Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Why Weston Homeowners Choose Therma-Tru Windows & Doors
We provide Therma-Tru Windows & Doors in Weston, FL, specializing in entry door repair, replacement, and impact-rated upgrades for the HVHZ code requirements that govern every home here. Our technicians work on Therma-Tru Smooth-Star, Fiber-Classic, Classic-Craft, Benchmark, and Profiles systems using OEM-compatible parts and warranty-safe practices, with a written price before any work starts and a documented photo record when it finishes. Call (754) 812-9260 to schedule your free estimate.
Therma-Tru has been a significant name in fiberglass entry doors since the late 1990s, and their products show up heavily in Therma Tru in Pembroke Pines and Weston’s master-planned communities - Sector 7, The Ridges, Grand Palms - where builder-grade Smooth-Star and Fiber-Classic units were spec’d on thousands of homes between 1998 and 2010. Those doors are now aging into real service needs. Weston sits entirely within Broward County’s High Velocity Hurricane Zone, so any replacement must carry a Miami-Dade Notice of Acceptance or current Florida Product Approval before a permit is issued. That regulatory reality shapes everything we do with Therma-Tru products here.
We are not affiliated with or authorized by Therma-Tru. We are an independent service provider that has worked on hundreds of Therma-Tru installations across South Florida. Our expertise comes from field hours, not dealer agreements.
Why Trust Sightline Windows & Doors Weston for Your Therma-Tru Windows & Doors?
Sonia Raman, who leads our operation, grew up in Miami and picked up her first glazing tools in the shop programs at Miami Dade College before moving into full residential installation work. She has spent the better part of two decades measuring, ordering, and setting windows and doors across Broward County, with a good stretch of that time running jobs in Weston - including retrofits on homes backing the Weston Town Center corridor where the salt-laden air punishes every bad seal eventually. She is known among her crews for refusing to call a frame square until she has checked it from three reference points, a habit that has saved more than one costly re-order. Outside the job, she keeps a running log of every product failure she has ever seen in the field - not for liability, she says, but because the patterns are genuinely interesting.
That field log matters for Therma-Tru work. We have seen enough Fiber-Classic lock block cracks and Smooth-Star threshold failures to know which symptoms indicate a repairable component versus a compromised door system. Our technicians carry OEM-compatible Therma-Tru hardware kits and threshold assemblies on our Weston-area trucks, and we stock common glass insert sizes for the decorative doorlites that fog out in this humidity. Every technician is background-checked, uniformed, and identified by license number before arrival - Haven Clause 3, Verified Crews.
Measure it right the first time. The window does not care how confident you were.
Common Therma-Tru Windows & Doors Problems We Fix in Weston

- Fiberglass skin cracks on Smooth-Star and Fiber-Classic units. The fiberglass door skins can develop hairline cracks at the lock block and hinge stile after years of intense UV and South Florida humidity. These cracks are not cosmetic. They let water into the composite core, causing delamination that weakens the door’s structural integrity and can compromise its impact rating. In Weston, where afternoon storms drive rain horizontally against entry doors, we see this most often on west-facing installations that took full sun for fifteen years before the first crack appeared. We assess whether the slab can be repaired or if the impact rating has been breached.
- Multi-point lock and handle set failure. Therma-Tru’s multi-point hardware often fails internally in coastal climates, leaving the door difficult to latch or deadbolt even when the slab itself is sound. The internal mechanisms corrode or the connecting rods between lock points seize. We replace the lock body with OEM-compatible Therma-Tru hardware kits and adjust the strike plates so the door latches smoothly at all three points again. This is a common repair that saves homeowners from unnecessary full-door replacement.
- Threshold and sill pan corrosion or sealant failure. The threshold and sill pans on older Therma-Tru installations corrode or lose their sealant bond, allowing wind-driven rain to reach the subfloor and door frame. Weston’s sustained moisture load - that Everglades-adjacent humidity that never really breaks - accelerates this. We inspect the sill pan, the subfloor condition, and the frame bottom. Sometimes a new threshold assembly and proper sealant application solves it. Sometimes the frame foot has rotted and we need to discuss replacement.
- Glass insert and doorlite seal failure. The decorative glass inserts and doorlites on Fiber-Classic and Classic-Craft doors can fog or lose their insulated seal. This reduces energy efficiency and, for impact-rated units, can indicate that the laminated glass package has been compromised. We measure the exact insert size, verify the impact rating marking, and source a replacement that matches the original NOA documentation. HOAs in Weston often have grille pattern and tint requirements that further constrain the selection.
- Hinge binding and frame racking. Heavy Therma-Tru fiberglass slabs, especially the Classic-Craft and Benchmark units with decorative glass, can stress hinges over time. Combined with frame settlement or original installation that did not fully account for the slab weight, this produces binding, uneven gaps, and premature weatherstrip wear. We shim, reposition, or replace hinges and adjust the frame plumb to factory spec.
Before
AfterTherma-Tru Parts & Our Repair-vs-Replace Approach
We use OEM Therma-Tru replacement parts whenever they are available for the specific door system. When OEM lead times stretch or a profile has been discontinued, we use high-quality aftermarket hardware that matches the original function and finish. We tell homeowners honestly when a failed Therma-Tru door or component is worth repairing versus replacing.
The decision hinges on three things: whether the impact rating is still intact, whether the frame is structurally sound, and whether the cost of repair approaches the cost of a new code-compliant unit. A Smooth-Star slab with surface cracks but solid core and intact frame often repairs well. A Fiber-Classic with delaminated skin, corroded frame foot, and failed impact glass usually does not. We document our finding with photos and a written scope - the same document becomes your quote, per Haven Clause 1.
Our crew recently serviced a Weston home with a Therma-Tru Fiber-Classic entry door where the multi-point lock had seized and the bottom rail showed water staining after a storm season. We replaced the lock body with an OEM-compatible Therma-Tru hardware kit, resealed the threshold pan, and adjusted the hinges so the door latched smoothly again. The homeowner avoided a full door replacement because the fiberglass slab and impact glass were still structurally sound.
Call (754) 812-9260 for a free estimate - we will inspect your Therma-Tru door and tell you which side of that line it falls on.
Our Therma-Tru Service Process - Step by Step

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Measured diagnosis. We survey the door opening with the tools Sonia Raman trained on at Miami Dade College: laser level, digital angle gauge, and moisture meter. We check the Therma-Tru slab for cracks, the frame for plumb, the threshold for drainage, and the hardware for function. You keep the measured survey. The written quote cannot differ from that document.
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Parts specification. We identify your Therma-Tru series, model year range, and existing hardware configuration. For impact-rated units, we verify the Miami-Dade NOA or Florida Product Approval number. For HOA-governed properties in Weston, we cross-check allowable frame colors, glass tints, and grille patterns against your association’s architectural guidelines.
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Repair or install. Our background-checked, uniformed technicians arrive with license number confirmed. We repair or replace using OEM-compatible or genuine Therma-Tru parts as appropriate. For full replacements, we pull the Broward County permit and schedule inspection.
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Testing and documentation. We cycle the door fifty times, check latch engagement at all multi-point positions, verify threshold drainage, and photograph the completed work. The photo record goes to you with the final invoice.
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Warranty registration. Every job carries our 365-Day Done Right Promise - if it’s not done right, we make it right - stamped under the Haven Standard. We also advise on any remaining Therma-Tru manufacturer warranty and document our work so you have evidence if a future claim arises.
Therma-Tru Products We Service & Install in Weston
We work across the full Therma-Tru entry door line: Smooth-Star fiberglass doors for clean, paintable surfaces; Fiber-Classic with its wood-grain texture and traditional panel profiles; Classic-Craft for higher-end architectural detailing; and Benchmark and Profiles door systems for contemporary and multi-point hardware configurations. We service and install impact-rated Therma-Tru entry doors through our Window Installation services that meet Florida’s HVHZ requirements, including units with laminated glass packages and reinforced frames tested to Miami-Dade standards.
For Weston homes in communities like The Ridges or Grand Palms, where oversized arched openings and custom double-door entries are common, we specify custom-sized Therma-Tru units or coordinate with our other manufacturer lines when the opening demands a different solution. We stock common Therma-Tru threshold assemblies, multi-point lock bodies, and standard doorlite insert sizes locally for faster turnaround on repairs.
We Also Service These Brands

Our eight verified manufacturer lines give us perspective no single-brand shop can match. We also service and install PGT, CGI, CWS, and ES Windows impact and energy-efficient products, plus ECO Window Systems, Mr-Glass, and ViewLux. We specify by what the opening requires, not by what is in stock.
FAQs - Therma-Tru Windows & Doors Service in Weston
No. We are an independent Therma-Tru service provider, not a dealer or authorized warranty agent. Our expertise comes from field experience on hundreds of Therma-Tru Windows & Doors in Southwest Ranches, FL and across South Florida, supported by manufacturer technical literature and OEM-compatible parts sourcing. We do not represent Therma-Tru in warranty claims, though we document our work thoroughly so you have evidence if you pursue a manufacturer warranty directly.
Yes, if the door slab and frame are structurally sound and the impact rating is intact. We measure the exact insert size, verify the original NOA marking, and source a replacement that matches the thermal and impact performance of the original. In Weston, we also check your HOA’s architectural guidelines for allowable grille patterns and tints before ordering. Call (754) 812-9260 and we will inspect the door to confirm whether insert-only replacement is viable.
It is usually long-term UV and humidity exposure, not a single storm event. The fiberglass skin develops stress cracks at the lock block and hinge stile after years of thermal cycling in South Florida’s climate. These cracks let water into the core, causing delamination. Whether this is a manufacturer defect depends on age, installation conditions, and maintenance history. We assess the crack depth, core condition, and impact rating status, then give you a written scope with photos so you can decide whether to repair, replace, or pursue a warranty claim with Therma-Tru directly.
Yes. Every replacement entry door we install in Weston carries a current Miami-Dade Notice of Acceptance or Florida Product Approval for High Velocity Hurricane Zone compliance. We pull the Broward County permit, provide the product approval documentation, and schedule inspection. Weston HOAs often add their own frame color, tint, and grille requirements, so we coordinate that three-way approval - code, HOA, homeowner - before ordering. Call (754) 812-9260 to schedule a measured survey and written quote.
We check three things: whether the sill pan itself is intact, whether the subfloor beneath shows moisture damage, and whether the door frame foot has rotted or corroded. A threshold replacement solves it when the pan drains properly and the frame is sound. Full frame replacement becomes necessary when water has compromised the structural members or the impact rating of the frame assembly. We use a moisture meter and borescope inspection to show you exactly what we found - evidence, not opinion. Call (754) 812-9260 for a free inspection.
Clean and lubricate the multi-point lock mechanism annually with a silicone-based product, not WD-40 which attracts dust. Inspect the threshold sealant every spring after storm season - Weston’s sustained humidity breaks down sealant faster than inland Florida. Check the door bottom and sill pan for standing water after heavy rains; the Everglades-adjacent moisture here keeps weep systems working overtime. Re-paint or re-stain fiberglass skins every five to seven years before the factory finish degrades to bare substrate. And do not ignore hairline cracks - they never stay hairline in this climate. Call (754) 812-9260 if you want us to inspect and document current condition.
Therma-Tru entry door repairs in Weston typically range from $280 for a multi-point lock replacement to $1,400 for a full threshold and sill pan rebuild with frame foot repair. Full Therma-Tru impact-rated entry door replacement, including permit, inspection, and installation, generally runs $3,200 to $6,800 depending on size, glass package, and hardware configuration. Custom arched or double-door units in Weston’s larger homes can exceed that range. We provide a written line-item quote before any work starts - the measured survey you keep and the final invoice are the same document. Call (754) 812-9260 for your exact quote; estimates are free.
Book Your Therma-Tru Service in Weston, FL

Call (754) 812-9260 to schedule your free estimate. A live person answers, 24/7. We will send a background-checked, uniformed technician with license number confirmed, conduct a measured survey you keep, and provide a written price before any work starts. Every job carries our 365-Day Done Right Promise and leaves a documented photo record. We have worked on Therma-Tru doors across Weston since 2012, and we will tell you honestly what your door needs.
Written by Sonia Raman, Owner at Sightline Windows & Doors Weston, serving Weston and Broward County since 2012.










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