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Therma-Tru Windows & Doors in Boynton Beach, FL | Sightline Windows & Doors Lantana
Boynton Beach Window Replacement for Therma-Tru entry doors and windows runs $180-$650 depending on whether we’re re-glazing a glass insert, re-hanging a sagging slab, or replacing a moisture-damaged frame. What makes our work here different is the dual-approval reality: every replacement east of the Intracoastal Waterway must clear both Florida Product Approval and condo association sign-off, a combination that shapes every product choice we recommend. Call (561) 461-2062 to schedule a free measured survey, and we’ll hand you the written price before any work starts.
Why Boynton Beach Residents Choose Us for Therma-Tru Service
We’ve worked on Therma-Tru fiberglass door systems across coastal Palm Beach County long enough to know how their multi-point lock geometries and adjustable hinge ranges behave when salt air gets into the mechanism. Sonia Raman, who leads our crew, learned to read a rough opening at Los Angeles Trade-Technical College before she ever measured a door in South Florida. That training shows up in how we document every job: the measured survey you keep, the written scope that matches it, and the photo record we leave behind.
As an independent Therma-Tru sales & service provider, we are not affiliated with, endorsed by, or authorized by Therma-Tru. We diagnose with OEM-grade parts when they’re available, and we tell you honestly when aftermarket hardware makes more sense. Our technicians are background-checked, uniformed, and identified by license number before arrival, per Haven Clause 3. The price we write down is the price you pay, because Haven Clause 1 says the measurement and the quote are the same document.
We serve Boynton Beach service area homes from the Chapel Hill corridor to the Century Village complexes, and we understand the permitting path here. Palm Beach County’s high-wind zone means every window and door replacement carries scrutiny. We pull permits, pass inspections, and leave documentation that satisfies both the city building department and your association board.
Common Therma-Tru Windows & Doors Problems We Solve in Boynton Beach

- Corroded bottom rails and multi-point lock strikes on east-facing doors. Boynton Beach sits three to four miles from the Atlantic, and salt-laden air attacks aluminum and steel hardware faster than inland owners expect. We replace Therma-Tru multi-point lock strikes and install stainless hinge screws on coastal exposures, then document the hardware specs for your association file.
- Factory finish failure on south- and west-facing fiberglass slabs. The sun here is relentless, and doors without overhang chalk, crack, or peel within five to seven years. We assess whether the fiberglass core is still sound, then refinish with marine-grade systems or recommend replacement if moisture has penetrated the slab.
- Glazing seal breakdown in door glass inserts. Humidity and thermal cycling fog the space between panes in Therma-Tru Premium and Heirloom glass options. We source factory glazing when possible, or fit compatible impact-rated inserts that carry Florida Product Approval for Boynton Beach’s wind zone.
- Frame warping around sidelites in 1990s-2000s western communities. Master-planned neighborhoods west of Boynton Beach Boulevard are hitting the age where original builder-grade installations shift out of square. Our field measurements catch rough-opening drift before we order, avoiding the change orders that trap unprepared homeowners.
- Moisture-swollen slabs in pre-hurricane-code condos. In Century Village and similar 1960s-1970s construction, decades of moisture intrusion have compromised door cores. We recently replaced a water-swollen Therma-Tru Fiber-Classic entry door in the Chapel Hill area near Boynton Beach Boulevard, where the original slab had absorbed enough moisture that the multi-point lock strike and hinge screws had pulled loose. After confirming Florida Product Approval for a new impact-rated Therma-Tru slab and glass insert, we field-measured the opening, shimmed the frame back to square, and installed new stainless hinge screws and a fresh sweep. The homeowner passed final inspection without a callback.
Before
AfterTherma-Tru Service in Boynton Beach: What Local Conditions Mean for Your Equipment
Any Therma-Tru entry door or French-door replacement east of the Intracoastal in Boynton Beach must clear both a Florida Building Code NOA or Florida Product Approval review and a separate condo association architectural-approval vote, which can add weeks to a project timeline. That dual gauntlet pushes most homeowners toward Impact Windows & Doors in Boynton Beach-factory-finished impact-rated door systems rather than field-glazed units. We learned this the hard way on a Century Village job where our first product selection cleared the state but failed the association’s color-and-hardware matching requirements. Now we run both approval tracks in parallel, submitting Therma-Tru factory finish samples and NOA documentation simultaneously so the association vote doesn’t stall the permit. For Boynton Beach owners, that means fewer surprises and a written timeline that accounts for both gates, not just one.
Therma-Tru Models & Products We Service in Boynton Beach

We work on the full Therma-Tru fiberglass entry door line: Smooth-Star (including Pulse and Benchmark series), Fiber-Classic, and Classic-Craft door slabs. For glass, we handle Premium and Heirloom door glass options with factory glazing, plus multi-point locking hardware and adjustable hinges across all lines. Our inventory for Boynton Beach includes common Therma-Tru sweep gaskets, hinge screws, and weatherstripping profiles, though we often custom-order glass inserts for impact-rated retrofits given the NOA specificity this market demands. When Therma-Tru has discontinued a part, we source high-grade aftermarket strikes and hinges that match the original geometry. We do not stock Therma-Tru product; we are an independent service and installation operation, not a dealer warehouse.
Therma-Tru Service Pricing in Boynton Beach
Our Therma-Tru work in Boynton Beach falls into three tiers:
- Service call and diagnosis: $180-$250. Includes measured survey, written findings, and photo documentation.
- Hardware adjustment, re-hang, or weatherstripping replacement: $250-$450. Covers multi-point lock realignment, hinge replacement, sweep installation, and frame shimming.
- Slab and glass insert replacement (impact-rated, with Florida Product Approval): $1,800-$4,200. Includes removal, rough-opening correction, new Therma-Tru slab and insert, permit, and inspection.
What drives cost: whether the rough opening is still square, whether the existing frame can be preserved, and whether the association requires specific finish or hardware matching. Every estimate includes the measured survey you keep, the written scope, and the photo record. No change orders once we start, because Haven Clause 1 says the quote and the measurement are the same document. Call (561) 461-2062 for your exact number, estimates are free.
Serving Boynton Beach, FL - Our Local Coverage Area

We’re based in the Boynton Beach 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 Boynton Beach
Yes. Palm Beach County’s high-wind zone requires either Florida Product Approval or Miami-Dade NOA for every exterior door replacement. We verify this before quoting and include the approval documentation in your permit packet. Call (561) 461-2062 and we’ll check the rating on your specific Therma-Tru model.
Salt corrosion on the multi-point lock strike and hinge screws is the usual cause, compounded by frame shift from moisture swelling in the slab. East-facing and canal-front exposures see this within six to ten years. We replace the hardware with stainless components and re-shim the frame to restore proper latch geometry. Call (561) 461-2062 for a diagnosis, estimates are free.
Often, yes, if the fiberglass slab is still sound and the frame hasn’t warped. We source Therma-Tru factory glazing when available, or fit Florida Product Approved impact-rated inserts that match the sightline and U-factor of the original. The measured survey tells us whether the opening is still square enough for a clean reglaze. Call (561) 461-2062 to schedule the survey.
We submit factory finish samples, hardware specifications, and NOA documentation simultaneously with the city permit application. Century Village’s architectural review typically takes two to four weeks, so we build that into the written timeline from day one. The homeowner receives copies of every submission for their board file. Call (561) 461-2062 and we’ll walk through the specific requirements for your building.
Repair makes sense when the slab core is dry, the frame is square, and only the finish or hardware has failed. Replacement is the better call when moisture has swollen the fiberglass, the multi-point lock pockets have stripped, or the frame has warped beyond the adjustable hinge range. We document both options in writing with line-item pricing. Call (561) 461-2062 for a free assessment.
Service Areas Near Boynton Beach

We run Therma-Tru service calls throughout central Palm Beach County, including Therma-Tru service in Lantana and Therma-Tru service in Lake Worth, plus Palm Springs, Greenacres, and the Palm Beach corridor. Each market has its own association rules and exposure conditions, and we adjust our product recommendations accordingly.
Book Your Therma-Tru Service in Boynton Beach Today
Call (561) 461-2062 to schedule your free measured survey. We’ll hand you the written price before any work starts, pull the permits, and leave a documented photo record when the job is done. That’s the Haven Standard, and it’s governed every one of our installations since 2012. Measure it right the first time. Everything after that is just paperwork.
Written by Sonia Raman, Owner at Sightline Windows & Doors Lantana, serving Boynton Beach since 2012.










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