Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Sliding Glass & Patio Doors Across Gateway
Sliding glass door replacement in Gateway typically runs $3,200 to $7,800 for a standard impact-rated unit installed, and the post-Ian reality here means most 1990s-era homes need full-frame replacement rather than a simple glass swap. That’s the number most Gateway homeowners actually need before they pick up the phone. If your slider binds, leaks daylight through the track, or no longer latches after the storm, the frame itself is usually the problem, not just the panel. TruePane Windows & Doors serves Gateway with crews who know Lee County’s high-velocity wind zone and the specific damage Ian left behind. Call (239) 323-5522 for a free in-home measure and a written quote.
We’re Sliding Glass & Patio Doors specialists, and we’ve walked through enough post-storm Gateways homes to know the difference between a roller that needs replacing and a frame that’s out of plane by three-eighths of an inch. That distinction matters. It’s the difference between a door that works for ten years and a door that fails at the next tropical system.
Why TruePane Windows & Doors Is Gateway’s Preferred Sliding Glass & Patio Doors Company
TruePane was founded by second-generation glazier Dale Kessler in 2008, and the company has over 42 years of craft heritage behind it. We’re not a franchise playbook. We’re a company that hires local, trains apprentices into journeymen, and plans to be in town thirty years from now. Gateway is squarely in our service footprint, and we treat every job there like it’s on our own street.
Homeowners in Gateway call us because a live person answers the phone 24 hours a day, seven days a week. Not a voicemail tree, not a callback form. You call, someone picks up. We send background-checked, uniformed technicians who measure every opening twice and write manufacturer quotes side by side on paper so you see exactly what you’re buying before any work starts. Our 90-Day Done Right Promise means that if the job isn’t done right, we make it right, no paperwork fights and no arguing. That’s the Keystone Standard, and it’s on every single job we do in Gateway.
Our Sliding Glass & Patio Doors Services in Gateway
Gateway’s housing stock is predominantly concrete block construction built between the late 1980s and mid-2000s. Most of those homes still carry original aluminum-frame sliders that predate Florida’s post-Andrew code tightening and the 2002 code revisions that mandated impact resistance in Lee County. That shapes every service we offer here.
Full-Frame Sliding Door Replacement in CBS Walls
Concrete block walls almost always require full-frame replacement when upgrading to modern impact-rated sliders. An insert retrofit simply doesn’t work when the original aluminum frame is corroded, racked, or anchored into block that’s absorbed decades of salt-laden Gulf humidity. We cut the old frame out, inspect the rough opening and the header above it, and set a new, properly anchored frame that meets current Lee County design pressure requirements.

HVHZ Large-Missile Impact-Rated Sliding Glass Doors
Gateway sits in Lee County’s high-velocity hurricane zone, which means any new slider needs to carry the right Florida Product Approval numbers for large-missile impact. We install impact-rated units from PGT, CGI, and other manufacturers that carry Miami-Dade NOA and HVHZ compliance. We match design pressures to your specific opening, never guessing and never exceeding a +/-100 PSF rating without the engineering to back it.

Racked Frame Repair and Realignment
A common post-Ian finding in Gateway’s 1990s-built homes is a multi-panel slider frame permanently bent out of plane by wind loading. The panels no longer seal or latch correctly, even after a homeowner patches glass or replaces rollers. We straighten or replace those frames properly, which avoids a callback when the next tropical system pushes against the door. If the frame can be saved, we save it. If it can’t, we tell you honestly and write the replacement quote.

Permit-Triggered Code Upgrades for Adjacent Openings
When we pull a permit for a slider replacement in Gateway, Lee County often requires adjacent openings to be brought up to current code at the same time. That means addressing outdated header specs, undersized anchors, or non-compliant glass next to the door we’re already replacing. We write those upgrades into the contract before we start, with allowances stated in writing. No surprise line items on the bill, ever.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Gateway
TruePane is an authorized installer for more than a dozen manufacturer lines, including Andersen, Pella, Marvin, Milgard, Jeld-Wen, PGT, CGI, and ES Windows. For Gateway specifically, we work with a lot of PGT WinGuard and CGI Estate Collection units, because those product lines carry the HVHZ and large-missile ratings Lee County demands. We also service existing Therma-Tru and ViewLux units that were installed in later Gateway phases. Because we install for these manufacturers directly, we can order exact-replacement parts and register both warranty layers in writing before our truck leaves your driveway.
Common Sliding Glass & Patio Doors Problems We See in Gateway Homes
- Racked aluminum multi-panel slider frames: Ian’s wind loading bent many original 1990s track systems permanently out of plane. The panels won’t seal or latch even after new rollers, because the frame itself is deformed. A technician who only replaces rollers misses the underlying problem and leaves you with a door that fails at the next storm.
- Corroded jamb anchors and track screws: Year-round salt-laden Gulf humidity accelerates corrosion on older aluminum hardware in Gateway at a rate noticeably faster than inland Florida. Anchors snap off during removal and reveal water damage behind the stucco that’s been quietly spreading for years.
- Undersized original aluminum headers over wide slider openings: Many late-1980s and early-1990s homes in Gateway were built with headers that flex under design pressure. That flex causes recurring seal failures until the header is reinforced, which we handle as part of a full-frame replacement.
- Fogged or failed glass seals on original single-pane units: Most Gateway homes still have the original single-pane, non-impact glass installed before the 2002 code revisions. Those seals are reaching end of functional life, and in many cases the frames are too corroded to accept a simple glass pack swap.
Pricing for Sliding Glass & Patio Doors in Gateway, FL
A standard impact-rated sliding glass door replacement in Gateway runs $3,200 to $7,800 installed, depending on opening width, frame material, and whether the header needs reinforcement. Large or custom openings, including multi-panel sliders over eight feet wide, run $6,500 to $12,000. If you’re replacing every sliding door in a whole home as part of a post-Ian hardening project, expect $12,000 to $30,000 and up. These numbers include the full-frame work CBS walls require, permit fees, and the code upgrades Lee County triggers when walls are open. We don’t do insert retrofits that leave failed anchors in place. We give you a written line-item quote before work begins, and that quote holds unless you approve a change in writing. Call (239) 323-5522 for a free in-home measure.
What Sliding Glass & Patio Doors Costs in Gateway
On the window side, impact units in Gateway generally run $800 to $1,500 per window installed, with impact single-hungs at $900 to $1,800. Large or custom slider openings sit at $2,500 to $5,000 each, and a whole-home package of impact windows and doors runs $8,000 to $25,000 or more depending on opening count and floor height. What moves the price in Gateway specifically is the wind zone, the opening size, and the condition of the existing header and anchors. Older CBS construction often means more labor per opening, because we’re removing corroded aluminum rather than popping out a clean insert. The close is simple: we measure in person, write the quote on paper, and you decide. Free in-home measure, no obligation.
Florida Pays You Back
Gateway homeowners doing impact-rated slider replacement can stack several incentive programs. My Safe Florida Home matching grants go up to $10,000 for qualifying wind-mitigation upgrades. Florida offers a sales tax exemption on impact-resistant windows and doors. The federal 25C energy credit covers 30% of product cost, up to $600 per year, on qualifying units. After a wind mitigation inspection, which costs $75 to $150 in Lee County, many carriers give windstorm premium credits averaging around 25% on the windstorm portion of the policy. We don’t set those numbers, and we don’t guarantee what any carrier will pay. What we do is provide the documentation: Florida Product Approval numbers per configuration, design pressures matched to the opening, and both warranty layers registered in writing before the truck leaves. Carriers in Lee County want proof, and we give it to you.
Post-Ian Insurance Reality in Gateway
Lee County carriers are non-renewing or heavily surcharging policies on Gateway homes that cannot document compliant opening protection. A sliding glass door that still opens and closes but predates impact standards doesn’t just look dated. It’s a red flag on your policy. Replacing a racked 1990s slider with an impact-rated unit is less about curb appeal and more about keeping insurance in force, and that’s the conversation we have most often in Gateway these days. We pulled a 1998 aluminum three-panel slider from a home off Gateway Boulevard that had survived Ian but was racked three-eighths of an inch out of plane. The panels no longer latched and daylight showed through the top track. Our tech measured the frame, ordered a PGT WinGuard HVHZ-rated unit sized for full-frame replacement in the CBS wall, and wrote the same-day permit-triggered code upgrade for the adjacent openings into the contract before we cut a single anchor. That’s how we work in Gateway.
Impact Windows vs. Hurricane Shutters
Some Gateway homeowners price out shutters instead of impact-rated sliders. Shutters are cheaper up front, but they require someone to deploy them before a storm, they’re useless against the year-round corrosion problem, and they don’t do anything for your cooling bill or your insurance documentation the way a permanent impact-rated unit does. We don’t sell or install shutters. We install permanent impact glazing that meets the same wind speed requirements and counts as code-compliant opening protection every day of the year, not just during a hurricane watch. That’s the comparison we recommend you make honestly, and we’ll walk you through it side by side on paper.
We Also Serve Cities Near Gateway
TruePane serves Gateway and the surrounding Lee County communities, including Fort Myers, Cape Coral, Lehigh Acres, and North Fort Myers. If you’re in one of those cities and dealing with the same post-Ian slider problems, call us at (239) 323-5522. We’ll send the same background-checked, uniformed crew that works in Gateway, and you’ll get the same written quote and the same Done Right Promise.
Serving Gateway, FL - Our Local Coverage Area
We’re based in the Gateway 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 - Sliding Glass & Patio Doors in Gateway
Because Gateway’s housing stock is predominantly concrete block built before the 2002 Florida Building Code impact mandate, and those original aluminum frames are typically corroded, racked, or anchored into block that can’t accept an insert. An insert retrofit only works when the existing frame is structurally sound and square. After two decades of salt-laden humidity and a Category 4 storm, most Gateway frames are neither. Full-frame replacement is the only way to satisfy Lee County’s current design pressure requirements and give you a door that survives the next storm. Call (239) 323-5522 and we’ll inspect your specific opening and tell you honestly whether an insert is even possible.
A Gateway slider that predates impact standards is a documented risk on your windstorm policy, even if it operates fine today. Lee County carriers are non-renewing and surcharging policies on homes without compliant opening protection. Leaving that original 1990s slider in place can cost you more in premiums than replacing it. Documenting the upgrade with the right Florida Product Approval numbers gives your carrier proof, and proof is what keeps the policy in force. We’ll provide the documentation your carrier and wind mitigation inspector need.
We write them into the contract before we start. When we pull a permit in Gateway, Lee County often requires adjacent openings to be brought up to current code, including undersized headers and non-compliant anchors. Our inspection happens first, then we put allowances in writing so you’re not hit with a change order after the wall is open. Any surprise gets priced and approved by you in writing before we touch it. That’s the only way we work. Call (239) 323-5522 for a detailed quote that includes the upgrades up front.
Yes, and it’s measurable. Gateway’s original single-pane sliders let solar heat in and let conditioned air leak out through failed seals and racked tracks. An impact-rated unit with modern low-E glazing cuts solar heat gain and air leakage significantly, which reduces how hard your AC runs from April through October. The exact savings depend on your home’s orientation and existing insulation, but the improvement is real, not just a sales line. The federal 25C energy credit also covers 30% of product cost up to $600 per year on qualifying units.
We install PGT WinGuard and CGI Estate Collection most often in Gateway, because both carry the HVHZ and large-missile impact ratings Lee County requires. We also install Andersen, Marvin, and Milgard impact lines, depending on the opening size and your budget. We quote these side by side on paper so you see the differences in design pressure rating, glass package, and price. Every unit we install in Gateway carries a Florida Product Approval or Miami-Dade NOA number that matches your specific opening.
Call TruePane for Sliding Glass & Patio Doors in Gateway
If your Gateway slider is racked, corroded, fogged, or simply original to a home built before the 2002 code, call (239) 323-5522. We’ll schedule a free in-home measure, inspect the opening and the header above it, and give you a written line-item quote with allowances for any code upgrades Lee County triggers. A live person answers 24/7. Done right, in writing, with both warranty layers registered before the truck leaves the driveway. That’s the standard Dale Kessler built TruePane on, and it’s the standard every Gateway job gets.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Gateway 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.









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