Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Treasure Island
Window installation in Treasure Island means working with wind-load code, salt corrosion, and insurance paperwork that inland contractors never see. A standard single-family home on this barrier island typically needs impact-rated windows carrying a Florida Product Approval number, and the install itself has to pass Pinellas County final inspection or the permit dies on the wall. That’s the work we do every week. If you’re pricing replacement windows or dealing with failed seals on a Gulf-facing wall, call TruePane Windows & Doors at (813) 320-9346 for a free estimate and a written, line-item quote.
Why TruePane Windows & Doors Is Treasure Island’s Preferred Window Installation Company
We’ve been setting windows long enough to know what the salt does to a frame on Capri Boulevard versus a street three blocks off Gulf Boulevard. It’s not the same job. Treasure Island homes get double-sided salt exposure, the Gulf on one side and the Intracoastal on the other, and the hardware that holds up fine in Seminole fails here in a few seasons. Our crews work on this island regularly, so we arrive knowing the rough openings behind 1960s jalousies, the spalled block behind original aluminum sliders, and the permit sequence Pinellas County expects. Dale Kessler founded TruePane in 2008 around a rule that still governs every install: if the pane is not true, the job is not done. We register both manufacturer warranty layers in writing before the truck leaves your driveway, and every job carries our 90-Day Done Right Promise. No fine print. No arguing.
Our Window Installation team is background-checked, uniformed, and trained to work in someone’s home the way they’d work in their own mother’s. We answer the phone with a live person 24 hours a day, and we show up when we say we will. For Treasure Island homeowners who’ve been burned once and are paying close attention this time, that matters more than a slick pitch.
Our Window Installation Services in Treasure Island
Casement Windows
Casement windows are the best-selling impact option on Treasure Island because they seal tight against wind-driven rain and open fully to catch the Gulf breeze on cooler evenings. A typical impact-rated casement installation here runs $900-$1,600 per opening, depending on size and whether the existing rough opening needs masonry repair. We specify stainless hardware as standard on this island because zinc-plated operators corrode within two or three seasons of double-sided salt exposure.

Awning Windows
Awning windows work well low on a wall or above a fixed picture unit where code requires egress and you still want ventilation during a passing storm. In Treasure Island, we see them most often on canal-front homes where owners want airflow without letting horizontal rain soak the sill. Expect $700-$1,300 per awning window installed, with the final number driven by frame material, glass package, and whether the opening is plumb or needs corrective framing.

Fixed & Picture Windows
Fixed picture windows are the workhorse for Gulf-facing living rooms that take the full afternoon sun and salt load. On west-facing walls in Treasure Island, we strongly recommend impact-rated insulated glass with a low-E coating, because unprotected vinyl and standard EPDM gaskets degrade noticeably faster here than manufacturer averages predict. Budget $800-$2,200 per fixed unit, more if the window is oversized or the rough opening shows spalled block from decades of moisture wicking through original frames.

Single & Double Hung
Single and double hung windows are less common on the island than in mainland Pinellas, but they still go into ranch homes where the original single-pane aluminum sliders are finally being pulled. A single hung replacement in Treasure Island typically runs $600-$1,100 per opening; double hung adds 15-25% for the operable upper sash. We quote manufacturer lines side by side on paper so you see exactly what you’re buying, and both warranty layers get registered before we leave.

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 Treasure Island
We’re an authorized installer for more than a dozen manufacturer lines, and for Treasure Island work we most often spec PGT, CGI, and Simonton impact windows. PGT and CGI are Florida-engineered for wind-borne debris and carry the Florida Product Approval numbers this island’s permits require. Simonton makes a strong value impact casement that holds up on canal-front homes when paired with stainless hardware. We quote these lines side by side on paper, with the glass packages, the ratings, and the warranty durations stated in writing. You see the difference before you sign, not after. For a free written comparison on your specific openings, call (813) 320-9346.
Common Window Installation Problems We See in Treasure Island Homes
- Spalled block behind original 1960s aluminum frames. The original single-pane jalousie and horizontal slider windows on mid-century CBS homes here were bedded directly into concrete block, and decades of salt spray and wind-driven rain have degraded the block at the rough opening. Pulling the old frame almost always reveals cracked, chalky block that has to be chipped out and repaired before a compliant window can be set.
- Non-stainless hardware on casement and awning windows corroding within a few seasons. Salt air from the Gulf and the Intracoastal attacks zinc-plated operators, hinges, and locks faster than homeowners expect. We specify 316 stainless hardware on every operable window on Treasure Island, because it’s the only thing that stands up to double-sided salt exposure.
- Unpermitted lanai conversions with non-compliant slider windows. The finger-canal streets are dense with screened rear lanais enclosed into conditioned rooms during the 1980s-90s boom, almost all without permits. Those slider or fixed windows must be brought to current wind-load and egress code before any other window permit on the property can pass Pinellas County final inspection. This catches homeowners by surprise, but the fix is straightforward once scoped correctly.
- Failed seals and fogged glass on non-impact units retrofitted over the years. We see a lot of replacement windows installed in the 1990s and 2000s that were never impact-rated and are now fogged between the panes. On Treasure Island, that fogged unit is not just an eyesore. If it has no Florida Product Approval number, it fails wind-load compliance and can block a permit or complicate an insurance claim.
Pricing for Window Installation in Treasure Island, FL
Window installation in Treasure Island is priced per opening, not per square foot of the whole house. Here are the ranges we write on most quotes for this island:
- Impact-rated casement window: $900-$1,600 per opening
- Awning window: $700-$1,300 per opening
- Fixed or picture window: $800-$2,200 per unit
- Single hung: $600-$1,100 per opening
- Double hung: $750-$1,350 per opening
What moves the number is the masonry work at the rough opening, the glass package you choose, and whether a permit is already open on the property from prior work. Every quote we write includes the permit line, the Florida Product Approval documentation, and the warranty registration, because those are not add-ons on a compliant install. Call (813) 320-9346 and we’ll measure every opening twice and put the numbers in front of you before you decide.
We Also Serve Cities Near Treasure Island
If you’re outside Treasure Island but nearby, our crews also serve Acacia Villas, Alafaya, Altamonte Springs, and Altoona. You’ll get the same written quote, the same warranty registration, and the same crew standards. See our Treasure Island service area page for full local details.
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 - Window Installation in Treasure Island
Yes. Current Florida Building Code, as enforced by Pinellas County, requires impact-rated glazing or an approved hurricane shutter system for any replacement window or door on a Treasure Island residence. The window must carry a Florida Product Approval number for wind-borne debris compliance. Non-impact windows do not pass final inspection on a new permit. If you’re replacing windows one room at a time, each permit covers those specific openings, and each opening must meet the current wind-load standard. Call (813) 320-9346 for a free estimate that spells out the compliance documentation line by line.
The unpermitted windows must be brought to current wind-load and egress code before any other window permit on the property can pass Pinellas County final inspection. This is specific to Treasure Island because of the large number of finger-canal homes where screened lanais were enclosed into conditioned rooms during the 1980s-90s boom. When we scope a job, we flag these openings early so the permit sequence is correct from the first inspection. We’ve done enough of these to know exactly what the county inspector will look for.
Because the island sits between the Gulf of Mexico on the west and the Intracoastal Waterway on the east, so every home receives salt air from two directions simultaneously. Inland Pinellas homes get one exposure vector; Treasure Island gets two. The salt deposits on aluminum frames and non-stainless hardware and works into the rough opening, accelerating corrosion, seal failure, and block spalling. That’s why we specify stainless hardware and full-frame replacement on this island rather than insert replacements that leave the old corroded track in place.
The seal has failed, which means the glass package has lost its argon fill and the insulating performance is gone. The wind-load rating is tied to the entire assembly including the frame and how it’s anchored, so the unit itself may still technically carry its approval number, but you now have a compromised window on a barrier island subject to sustained wind-driven rain. We recommend replacement of the IGU or the full window, and we’ll document everything for your insurer. For an honest assessment, call (813) 320-9346.
Yes, in most cases. Treasure Island insurers increasingly require documented impact-rated glazing as a condition of writing or renewing a policy, and many offer premium credits for full-home impact protection. The key word is documented. A window installed without a Florida Product Approval number or without a closed permit does not count. We provide the paperwork: the product approval, the closed permit, and the registered warranty. Your agent gets what they need without a fight.
For window installation in Treasure Island done right the first time, with warranties registered in writing and the permit pulled, inspected, and closed, call TruePane Windows & Doors at (813) 320-9346. Estimates are free, and a live person answers the phone.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Treasure Island homeowners with impact-rated window installation backed by the Keystone Standard.
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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