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 Iona
Replacing a sliding glass or patio door in Iona means dealing with salt air, post-Ian building codes, and permitting layers that most door companies never mention. A straightforward slider replacement in Iona typically runs $1,200 to $3,400 installed, depending on whether the existing frame can be salvaged or must be torn out to the rough opening under Lee County’s post-hurricane permit review. If the old unit is pre-1992 single-pane, the frame-out is almost always required. Call (239) 323-5522 for a written, line-item quote from TruePane Windows & Doors, and we’ll measure the opening, check the existing NOA approvals, and tell you what the scope actually is before you spend a dollar.
We’re Dale Kessler’s team, and we’ve been doing this work long enough to know that Iona is not a generic market. The Caloosahatchee estuary sits within a few miles of most door openings here, and that changes everything about how we spec hardware, frame materials, and glass packages.
What the Iona Permitting Reality Does to Your Door Project
Here’s the part most contractors won’t tell you until you’re already mid-job. Iona sits in the Hurricane Ian ground-zero corridor between Fort Myers Beach and Cape Coral, one of the hardest-hit unincorporated communities in Lee County. Since September 2022, county permit reviewers have been flagging older impact-rated doors from the 1990s and early 2000s whose NOA (Notice of Acceptance) product approvals have lapsed. A homeowner calls us thinking it’s a sash swap, and it turns into a full frame-out replacement because the old product approval no longer passes current Lee County permitting review. That’s not a sales pitch. It’s what the permit office requires.
Every replacement sliding glass or patio door in Iona must meet Florida Building Code wind-load minimums for Lee County’s 150 mph-plus coastal design zone. Single-pane aluminum sliders and hollow-core patio doors are not code-compliant replacements. Only impact-rated insulated glass units in tested, approved assemblies qualify. If a bid comes in suspiciously low, ask whether the permit was pulled and whether the unit carries current Miami-Dade NOA approval. Dale Kessler has made that question the first line of our scope review because he got tired of seeing homeowners stuck with installed doors that couldn’t pass inspection.
How Iona’s Salt Air Changes the Hardware Spec
Iona’s location adjacent to the Caloosahatchee River estuary and within a few miles of the Gulf of Mexico creates a persistently salty, humid microclimate. Aluminum extrusions corrode faster here than they do ten miles inland in Lehigh Acres. Glazing seals degrade early. Door hardware oxidizes, rollers seize, latches bind. We specify marine-grade or PVD-coated hardware on any unit going into an Iona opening, and we verify coastal ratings, including DP ratings for salt-spray exposure, before we order. A standard zinc-plated roller track that works fine in Fort Myers inland will be pitted and stiff within three years on a canal-side home off McGregor Boulevard.
On one canal-side home off McGregor Boulevard, our crew pulled a corroded 1987 aluminum slider that had seized in its track. The frame had pitted so badly from salt air that a sash-only swap was impossible. We installed a PGT impact-rated sliding glass door with Miami-Dade NOA, marine-grade PVD hardware, and a laminated glass interlayer that met the homeowner’s wind mitigation credit requirements. The old door hadn’t been opened in four years. The new one glides with two fingers.
Why TruePane Windows & Doors Is the Company Iona Homeowners Call Second
Iona homeowners don’t usually call us first. They call someone cheaper, the door gets installed wrong or fails permitting, and then they call us to fix it. Dale has been a second-generation glazier long enough to know that dynamic. We don’t resent it. We just make sure the second call is the last one.
Our Sliding Glass & Patio Doors team works on Iona jobs with a simple rule from Dale’s whiteboard: if the pane is not true, the job is not done. That means every opening gets measured twice, every quote lists manufacturer lines side by side on paper, and both warranty layers get registered in writing before the truck leaves the driveway. That’s The Keystone Standard. It’s not a slogan. It’s what we put in writing on every job.
We background-check and uniform every technician. We hire local, train apprentices into journeymen, and act like a company that plans to be in town in thirty years. Because we are.
Our Sliding Glass & Patio Doors Services in Iona
Impact-Rated Sliding Glass Door Replacement
Most Iona homes built from the late 1960s through the early 1990s are concrete block construction with original jalousie or single-pane aluminum sliders. Those units predate Florida’s post-Hurricane Andrew impact requirements and will not pass Lee County permitting today. We replace them with impact-rated insulated glass units in Miami-Dade NOA approved assemblies, engineered for the design pressures at the specific opening, not a one-size-fits-all rating.

Patio Door Frame-Out and Reinstallation
When a post-Ian permit review flags your existing door’s lapsed NOA, the fix is a full frame-out. We remove the old frame to the rough opening, inspect the concrete block for spalling or water damage, install a new buck and flashing system, and set the new door true and level. This is the part where cheap bids fall apart. We include all of it in the written quote.

Corrosion-Rated Hardware Replacement
Salt-driven corrosion freezes rollers and latches on older sliders, making them impossible to open or secure before hurricane season. In Iona, we replace failed hardware with marine-grade PVD-coated components as a matter of course. It costs a little more up front and lasts years longer next to the Caloosahatchee.

Sliding Door Tune-Up and Adjustments
If your door still operates but drags, sticks, or lets daylight through the weatherstripping, a tune-up may buy you time before replacement. We clean and lubricate tracks, adjust rollers, re-set the strike plate, and replace door hardware where needed. Keep in mind that no tune-up fixes a failed seal or a lapsed NOA. The permit review will still require what it requires.

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 Iona
We carry and install PGT, CGI, and Therma-Tru, among more than a dozen manufacturer lines. PGT and CGI build impact-rated units tested to Miami-Dade standards, which is what Lee County permit reviewers want to see on an Iona opening. Therma-Tru makes entry and patio door systems that hold up against salt air when you spec the right hardware. We keep local stock where it makes sense for Iona customers, which means shorter turnaround on common sizes and faster replacement when a door fails right before hurricane season. At TruePane, we give you side-by-side quotes on paper, not a spoken recommendation you can’t compare.
Common Sliding Glass & Patio Doors Problems We See in Iona Homes
- Seized rollers from salt corrosion. The humid estuary air gets into the track, pits the rollers, and the door won’t move. On canal-side streets like those off McGregor Boulevard, we see this on sliders as young as eight years old when hardware wasn’t marine-rated.
- Failed glazing seals on pre-1992 units. Single-pane aluminum frames flex, the seal breaks, and the glass fogs. This is not a reglazing candidate. It’s a replacement.
- Lapsed NOA approvals on 1990s impact doors. Post-Ian permit reviews are systematically flagging older impact-rated doors whose NOA product approvals are no longer current. The fix is a full frame-out, not a sash swap. Insurers in Iona are increasingly refusing to renew policies on homes with openings that don’t meet current code.
- Frame pitting and spalling at the threshold. Salt air gets under the frame, corrodes the aluminum, and concrete block begins to spall at the opening. If the frame is pitted, the door has to come out. Caulk and paint won’t fix it.
What Sliding Glass & Patio Doors Costs in Iona
Here are the real numbers for Iona’s market, not a national average. A standard impact-rated sliding glass door replacement in Iona runs $1,200 to $3,400 installed when the existing frame is sound and the permit review doesn’t require a frame-out. A full frame-out replacement, which is common on pre-1992 homes and on any door with a lapsed NOA, runs $2,500 to $5,000. Large, custom, or multi-panel openings climb to $5,000 and up. Whole-home packages across multiple openings in an Iona CBS house typically fall between $8,000 and $25,000, depending on the number of units, wind-zone design pressures, and frame materials.
What moves the price in Iona: opening count, floor height, wind zone, frame material, and whether the old unit’s NOA is still current. We’ll measure everything, pull the permit paperwork, and give you a fixed, line-item quote before you commit. Call (239) 323-5522 for a free in-home measure and written quote.
Florida Pays You Back
The incentives stack on top of each other, and we’ll walk you through the ones that apply to your Iona home. My Safe Florida Home matching grants can cover up to $10,000 for qualifying wind-mitigation upgrades, including impact-rated sliding glass and patio doors. Florida offers a sales-tax exemption on impact-resistant windows and doors. The federal 25C energy credit covers 30% of the product cost, up to $600 per year on qualifying units. And after a wind-mitigation inspection, which typically costs $75 to $150, many Iona homeowners see windstorm-premium credits averaging around 25% on the windstorm portion of their policy. Programs and carriers set the final numbers. We don’t guarantee them. We do register both warranty layers in writing so your documentation is complete before the truck leaves the driveway.
One comparison worth making: impact-rated sliding glass doors versus hurricane shutters. Shutters only protect when someone is home to hang them. An impact-rated door is always in place, no panels to store, no brackets to corrode in Iona’s salt air. We install impact doors. We don’t sell or install shutters. If shutters fit your life better, that’s a fair conversation with a shutter company. If permanent protection fits, we’re the door company for the job.
We Also Serve Cities Near Iona
TruePane serves Iona and neighboring communities including Fort Myers, Cape Coral, Lehigh Acres, and North Fort Myers. Each area has its own permitting and wind-zone realities, and we scope them honestly before we quote.
Serving Iona, FL - Our Local Coverage Area
We’re based in the Iona 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 Iona
No. Pre-1992 single-pane aluminum sliders fail current Florida Product Approval wind-load tests and won’t pass Lee County permitting. You’ll need a full replacement with an impact-rated insulated glass unit in a tested assembly. Call (239) 323-5522 and we’ll verify what your opening needs and give you a written quote.
Yes. Iona’s estuary air corrodes standard hardware quickly. We spec marine-grade or PVD-coated rollers, tracks, and hardware on any door installed here, and we verify coastal DP ratings for salt-spray exposure. It’s not optional on an Iona door. It’s the difference between a door that works for five years and one that works for twenty.
Because the door’s NOA product approval has likely lapsed since it was installed. Post-Ian Lee County permit review checks current product approval numbers, not how the door looks. When the approval is no longer current, the fix is a full frame-out replacement. We check this before we quote so there are no surprises mid-job.
Every new patio door in Iona must meet Florida Building Code wind-load minimums for Lee County’s 150 mph-plus coastal design zone. That means impact-rated insulated glass units in Miami-Dade NOA approved assemblies, with design pressures matched to the specific opening. We never quote a rating above +/-100 PSF because anything higher isn’t being measured correctly.
Often, yes. After a wind-mitigation inspection, many Iona homeowners see windstorm-premium credits averaging around 25% on the windstorm portion of the policy. The exact credit depends on your carrier and your inspection results. Call (239) 323-5522 to have us scope the door, and we’ll point you to the documentation your insurer needs.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Iona and surrounding Lee County communities.
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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