Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Therma-Tru Windows & Doors in Delray Beach, FL | Sightline Windows & Doors Boynton Beach
Independent Therma-Tru service across Delray Beach runs $180-$850 depending on whether you need hardware replacement, seal repair, or full slab-and-frame replacement. What makes our work here different is the dual-compliance reality: Delray Beach’s Historic Preservation Board can reject a door for its panel profile while Palm Beach County’s wind-load code rejects it for insufficient impact rating, and we spec Therma-Tru units that clear both. Call (561) 421-3844 to schedule your free measured survey - the written quote you receive is the same document our crew works from.
We are not a Therma-Tru authorized dealer. We are an independent window and door company whose technicians have installed, repaired, and retrofitted Therma-Tru door systems and fiberglass entry units across coastal Palm Beach County since 2012. Our Therma-Tru sales & service credibility comes from pattern recognition in the field, not from any manufacturer affiliation.
Why Delray Beach Residents Choose Us for Therma-Tru Service
Sonia Raman, our owner, grew up in Miami and learned glazing and frame installation through the building trades program at Miami Dade College before spending two decades on actual job sites. She keeps a running list of every window she has ever had to pull and replace because a previous installer used the wrong sealant. It is longer than she would like. That list is why she checks her own crew’s caulk joints before any truck leaves a site.
Measure it right the first time and the install is already half done.
In Delray Beach specifically, that measured survey matters more than in most markets for Impact Windows & Doors in Delray Beach. The east-side neighborhoods around Lake Ida and the barrier island east of A1A contain 1950s-1970s CBS ranch homes and pre-war frame beach cottages with original aluminum jalousie windows, single-pane sliders, and hollow-core exterior doors. None of these meet current Florida Building Code impact requirements. Western Delray’s 1990s-2000s HOA gated communities add a second layer: association approval processes governing product color, profile, and style. We have worked both sides of Delray Beach long enough to know which Therma-Tru finishes pass which HOA architectural committees, and which slab profiles the Historic Preservation Board has already approved.
Our Delray Beach service area coverage includes same-day response for hardware failures and weather-seal breaches during active tropical systems, though full-frame replacements follow our standard measured-survey-to-installation sequence. Every technician is background-checked, uniformed, and identified by license number before arrival. Every job carries the 365-Day Done Right Promise stamped under the Haven Standard, plus a documented photo record you receive at completion.
Common Therma-Tru Windows & Doors Problems We Solve in Delray Beach

- Salt-air corrosion of hinges, sill covers, and multipoint hardware on A1A-corridor homes. Even fiberglass slabs outlast their steel and plated hardware components. The direct Atlantic exposure east of Federal Highway accelerates this corrosion cycle dramatically. We stock Therma-Tru OEM replacement hinges and multipoint hardware sets because aftermarket hardware often will not align with Therma-Tru’s pre-drilled stile geometry.
- Fiberglass slab surface ‘print-through’ or hairline cracking at stile-and-rail joints after UV and humidity cycling. Common on Classic-Craft and Smooth-Star doors facing west or south in Delray Beach’s intense solar exposure. The fiberglass skin separates from the core material, creating visible cracks that collect moisture and compromise the door’s structural integrity.
- Bottom sweep and sill/threshold seal failure letting wind-driven rain past the door during tropical systems. This defeats the impact rating of the assembly even when the glass unit itself is intact. We see this repeatedly on Delray Beach homes where the original sweep has compressed or the sill cap has corroded through.
- Improperly shimmed or settled frames in 1950s-1970s CBS block walls causing doors to rack, bind at the lockset, and lose weatherstrip contact. A common callback on east-side Delray Beach retrofits where the original block opening was out of square. Our crew reframes the rough opening when needed rather than forcing a standard slab into a non-standard hole.
- Delaminated door slabs or cracked joints where honest repair is not possible. When the fiberglass skin has separated from the core or the frame has lost its impact-rated glazing seal, we tell the homeowner it is a full replacement and quote it that way. No partial fixes that fail inspection.
Before
AfterTherma-Tru Service in Delray Beach: What Local Conditions Mean for Your Equipment
Delray Beach’s designated historic districts, including the Old School Square area and the Marina Historic District, require window and door replacements to pass Historic Preservation Board review for period-appropriate profiles and materials, while simultaneously satisfying Palm Beach County’s Florida Building Code impact-resistance mandates. This dual compliance challenge fundamentally differs from the straightforward tract-home impact-window swaps common in neighboring Boynton Beach or western Boca Raton.
For Therma-Tru owners, this means a door selected for a 1950s CBS ranch east of Federal Highway must carry the impact rating the wind-load code demands, typically 160-175 mph depending on coastal proximity, while presenting a panel profile and finish the Preservation Board recognizes as appropriate to the structure’s era. We have specified Therma-Tru Smooth-Star and Fiber-Classic collections for these applications because their slab geometries and available finishes bridge that gap. The Benchmark line, while code-compliant, often reads as too contemporary for Marina Historic District review.
The jalousie window bays on older beachside cottages east of A1A present a parallel trap: narrow openings originally sized for louvered blades rather than standard sash. Out-of-area contractors who quote standard replacement pricing frequently discover the non-standard dimensions on-site. We measure first. The measured survey you keep documents every rough-opening dimension before any order is placed.
Therma-Tru Models & Products We Service in Delray Beach

We work across the full Therma-Tru residential line: Smooth-Star fiberglass entry doors, Classic-Craft American Style premium fiberglass doors, Fiber-Classic collection, and Benchmark fiberglass entry doors. Our Delray Beach warehouse stocks OEM replacement sills, sweeps, hinges, and multipoint hardware for the Smooth-Star and Fiber-Classic families, the two most common in this market.
When a slab is sound but hardware has corroded, we replace with Therma-Tru OEM parts. Aftermarket hinges and multipoint locks often will not seat correctly in Therma-Tru’s pre-drilled stile geometry, and the misalignment shows up six months later as binding or weatherstrip gap. When the slab itself is delaminated or the frame has lost its impact seal, we quote full replacement with a new unit specified to the opening’s exact dimensions and the home’s compliance requirements.
Our entry door, hurricane-proof front and entry door, and full frame replacement services cover each scenario. Every quote is written line-item before any work starts. The measurement and the quote are the same document.
Therma-Tru Service Pricing in Delray Beach
| Service | Price Range |
|---|---|
| Hardware replacement (hinges, multipoint lock, handle set) | $180-$340 |
| Sill/sweep replacement and weatherstrip seal repair | $220-$420 |
| Slab replacement in existing frame (impact-rated glass) | $680-$1,200 |
| Full frame replacement with rough-opening modification | $1,400-$2,800 |
| Historic district compliance review documentation | No additional charge |
What drives cost: the condition of the existing frame, whether the rough opening needs modification for a standard slab or a custom-sized unit, and the impact-rated glass specification required by your home’s wind-load zone. Homes east of A1A in the highest velocity zone require heavier glazing and hardware, which adds material cost. Homes in historic districts may require custom finishing or profile matching, which adds labor.
Every free estimate includes the measured survey you keep, a written line-item scope, and our documented photo record at completion. Call (561) 421-3844 for an exact quote - estimates are free, and the price we write is the price you pay.
Serving Delray Beach, FL - Our Local Coverage Area

We’re based in the Delray Beach area and know this community well, offering our Window Replacement in Delray Beach. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Therma-Tru Windows & Doors in Delray Beach
Yes, with the right model selection and documentation. Therma-Tru’s Smooth-Star and Fiber-Classic collections offer panel profiles and finishes that the Delray Beach Historic Preservation Board has approved for 1950s-era and pre-war structures, while the fiberglass slab and impact-rated glass assembly meet Palm Beach County’s 160-175 mph wind-load code. We submit the product data sheet and finish sample with your application. Call (561) 421-3844 to review which Therma-Tru units have already cleared review for your district.
Direct Atlantic Ocean exposure subjects aluminum frames, plated steel hardware, and glazing seals to aggressive salt-air corrosion that dramatically shortens product lifespan. Even marine-grade finishes degrade faster here than inland. The fiberglass slab itself is impervious to salt, but the operating hardware is not. We specify non-aluminum hardware and replace corroded components with Therma-Tru OEM parts that maintain the factory alignment. Call (561) 421-3844 for a hardware inspection.
Often yes, but it requires custom sizing or rough-opening modification. Original jalousie bays east of Federal Highway were built for louvered blades, not standard sash widths. We have reframed these openings to accept Therma-Tru custom-width units and, in some cases, specified narrow-profile impact-rated sidelights to fill the bay without structural modification. The measured survey determines which path works. Call (561) 421-3844 to schedule measurement.
It narrows the finish and profile options, but does not exclude Therma-Tru. Most western Delray HOAs approve Smooth-Star and Benchmark lines in neutral or earth-tone finishes; some restrict panel profiles to six-panel or shaker-style designs. We maintain a record of which Therma-Tru finishes have passed which HOA architectural committees and can spec accordingly. The impact rating is non-negotiable under county code, so the HOA cannot approve a non-compliant unit. Call (561) 421-3844 to confirm your association’s approved list.
Repair makes sense when the slab and frame are structurally sound and only hardware, sweep, or seal has failed. Replace when the fiberglass skin has delaminated, stile-and-rail joints have cracked from UV and humidity cycling, or the frame has lost its impact-rated glazing seal. In Delray Beach’s salt-air and high-UV environment, slab delamination tends to accelerate once it starts; a repair that patches the symptom leaves the underlying failure. We tell you which category your door falls into and quote accordingly. Call (561) 421-3844 for an honest assessment - estimates are free.
Service Areas Near Delray Beach

We provide Therma-Tru service in Boynton Beach to the north, including residential retrofits along the Intracoastal waterways near Boynton Harbor Marina where salt air and wind load specs mirror Delray Beach’s demands. Therma-Tru service in Lantana covers the barrier island and mainland corridors between Boynton Beach and Lake Worth. We also work in Lake Worth, Greenacres, and Palm Springs for homeowners whose properties fall within Palm Beach County’s design wind speed zone and need impact-rated door systems that meet the same code requirements as Delray Beach installations.
Book Your Therma-Tru Service in Delray Beach Today
Call (561) 421-3844 to schedule your free measured survey. A live person answers, 24/7. You will receive a written line-item quote before any work starts, and the documented photo record when the job is done. The 365-Day Done Right Promise applies to every installation under the Haven Standard.
Written by Sonia Raman, Owner at Sightline Windows & Doors Boynton Beach, serving Delray Beach since 2012.










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