based on glass package, hardware, and finishing. Call (239) 323-5522 for a free estimate. We quote in writing before any work begins.
Book Your Therma-Tru Service in Fort Myers, FL
If your Therma-Tru door is dragging, flexing, or soft at the rail, call TruePane Windows & Doors at (239) 323-5522. We answer the phone, we come out, and we quote you straight. Free estimates on repairs and replacements throughout Fort Myers and Therma Tru service in Lehigh Acres.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Fort Myers since 2008.
Six Reasons Homeowners Choose TruePane 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