Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Why Boca Raton Homeowners Choose Therma-Tru Windows & Doors
We provide independent Therma Tru service in Boca Raton, FL, diagnosing and repairing Fiber-Classic, Smooth-Star, Traditions, Pulse, and Benchmark systems with OEM-spec and quality aftermarket parts. Our work is governed by the Haven Standard: a written price before any tool is lifted, a documented photo record when the job is done, and the 365-Day Done Right Promise stamped on every invoice. We are not affiliated with or authorized by Therma-Tru.
Call (561) 200-8592 to schedule your free estimate.
Therma-Tru’s fiberglass entry door technology, first developed in the 1980s, solved a problem that still matters in Boca Raton: wood doors that rot and steel doors that dent and rust. The Fiber-Classic and Smooth-Star collections use compression-molded fiberglass skins over a polyurethane core, giving you the grain texture of wood with none of the moisture absorption. In a market where Atlantic salt air eats metal and summer humidity swells everything else, that material choice is why Therma-Tru remains specified in so many of Boca Raton’s HOA-governed communities.
But the product is only as good as our Window Installation services and the service that follows it. We’ve worked on Therma-Tru units that were hung perfectly and others that were shimmed into an out-of-square rough opening by a previous contractor. The difference shows up five years later in cracked lock blocks, binding multi-point locks, and daylight gaps where weatherstrip has compressed past recovery. We fix what can be fixed and tell you straight when replacement is the better spend.
Boca Raton’s concentration of master-planned communities - Boca West, Broken Sound, Woodfield Country Club, Boca Pointe, and dozens more - adds a layer of process to every window and door job. Architectural Review Committee approval comes before permit filing, with each community maintaining its own approved product lists, frame color restrictions, and submittal timelines. In Broken Sound, we’ve seen ARC review add four to eight weeks to a job, and the committee routinely mandates bronze or white frames while prohibiting decorative grids. Contractors who order product before clearing ARC submittal frequently face expensive change orders or full rejection. We build that timeline into our planning so you’re not paying storage fees on a door that can’t be installed yet.
Layered on top, Florida’s property insurance crisis has made full-house impact-glass upgrades a financial imperative for Boca Raton’s high-value homeowners, who can recover thousands annually in wind-mitigation premium discounts. This market is simultaneously the most bureaucracy-heavy and ROI-driven in Palm Beach County. Therma-Tru’s impact-rated entry and patio door options, where specified with appropriate glass packages, can factor into those mitigation credits - but only if the installation is documented and inspected correctly.
Why Trust Sightline Windows & Doors Boca Raton for Your Therma-Tru Windows & Doors?
Our technicians have worked on Therma-Tru products across Palm Beach County, including Therma Tru in Delray Beach, since we opened in 2012. Sonia Raman, who leads Sightline Windows & Doors Boca Raton, learned the glazing trade at Los Angeles Trade-Technical College and has spent the better part of two decades measuring, ordering, and hanging windows and doors across South Florida. She and her crew have worked jobs throughout Boca Raton, including a run of impact-rated sliding door replacements in the Broken Sound neighborhood. She keeps a running log of every unit installed: brand, glass package, U-factor, date, and customer name, because a warranty conversation five years out goes better when you have the paperwork.
That specificity matters with Therma-Tru because the product line is broad and the failure modes are predictable once you’ve seen enough of them. We know that Fiber-Classic lock blocks crack when the door is over-tightened into a twisted frame. We know that Traditions weatherstrip flattens faster on south-facing doors in Boca Raton’s UV load. We know that Pulse patio door multi-point locks bind because the rail sags, not because the lock mechanism is defective. This is the difference between a technician who replaces parts and one who diagnoses systems.
We are an independent service provider, not a Therma-Tru dealer or authorized representative. That means we have no incentive to steer every service call toward a full door replacement. If your slab and frame are sound and the problem is hardware or sealing, we repair it. If the stile is soft or the glass seal has failed, we tell you honestly that replacement is the better spend. Our pricing is written before work starts - Haven Clause 1 - and the measurement and the quote are the same document.
Every technician is background-checked, uniformed, and identified by license number before arrival - Haven Clause 3, Verified Crews. Every completed job leaves a documented photo record and carries the 365-Day Done Right Promise: if it’s not done right, we make it right. Not a courtesy. A clause.
Measure it twice, write it down, then we can talk price.
Common Therma-Tru Windows & Doors Problems We Fix in Boca Raton

- Hairline cracks at the lock block on Fiber-Classic and Smooth-Star slabs. The fiberglass skin is strong, but the lock block area concentrates stress from latch and deadbolt hardware. When a door is forced into an out-of-square frame or over-tightened at the hinges, the skin cracks along the lock block and moisture wicks into the polyurethane core. The stile swells, the door sticks, and the interior jamb stains. We’ve pulled Fiber-Classic doors in Boca Raton where the core was saturated and the crack had propagated two inches from the hardware bore. The repair is resealing the block, replacing the weatherstrip, and correcting the frame - not automatically replacing the slab.
- Weatherstrip and corner seal failure on Traditions entry doors. The premium compression seals on Traditions (formerly Classic-Craft) doors flatten after years of Florida UV exposure and cyclic humidity. On east- and south-facing doors, especially within a mile of the Atlantic, we’ve measured corner seals compressed to half their original height. Daylight shows at the hinge side, water follows during a driving rain, and the interior trim starts to discolor. We stock OEM-spec weatherstrip kits and corner seals for this exact repair.
- Multi-point lock binding on Pulse patio and French doors. The hardware is not defective. The rail sags or the frame settles, and the shoot bolts no longer align with their strikes. Homeowners replace the entire lock assembly twice before someone measures the rail deflection. We were called to a Boca Raton home where a Pulse patio door had a dead multi-point lock that turned out to be a bent shoot bolt from a misaligned rail, which we corrected instead of selling a whole new door. The fix is rail realignment and bolt replacement, not a $2,000 door order.
- Finish delamination and salt-air pitting on factory-painted slabs. Therma-Tru’s factory paint is durable but not impervious to Boca Raton’s salt air, particularly on south- and east-facing doors that catch the onshore flow. We’ve seen pitting on Smooth-Star units within five years of installation in oceanfront homes. The fiberglass substrate doesn’t rust, but the cosmetic damage triggers ARC violation notices in HOA communities and accelerates UV degradation of the resin beneath. We assess whether spot repair, full refinishing, or slab replacement is the appropriate spend.
- Glass seal failure in Therma-Tru door lites and sidelites. The insulated glass units (IGUs) in Therma-Tru door systems can develop seal breaches, showing fog between the panes or mineral staining at the edge. This is not a door problem; it’s a glass problem. We can replace the IGU or the full glass cassette without disturbing the slab or frame, provided the glazing bead and stops are intact. In Boca Raton’s high-humidity environment, seal failure is more common than in drier climates, and we factor that into our repair-vs-replace recommendation.
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AfterTherma-Tru Parts & Our Repair-vs-Replace Approach
We use OEM-spec Therma-Tru replacement parts where they exist - lock blocks, weatherstrip kits, sill caps, glass cassettes - and quality aftermarket hardware where OEM is discontinued or priced beyond the value of the repair. Our truck stock in Boca Raton includes common Fiber-Classic and Smooth-Star weatherstrip profiles, multi-point lock components for Pulse systems, and corner seal kits for Traditions doors. What we don’t carry, we source with a 24- to 48-hour turnaround from regional distributors.
The repair-vs-replace decision is straightforward once we have the door off the hinges and the trim removed. If the slab and frame are sound and the problem is hardware or sealing, we repair. If the stile is soft from moisture intrusion, the glass seal has failed with frame damage, or the slab has been refinished twice already and the fiberglass is showing weave, we tell you honestly that replacement is the better spend. We write both prices when the situation is borderline, so you have the numbers in hand. Haven Clause 1: the price is written before any work starts.
Call (561) 200-8592 for a free estimate - we’ll diagnose the problem and give you both options if both exist.
Our Therma-Tru Service Process - Step by Step

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Measured survey and diagnosis. We inspect the door in place, then remove it if needed to assess the frame, sill, and rough opening. For Therma-Tru units, we check lock block integrity, weatherstrip compression, rail alignment on patio doors, and glass seal condition. You receive a copy of the measured survey and a written scope with line-item pricing.
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Repair or installation with documented evidence. We perform the agreed work using OEM-spec or quality aftermarket parts, photograph each stage, and record product details - model, glass package, U-factor, date - in our installation log. This documentation travels with the job.
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Operational testing and adjustment. Every repaired or installed Therma-Tru door is tested for latch engagement, deadbolt throw, multi-point lock alignment (where fitted), weatherstrip compression, and sweep contact. We adjust hinges, strikes, and sills to factory spec.
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Warranty documentation and photo record delivery. You receive the completed Haven Standard packet: written invoice matching the quoted scope, dated photo record, and the 365-Day Done Right Promise. If the same problem returns within a year, we make it right.
Therma-Tru Products We Service & Install in Boca Raton
We service and install the full Therma-Tru residential line: Fiber-Classic and Fiber-Classic Oak Collection entry doors; Smooth-Star Collection entry doors and sidelites; Traditions Collection (formerly Classic-Craft) premium entry doors; Pulse and Benchmark series patio and French door systems. We also handle hurricane-proof front and entry door upgrades with impact-rated glass packages, and French and double door configurations for larger openings common in Boca Raton’s custom homes along the Intracoastal.
Our local stock covers common Therma-Tru hardware, weatherstrip, and seal components. Non-standard sizes and custom glass packages typically require four to six weeks from order to delivery, plus ARC submittal time in HOA-governed communities.
We Also Service These Brands

Our eight verified manufacturer lines let us specify by what the opening requires, not by what is in stock: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. If your project involves multiple brands or you’re comparing options, we provide the same written pricing and documented process across every product line.
FAQs - Therma-Tru Windows & Doors Service in Boca Raton
No. We are an independent service provider, not affiliated with or authorized by Therma-Tru. We diagnose and repair what we find rather than steering every call toward a full replacement, and we use OEM-spec and quality aftermarket parts as appropriate. Our independence means no manufacturer-mandated sales quotas or replacement thresholds.
We use OEM-spec Therma-Tru replacement parts where they exist and where pricing is reasonable - weatherstrip kits, lock blocks, sill caps, glass cassettes. Where OEM parts are discontinued or overpriced relative to the repair value, we use quality aftermarket hardware that meets or exceeds original specifications. We document what goes on your door and guarantee the work regardless of source.
Most repairs - weatherstrip replacement, lock adjustment, hinge realignment, glass cassette swap - are completed in two to four hours on site. Parts we stock locally ship same-day or next-day. Custom glass or special-order hardware typically adds four to six weeks. In Boca Raton’s HOA communities, ARC submittal and approval add four to eight weeks before permit filing can even begin. We build this into our timeline so you’re not paying for stored product.
We service and install Fiber-Classic and Fiber-Classic Oak Collection, Smooth-Star Collection, Traditions Collection (formerly Classic-Craft), Pulse series patio and French doors, and Benchmark series systems. If you have a discontinued model or a builder-specific variant, we can usually source compatible parts once we identify the production year and hardware configuration.
Therma-Tru’s limited warranty covers manufacturing defects, not installation or service by third parties. Using an independent service provider does not automatically void a valid manufacturing defect claim, but damage caused by improper service or non-compatible parts would not be covered. We use parts and methods that preserve your eligibility for legitimate manufacturing claims, and we document everything in case you need to file.
Often yes, if the crack is caught before moisture has saturated the core. We remove the door, assess the lock block and stile integrity, reseal the block with compatible material, replace the weatherstrip, and correct any frame or hinge issues that caused the stress concentration. If the core is soft or the crack has propagated beyond the hardware bore, we tell you the slab needs replacement. Call (561) 200-8592 for an exact assessment - estimates are free.
Humidity swells the interior jamb and trim more than the fiberglass slab, but the real culprit is usually a compressed or displaced corner seal that lets moisture into the frame pocket, or a lock block that has absorbed water and expanded the stile. Hinge adjustment alone won’t fix a swollen stile or a frame that has settled out of square. We diagnose the actual cause rather than repeating the same adjustment. Call (561) 200-8592 and we’ll pull the door to find out.
Yes, if the glazing system is intact. Traditions doors use removable stops and glazing beads that allow IGU or full cassette replacement without disturbing the slab. We measure the daylight opening, order the replacement to specification, and install with new setting blocks and sealant. This is typically one-third to one-half the cost of full door replacement. Call (561) 200-8592 for a written quote - estimates are free.
Probably not. In our experience, Pulse multi-point locks fail to throw fully because the rail has sagged or the frame has settled, misaligning the shoot bolts with their strikes. Replacing the lock assembly twice without addressing rail deflection is a common and expensive mistake. We measure rail alignment, correct the deflection, and replace only the bent or worn components. Call (561) 200-8592 for diagnosis - we’ll tell you if it’s the lock or the alignment.
Both, depending on availability and value. We prefer OEM-spec parts for weatherstrip, seals, and glass cassettes where the fit is critical. For discontinued hardware or where OEM pricing exceeds the repair value, we use quality aftermarket components that we have field-tested for compatibility and durability. Every part is documented on your invoice. Call (561) 200-8592 if you want to discuss the specific parts for your repair - estimates are free.
Therma Tru repair in Deerfield Beach and Therma-Tru entry door installation in Boca Raton typically ranges from $1,800 to $4,500 depending on the collection (Smooth-Star at the lower end, Traditions at the higher), glass package, and whether the rough opening needs reframing. Patio door systems run $2,800 to $6,500. Repairs - weatherstrip, hardware, glass cassette replacement - generally fall between $180 and $680. HOA submittal fees, permit costs, and impact-glass upgrades are additional and vary by community. We provide written line-item quotes with no change orders once approved. Call (561) 200-8592 for an exact quote - estimates are free.
Book Your Therma-Tru Service in Boca Raton, FL

Call (561) 200-8592 to schedule your free estimate. A live person answers, 24/7. We’ll send a technician with a measured survey, diagnose your Therma-Tru door or window, and give you a written price before any work starts. Every job carries the 365-Day Done Right Promise and leaves a documented photo record. Haven Clause 1: the measurement and the quote are the same document.
Written by Sonia Raman, Owner at Sightline Windows & Doors Boca Raton, serving Boca Raton since 2012.










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