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Therma-Tru Windows & Doors in Fort Myers, FL | TruePane Windows & Doors
We are Therma Tru specialists who service windows and doors across Fort Myers, from Classic-Craft entry doors to Slim-Line sliders and Pulse vinyl windows. We are an independent Therma-Tru service provider, not a manufacturer affiliate, which means we fix what’s broken rather than sell you a replacement you may not need. The one thing that sets our Therma-Tru work apart here is that we understand what Hurricane Ian and Lee County’s post-storm code enforcement mean for your specific openings. Call (239) 323-5522 for service.
Why Fort Myers Residents Choose Us for Therma-Tru Service
Dale Kessler has been measuring, setting, and sealing windows and doors across Southwest Florida for the better part of three decades, including years of work in the McGregor Boulevard corridor where old homes demand patience as much as skill. That background matters when a Therma-Tru door has been through a Category 4 storm. We know which Classic-Craft door skins delaminate, which Smooth-Star lock blocks corrode, and which Slim-Line weatherstripping gives out first in Gulf Coast humidity.
Our techs are background-checked, uniformed, and trained to measure every opening twice before any work begins. We stock Therma-Tru OEM components locally in Fort Myers so turnaround stays short. And when a repair would leave a door slab structurally unsound, we tell you straight and quote the replacement side by side on paper.
Common Therma-Tru Windows & Doors Problems We Solve in Fort Myers
- Delaminated fiberglass door skins. Therma-Tru fiberglass door skins separate along bottom rails after prolonged contact with wind-driven rain and storm surge. We saw this repeatedly after Ian, especially on homes along Colonial Boulevard and in neighborhoods closer to the Caloosahatchee. The blisters start small, then paint fails and moisture works into the core.
- Corroded multi-point lock assemblies. Salt-laden Gulf air is hard on metal hardware. Classic-Craft and Smooth-Star multi-point locks jam when corrosion binds the deadbolt mechanism. In most cases we replace the entire lock block assembly with OEM or matched aftermarket parts, not just the cylinder.
- Failed weatherstripping on Slim-Line sliders. Intense UV and year-round heat compress Therma-Tru weatherstripping until it loses tension. Owners notice drafts along side jambs and water intrusion during afternoon thunderstorms. Replacement weatherstripping restores the seal.
- Warped sashes on older Therma-Tru vinyl windows. Years of thermal cycling in Lee County heat warp older vinyl sashes, and once they’re out of true they may not meet current Florida Product Approval design-pressure ratings. We replace sashes when structural integrity is gone.
- Rotted wood bucks hidden behind stucco. High humidity rots the wood framing behind stucco openings long before anyone sees it. A door that no longer seals against the frame after Ian may be sitting on a rotted buck, not a failed Therma-Tru product.
Therma-Tru Service in Fort Myers: What Local Conditions Mean for Your Equipment
Here’s the reality that doesn’t show up in a Therma-Tru brochure. After Hurricane Ian, Lee County building inspectors now flag any window or door swap as a permit-required alteration that must meet current Florida Product Approval design-pressure ratings for the home’s specific wind zone. A homeowner on a 1980s CBS ranch in Fort Myers who budgets for a like-for-like Therma-Tru replacement is often blindsided when the inspector requires Impact Windows in Fort Myers or impact-rated units with documented DP ratings. That turns a simple door swap into a $3,000-plus project. We walk homeowners through this before any money changes hands. If it is not in writing, it is not a promise. That’s how we work.
Therma-Tru Models & Products We Service in Fort Myers
We service the full Therma-Tru residential lineup: Classic-Craft fiberglass entry doors with wood-grain texture, Smooth-Star smooth fiberglass doors with rot-resistant stiles, Slim-Line aluminum and vinyl sliding patio doors, and Pulse vinyl windows with multi-chamber frames. For repairs we source genuine Therma-Tru OEM components whenever available, including door skins, weatherstripping, lock blocks, and corner pads. When Therma-Tru no longer supports an older model, we use proven aftermarket fiberglass repair kits and multi-point locks that match or exceed original specs. We replace rather than patch when a slab or sash has lost structural integrity, especially on impact-rated openings where code compliance is critical.
Therma-Tru Service Pricing in Fort Myers
What does Fort Myers Window Installation for Therma-Tru service cost? It depends on what failed and whether code requires an impact-rated upgrade.
- Multi-point lock block replacement on a Classic-Craft or Smooth-Star door: $180-$340.
- Weatherstripping replacement on a Slim-Line slider: $120-$240.
- Fiberglass door skin repair or spot delamination fix: $250-$500.
- Full impact-rated Therma-Tru door replacement with permit and DP-rated unit: $2,800-$6,000 depending on opening size and wind zone.
Every estimate is free and written line by line. You’ll see the parts, the labor, the permit, and the warranty durations on paper before you sign anything. Call (239) 323-5522 to schedule a free estimate.
Serving Fort Myers, FL - Our Local Coverage Area
We’re based in the Fort Myers area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Therma-Tru Windows & Doors in Fort Myers
Because Lee County building inspectors treat any window or door swap as a permit-required alteration that must meet current Florida Product Approval design-pressure ratings for your home’s wind zone. A like-for-like swap on a pre-1992 CBS home often won’t pass inspection without impact-rated glass and documented DP ratings. We walk you through the code requirements for your specific home before quoting. Call (239) 323-5522 and we’ll tell you exactly what your opening needs.
We can often repair a delaminated fiberglass door skin using OEM Therma-Tru skins or matched aftermarket fiberglass repair kits, provided the door core hasn’t absorbed water. If the slab is swollen or the structural integrity is compromised, replacement is the honest call. We’ll show you both options and the prices before you decide.
Yes, and salt air off the Gulf is the usual culprit. Corrosion builds up inside the lock block assembly on Classic-Craft and Smooth-Star doors, especially on homes within a few miles of the coast. We typically replace the entire lock block rather than just lubricating the cylinder. Call (239) 323-5522 and we’ll quote it over the phone.
We do. Slim-Line impact-rated sliders with the right DP ratings satisfy Lee County code and most insurance carrier requirements for wind-borne debris zones. We register both warranty layers in writing before the truck leaves your driveway.
On older Therma-Tru vinyl windows, the most common cause in Fort Myers is compressed weatherstripping plus a sash that has warped slightly after years of thermal cycling in Lee County heat. The sash may look closed but isn’t seating flush against the frame. We’ll diagnose the exact cause and tell you whether replacing weatherstripping fixes it or the sash itself needs replacement.
Service Areas Near Fort Myers
We provide Fort Myers service area coverage plus neighboring communities. For Therma-Tru work across the Caloosahatchee, our Therma-Tru service in Cape Coral handles that side of the river. East Lee County is covered by our Therma-Tru service in Lehigh Acres. We also work in North Fort Myers, Estero, and Bonita Springs.
Book Your Therma-Tru Service in Fort Myers Today
Call (239) 323-5522 for a free estimate on any Therma-Tru repair or replacement in Fort Myers. A live person answers, 24/7. We’ll be there when we say, and the quote you get is the price on the bill.
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.









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