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Therma-Tru Windows & Doors in Westchester, FL | Winslow Windows & Doors
We’re Winslow Windows & Doors, and we provide independent Therma-Tru service across Westchester, FL. Most Therma-Tru doors fail here for one reason: Miami-Dade’s HVHZ codes and salty, humid air are brutal on fiberglass skins, thresholds, and roller bearings. Since 2011, we’ve repaired and retrofitted Therma-Tru units in Westchester’s CBS homes, and we do it without hiding behind a manufacturer authorization claim. Call (863) 251-5864 for a straight answer and a free estimate.
Why Westchester Residents Choose Us for Therma-Tru Service
Ed Winslow put his name on this business in 2011, and after 15 years of working on Therma-Tru doors in Westchester, our crew can spot a failing threshold or a seized SlimLine roller from the truck. Ed learned the trade hands-on through Miami Dade College’s Building Construction Technology program, then spent years in the field before putting his own name on the door. Since then, we’ve worked on Therma-Tru units from classic Fiber-Classic entry doors to modern SlimLine sliders, translating Miami-Dade HVHZ codes into real-world repairs and retrofits.
We’re local to Westchester. We know the 1950s and 1960s CBS ranch homes, the non-standard rough openings, and the way salt-laden air corrodes hardware even 8 miles inland. We use genuine Therma-Tru replacement parts when structural integrity or water intrusion is on the line, and we stock common components locally so we’re not waiting on a distributor in Texas. When you call, a live person answers. Every technician is background-checked and uniformed. And our Therma-Tru sales & service work is backed by the 36500-Day Done Right Promise: if it’s not done right, we make it right.
Common Therma-Tru Windows & Doors Problems We Solve in Westchester
- Hairline cracks along the bottom rail of fiberglass door skins. Westchester’s UV intensity and monsoon-driven humidity cycles stress Therma-Tru fiberglass at weak points. We see cracks forming where the skin meets the bottom rail on west-facing doors. Water wicks into the polyurethane core and you get rot you can’t see until the door feels soft. We replace the skin with a genuine Therma-Tru part and re-seal the threshold correctly.
- SlimLine sliding door rollers seizing in the track. Salt-laden air accelerates corrosion on the steel roller bearings, even this far inland. A SlimLine that slides like it’s dragging a cinder block usually means the rollers are shot or the track is pitted. We clean the track, replace rollers with corrosion-resistant hardware, and adjust the frame.
- Weatherstripping compressing permanently within 2-3 seasons. Constant heat and humidity cycling breaks down the air seal on Therma-Tru entry doors fast. You’ll feel warm air leaking around the door edges and see higher AC bills. We replace compressed weatherstripping with a fresh OEM-compatible seal rated for Miami-Dade’s climate.
- Thresholds warping upward on west-facing doors. This is a Westchester signature problem. Older Fiber-Classic installations on CBS homes get direct afternoon sun, the aluminum threshold bows, and the door won’t latch. Re-shimming sometimes works, but we usually recommend a full stainless steel threshold replacement and re-anchoring to the concrete block.
- Failed multi-point locksets and hinge hardware. Humidity and salt attack hinge pins and lock mechanisms. A door that won’t stay latched is a security issue, not a nuisance. We install quality aftermarket hardware when the OEM part is discontinued or doesn’t address the HVHZ retrofit need, and we’ll tell you honestly when a new impact-rated door makes more sense than repeated patches.
Therma-Tru Service in Westchester: What Local Conditions Mean for Your Equipment
Here’s the one fact that shapes every Therma-Tru retrofit in Westchester: the original CBS homes here often have 32-inch rough openings instead of the modern 36-inch standard. That means a Therma-Tru retrofit almost always requires full-frame demolition and masonry re-anchoring, a condition you won’t find in newer subdivisions just 20 miles north in Broward County. Our crew has opened up plenty of Westchester doorways off SW 16th Street near Tropical Park and found exactly this: a narrow concrete opening, original framing that predates any Impact Windows in Westchester requirement, and stucco that needs careful patching once the new frame goes in. If you have a 1950s or 1960s CBS ranch in Westchester, budget for full-frame work, not just a slab swap.
Therma-Tru Models & Products We Service in Westchester
We service the full Therma-Tru lineup: Fiber-Classic entry doors, SlimLine sliding patio doors, Pulse series entry doors, and Benchmark by Therma-Tru doors. When structural integrity or water intrusion is involved, we use genuine Therma-Tru parts: skins, thresholds, weatherstripping, corner seals. We will install quality aftermarket hardware like multi-point locksets or hinges when the OEM part is discontinued or when it doesn’t address the HVHZ retrofit need. We always recommend replacement when your Therma-Tru unit no longer meets current Miami-Dade NOA requirements, or when repair costs exceed 50% of a new impact-rated door with modern glazing. For Westchester, we emphasize hurricane-proof front and entry doors, entry door repair, and full-frame replacement, because those are the jobs this housing stock actually needs.
Therma-Tru Service Pricing in Westchester
Door service in Westchester runs from $125 for simple roller or weatherstripping replacement up to $2,500 or more for a full-frame impact-rated Therma-Tru retrofit with masonry anchoring. Here’s a practical breakdown:
- Roller replacement (SlimLine slider): $125 – $225
- Weatherstripping replacement (entry door): $95 – $175
- Threshold replacement (fiberglass door): $225 – $450
- Fiberglass skin repair (bottom rail crack): $300 – $600
- Full-frame Therma-Tru impact door replacement (32-inch CBS opening): $1,800 – $3,200
Every estimate is a written line-item quote with fixed pricing. No change orders, no vague allowances. We offer $40 off any repair over $200, a free second opinion on any written estimate, and no trip charge inside our home county. Seniors and veterans get a permanent 10% discount. Call (863) 251-5864 for an exact quote. Estimates are free.
Serving Westchester, FL - Our Local Coverage Area
We’re based in the Westchester 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 Westchester
Usually you need a full replacement. Retrofitting an older Fiber-Classic door to meet current Miami-Dade NOA impact standards almost always requires a new impact-rated slab, new frame, new anchoring, and new glazing if the door has glass. Patching an existing non-impact slab won’t pass a wind-mitigation inspection, and Westchester insurers know the difference. We’ll inspect your door and tell you straight whether retrofit or replacement is the right call. Call (863) 251-5864 for a free assessment.
Salt-laden air from the coast corrodes the steel roller bearings inside the track, even 8 miles inland in Westchester. The bearings seize, the rollers drag, and the door fights you every time. We replace the rollers with corrosion-resistant hardware, clean and align the track, and adjust the frame so it glides again. If it’s been neglected too long, the track itself may need replacement. Call (863) 251-5864 and we’ll diagnose it.
Yes. Westchester sits inside Miami-Dade County’s HVHZ, and any exterior door work that touches the opening, frame, or anchoring requires a permit and a Miami-Dade NOA on the product. A slab-only swap that keeps the existing frame still needs product approval documentation. We pull permits, pass inspections, and hand you the paperwork. The job isn’t done until the inspector signs off.
Westchester’s heat and humidity cycle every day of the year, and that constant expansion and contraction compresses Therma-Tru weatherstripping permanently in 2-3 seasons. When the seal flattens, you lose the air barrier, and your AC bill climbs. We replace it with an OEM-compatible seal rated for Miami-Dade’s climate. It’s a fast fix. Call (863) 251-5864 for a quote.
No. A modern Therma-Tru frame won’t fit a 32-inch rough opening without full-frame demolition. We remove the old frame, re-anchor the new HD composite jambs to the concrete block with approved masonry fasteners, flash to Miami-Dade NOA specs, and patch the stucco cleanly. This isn’t a novelty in Westchester Window Installation, it’s the standard job. We’ve done it on 1960s CBS ranches all over the neighborhood, and the stucco patch blends in.
Service Areas Near Westchester
Our crews cover Westchester service area and the surrounding neighborhoods: Miami, Coral Gables, South Miami, Kendall, and Tamiami. We also handle Therma-Tru service in Miami and Therma-Tru service in Coral Gables for homeowners just outside our core Westchester route.
Book Your Therma-Tru Service in Westchester Today
Call (863) 251-5864 and talk to a live person, any hour. We’ll schedule your free estimate, show up on time, and give you a written line-item quote with no pressure. Ed’s name is on the business. That means the job doesn’t end when we pull out of your driveway.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving Westchester since 2011.
Six Reasons Homeowners Choose Winslow 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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