Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
ES Windows Windows & Doors in Marathon, FL | TruePane Windows & Doors
We provide independent ES Windows service and replacement across Marathon, from Key Vaca’s ocean side to the Florida Bay shore, and also offer our Key Colony Beach Es Windows service. The honest truth about Marathon is this: nearly every ES Windows job here starts as a concrete-cutting and block-infill project, because those 1950s and 60s homes were framed around jalousie openings that will not accept a modern HVHZ impact unit without structural modification. Call (754) 238-2201 for a free estimate on ES Windows work in Marathon, and we’ll tell you what the opening needs before we ever talk product.
Why Marathon Residents Choose Us for ES Windows Service
Dale Kessler spent summers watching his father re-glaze storefronts along the Tamiami Trail, and that training taught him to read a rough opening slowly, without guessing. Our crews have rebuilt ES Windows systems through multiple direct-hit hurricanes and hundreds of Marathon salt-air retrofits, so we know exactly which frame corners fail first and which ES models survive a Marathon remodel. We’re an independent service provider, not a factory arm, which lets us choose the right marine-grade hardware and installation methods instead of pushing one product line. When a Marathon homeowner calls about a corroded ES-7000 frame or a fogged ES-8000 casement, we show up with the right parts and the right answer, on the first visit.
We are also ES Windows sales & service specialists serving the Florida Keys, which means the same people who inspect your frames are the people who set your new units. No handoff, no confusion, no warranty registration left to the homeowner.
Common ES Windows Windows & Doors Problems We Solve in Marathon
- Salt pitting on ES-7000 aluminum frames near the ocean side. Bottoms of sills and meeting rails corrode through in under a decade because Marathon’s 360-degree salt spray hits every elevation, not just the southeast corner. We see white crust and pinholes on the lower track that most mainland inspectors would never encounter.
- Weep-hole clogging from wind-driven Florida Bay sediment mixed with salt crystals. This traps water inside the track and rots internal fasteners. On ES sliding doors and casements, the first sign is a slow drain after rain and a gritty feel when you operate the sash.
- Roller and track failure on older ES sliding glass doors after repeated hurricane pressure cycling. Lower rollers seize, the frame racks, and the lock alignment goes chronic. Every direct-hit season makes this worse, and by the time the door binds, the track is often beyond shimming.
- Adhesive sealant breakdown around factory-glazed units. Salt water wicks into the frame corners and shows up as white oxidation trails below the glass. This is not a cosmetic issue; it is the start of corrosion behind the glass, and it moves fast in Marathon humidity.
- Fogged or failed sealed glass in ES-6000 and ES-7000 models. A failed seal on an ocean-side exposure here will fog within weeks, not months, because the temperature swing and salt load break the desiccant fast. Replacement glass must match the original HVHZ glazing spec or the unit loses its rating.
ES Windows Service in Marathon: What Local Conditions Mean for Your Equipment
Marathon is the only Florida city where Monroe County inspectors require a separate on-site verification that the original jalousie rough opening was resized with concrete infill, not just shimmed, before signing off on an ES Windows HVHZ impact swap. That requirement traces back to the county’s 2017 Irma recertification audit, which flagged dozens of window failures at precisely those opening transitions. What that means for an ES Windows owner is simple: you cannot send a crew out to pop out a jalousie and drop in a new impact casement. The opening has to be cut, filled with block, cured, and photographed before the inspector comes back. We do that work every month in Marathon, and our permits close the first time because we document the infill before the frame ever touches the opening. Measure it right the first time, or plan on coming back.
We have been serving Marathon service area homeowners long enough that our techs know the difference between a Sombrero Beach Road salt-load case and a Florida Bay-side silt case. That local knowledge changes which parts we stock and what we recommend.
ES Windows Models & Products We Service in Marathon
We service the full ES Windows family you are likely to find in Marathon homes: the ES-6000, ES-7000, ES-8000, and ES-9000 lines. That covers fixed, casement, awning, horizontal roller, and the older ES Slide ‘n’ Hide rolling doors. On the parts side, we use OEM ES Windows components when available for HVHZ-certified models. But for non-structural hardware like rollers, locks, and hinges, we often upgrade to marine-grade stainless aftermarket parts that outlast the original brass or zinc pieces in Marathon’s salt air. We stock common ES rollers, locks, and marine stainless hinge sets locally for faster Marathon turnaround, so a repair is not waiting on a backorder from the mainland.
ES Windows Service Pricing in Marathon
Every Marathon ES Windows job starts with a free on-site inspection and written line-item estimate. Pricing depends on what the opening needs: a simple roller and lock replacement might run $200 to $400, while a full block-infill opening resize plus a new HVHZ impact unit adds concrete work and permit time. We quote the frame work and the window separately so you see exactly where your money goes, and we register both manufacturer warranty layers in writing before the truck leaves the driveway. Call (754) 238-2201 to schedule your free Marathon ES Windows estimate.
Serving Marathon, FL - Our Local Coverage Area
We’re based in the Marathon area and know this community well, and we also provide Es Windows service in Key West. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - ES Windows Windows & Doors in Marathon
Yes. Marathon sits in the High Velocity Hurricane Zone, and Monroe County enforces the Miami-Dade NOA requirement on every exterior opening, including bathroom casements and fixed sidelights. No NOA number, no close-out on the permit. Call (754) 238-2201 and we will check your exact unit against the current NOA list before quoting.
Marathon is a narrow coral-limestone island with the Atlantic on the south side and Florida Bay on the north, so there is no inland buffer. Every facade gets direct salt spray, 360 degrees, while mainland Miami sees most salt load on the east side only. That omnidirectional salt air attacks ES aluminum frame corners from every angle, which is why we recommend marine-grade hardware even on Florida Bay-side elevations, just as we do for our Es Windows in Homestead. Call (754) 238-2201 to have a tech inspect your frame corners before the corrosion gets behind the glass.
It depends on the frame. If the pitting is deeper than 25 percent of wall thickness or there is corrosion behind the glass, we recommend full replacement with a current Miami-Dade NOA-approved ES impact unit. A cosmetic repair on a compromised frame will not hold in the next direct hit and will fail an insurance wind-mitigation inspection. If the frame is sound and only the rollers or track inserts are worn, we can rebuild it with marine-grade stainless parts. We will tell you the truth either way.
We cut the opening back to clean block, fill it with 4-inch solid block and mortar to the new rough opening size, and photograph every step of the infill before the frame is set. Monroe County inspectors specifically look for that documentation, and our photos are what get the permit closed. That is standard practice on our Marathon ES Windows replacements, not an add-on.
A full-frame ES-8000 or ES-9000 impact unit with a Miami-Dade NOA number, installed in a properly concrete-infill adjusted opening, is what Marathon insurers want to see for the largest wind-mitigation credits. The key is the NOA documentation and the installation photos proving the opening was resized correctly. We provide both at close-out. Call (754) 238-2201 for a quote on an HVHZ-rated ES Windows replacement in Marathon - estimates are free.
Service Areas Near Marathon
We also serve the neighboring communities around Marathon and the Middle Keys, including ES Windows service in Margate and ES Windows service in Medley, along with Key Colony Beach, Grassy Key, and Duck Key. If your home sits anywhere along the Overseas Highway corridor, we are close enough to schedule your ES Windows inspection this week.
Book Your ES Windows Service in Marathon Today
If your ES Windows frames are showing salt bloom, your sliding door is binding, or you are ready to swap those old jalousies for HVHZ impact units, call TruePane Windows & Doors at (754) 238-2201 - we also provide Coral Gables Es Windows service. We will schedule a free estimate, measure the openings ourselves, and give you a written quote that shows every line item, from the block infill to the NOA registration. Done right, in writing, the first time.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Marathon and the Florida Keys since 2008.
Six Reasons Homeowners Choose TruePane 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.



Before
After
Before
After
Before
After