Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across Treasure Island
Custom windows and doors on Treasure Island are not a design luxury. They’re a code requirement. Every replacement on this narrow Gulf-facing barrier island has to meet the Florida Building Code’s Wind-Borne Debris Region standard, and the salt air punishes anything less. TruePane Windows & Doors installs, replaces, and services custom windows and doors for Treasure Island homeowners and condo associations, with a Done Right Promise and both manufacturer warranty layers registered in writing before the truck leaves the driveway. If you’re looking at a jalousie window that’s seen better decades or a sliding door that binds in July, call (754) 238-2201. We’ll talk you through what the code actually requires and what a compliant quote looks like.
Why TruePane Windows & Doors Is Treasure Island’s Preferred Custom Windows & Doors Company
We’ve been doing this work since 2008, and the Custom Windows & Doors team has seen just about every way a window can fail on a barrier island. Dale Kessler founded TruePane in 2008 on a rule that still governs every install: if the pane is not true, the job is not done. On Treasure Island, that rule gets tested by salt spray, hurricane fetch, and sixty-year-old framing that was never built for modern impact glazing.
Treasure Island homeowners call us because we answer the phone. A live person, 24 hours a day, seven days a week. Not a voicemail tree, not a callback form. When a storm is bearing down and a window is already compromised, you get a person who can tell you what to do right then. Our technicians are background-checked, uniformed, and trained to measure every opening twice. They quote manufacturer lines side by side on paper so you see exactly what you’re buying. And they work in your home the way they’d work in their own mother’s.
We know the local permitting office’s expectations. We know which product approvals the inspector checks. And we know that a cheap retrofit with non-impact glass will pass a visual inspection but fail an insurance claim later. That’s the kind of local expertise that doesn’t come from a franchise playbook.
Our Custom Windows & Doors Services in Treasure Island
Custom Shape Windows
Treasure Island’s 1950s and 1960s beach cottages often feature arched transoms, radius corners, and odd-sized openings that don’t match any stock window. We fabricate custom shape windows to the exact radius and rough opening, in impact-rated configurations that meet Wind-Borne Debris Region requirements. A custom quarter-round over a fixed picture window on a Sunset Beach bungalow needs a product approval number on the paperwork before the inspector will sign off. We handle that.

Commercial Storefront Glazing
Treasure Island’s Gulf Boulevard commercial strip, from the hotels near 104th Avenue to the restaurants and shops north toward Madeira Beach, gets the same salt exposure as the residential side. Storefront glass with corroded aluminum framing or failed seals is a liability and an energy drain. We service and replace commercial storefront glazing with systems rated for direct Gulf exposure, and we schedule the work around your operating hours so you’re not closing shop for a week.

Curtain Wall Systems
Low-rise condos along the Treasure Island shoreline use curtain wall systems to frame Gulf views and manage wind loads. When the original curtain wall from a 1970s condo starts leaking around the mullions, the fix isn’t caulk. It’s a systematic teardown and rebuild with proper flashing, drainage, and anchoring. Our crews understand what a salt-saturated curtain wall looks like after forty years and what it takes to make it right without condemning the whole elevation.

Architectural Grilles & SDLs
Many Treasure Island homeowners want the look of divided lites without sacrificing impact performance. Simulated divided lites (SDLs) and architectural grilles give you the classic beach-cottage aesthetic with a single impact-rated lite underneath. We’ve installed architectural grilles and SDLs on everything from 1960s CBS duplexes to new Gulf-front builds, and we match the grille profile to the existing interior trim so the replacement doesn’t look like an afterthought.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Treasure Island
We are an authorized installer for more than a dozen manufacturer lines, including PGT and CGI, both of which carry extensive Florida Product Approval listings for Wind-Borne Debris Region use. EC Windows and ES Windows round out the high-end custom panel work we see on Gulf-front condos where oversized glass panels and minimal frames are the point. We stock common replacement parts for these brands so a hardware failure on a Treasure Island sliding door doesn’t mean waiting three weeks for a part from out of state. Most jobs are completed in a single visit.
Common Custom Windows & Doors Problems We See in Treasure Island Homes
- Jalousie glass cracking during a storm. Original jalousie windows on Treasure Island’s pre-1980 beach cottages are not impact-rated and cannot be repaired into compliance within a Wind-Borne Debris Region. Wind-driven debris shatters the narrow glass louvers and blows rain straight into the living space. Replacement with impact-rated units is the only code-compliant fix.
- Aluminum sashes seizing in their jambs from salt corrosion. Decades of Gulf salt spray oxidizes the aluminum tracks and rollers on original sliding windows and doors. When the sash won’t move, emergency egress during a hurricane evacuation becomes impossible. We replace the sash, the rollers, and the frame if it’s pitted past serviceability, and we use stainless steel hardware where it matters.
- Passing an inspection but failing an insurance claim. A retrofit that passes a visual building inspection with non-impact glass will fall apart when the insurance adjuster asks for the Wind-Borne Debris Region product approval number on the permit record. If the paperwork doesn’t show it, the claim gets denied. We document every product approval and flashing detail for your wind-mitigation file.
- Failed seals on single-pane sliders. Fogged glass on an original single-pane aluminum slider is not a repair-and-move-on situation. The frame is typically corroded, the glass is not impact-rated, and the whole assembly predates modern anchoring requirements. Repairing a seal on a forty-year-old slider buys you a year. Replacing it with a properly anchored impact-rated unit buys decades.
Pricing for Custom Windows & Doors in Treasure Island, FL
A custom shape window in Treasure Island typically runs $800 to $2,200 per unit, depending on the radius, the frame material, and whether you need impact glazing, which you do. Architectural grilles and SDLs add $150 to $400 per window depending on the grille profile and the number of simulated lites. Oversized glass panels on Gulf-front condos start around $3,500 and go up from there, driven by structural reinforcement requirements and crane access costs. Commercial storefront glazing work is quoted per lineal foot, with most Treasure Island storefronts running $95 to $180 per lineal foot for impact-rated systems. Curtain wall rebuilds are the most variable, since the condition of the original anchoring determines how much gets replaced. Call (754) 238-2201 for a free estimate. The quote is written, line by line, with no surprise line items at the end.
| Service | Typical Range in Treasure Island |
|---|---|
| Custom shape window (impact-rated) | $800 - $2,200 per unit |
| Architectural grilles & SDLs | +$150 - $400 per window |
| Oversized glass panel | $3,500+ per panel |
| Commercial storefront glazing | $95 - $180 per lineal foot |
| Curtain wall rebuild | Site-quoted, condition-dependent |
We Also Serve Cities Near Treasure Island
TruePane serves Treasure Island and the communities around it. If you’re on Anna Maria, in Acacia Villas, near Alafaya, or up in Altamonte Springs, our crews cover those areas too. The same Done Right Promise and written warranty registration apply no matter which side of the bridge you’re on. Call (754) 238-2201 and we’ll schedule a time that works.
Serving Treasure Island, FL - Our Local Coverage Area
We’re based in the Treasure Island 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 - Custom Windows & Doors in Treasure Island
A custom window in Treasure Island must meet the Florida Building Code’s Wind-Borne Debris Region requirements, which means impact-rated glazing with a Florida Product Approval number listed on the permit paperwork. The inspector verifies that the product approval matches the specific window model and size being installed. Call (754) 238-2201 for an exact quote and we’ll show you the product approvals in writing.
A seal repair on an original single-pane aluminum slider in Treasure Island is possible but rarely makes sense. The frame is typically corroded from Gulf salt spray, the glass is not impact-rated, and the assembly predates current anchoring codes. Replacing the whole window with an impact-rated unit is usually cheaper over ten years and it actually passes inspection. Call (754) 238-2201 and we’ll assess your specific slider before you spend a dollar.
A permitted window replacement on Treasure Island creates a wind-mitigation record that your insurer can verify. If the permit record lacks the Wind-Borne Debris Region product approval number, an insurance adjuster may deny a claim for storm damage, even if the window was installed recently. We document every product approval and flashing detail for your insurance file. Call (754) 238-2201 for a free estimate and we’ll explain what your paperwork needs to include.
Direct Gulf of Mexico exposure means salt spray reaches properties across all of Treasure Island, oxidizing aluminum frames and pitting steel hardware at roughly two to three times the rate of equivalent windows inland. No inland buffer means no break from the salt. A frame that might last twenty years in St. Petersburg can look rough in eight on the island. We install frames and hardware specifically selected for direct Gulf exposure. Call (754) 238-2201 to talk through material options.
Oversized glass panels on a Gulf-front Treasure Island condo typically require additional structural review and anchoring documentation beyond what a standard window replacement needs. The permit application must demonstrate that the wind loads on a larger lite are handled by the supporting structure. We’ve pulled enough Treasure Island permits to know exactly what the reviewer asks for. Call (754) 238-2201 and we’ll walk you through the process.
If you live on Treasure Island and you’re looking at windows that are original to a 1965 beach cottage or a condo that hasn’t been touched since Carter was president, don’t guess at what the code requires. Call (754) 238-2201. A live person answers. We’ll measure, we’ll quote, and we’ll write it all down so you can see exactly what you’re buying. Free estimates, no pressure, no paperwork fights down the road.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Treasure Island with custom windows and doors built for the Gulf.
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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