Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Sliding & Patio Doors Across Dunedin
Sliding patio door replacement in Dunedin typically runs $2,800-$7,400 for a standard 6-foot impact-rated vinyl slider, with panoramic multi-panel systems starting around $8,000 and heavy-duty commercial-grade units running $12,000-$22,000 depending on opening size. Most standard replacements are completed in one day, and every door we install in Dunedin meets the Florida Wind-Borne Debris Region code requirement. Call (813) 320-9346 for a line-item quote tailored to your home’s elevation, opening size, and wind-load calculations.
We know the houses here. The 1950s concrete block ranches off Michigan Boulevard, the bungalows near the Pinellas Trail, the newer elevated builds along the St. Joseph Sound shoreline. Dunedin’s salt air and direct Gulf storm exposure mean a sliding door here is not the same job as one ten miles inland. The track, the roller material, the glazing, the flashing: all of it gets specified differently when the home sits inside a wind-borne debris zone. Our Sliding & Patio Doors team has been working this stretch of Pinellas County long enough to know which failures repeat.
The phone number is (813) 320-9346. A live person answers, day or night. When you call, you’ll talk to someone who can tell you whether your existing opening can take an impact-rated panel without reframing, and what that change costs before we ever send a truck.
Why TruePane Windows & Doors Is Dunedin’s Preferred Sliding & Patio Doors Company
We are a second-generation glazier’s company, founded by Dale Kessler in 2008, and we operate under a rule Dale keeps on the whiteboard: if the pane is not true, the job is not done. That applies to the glass, the frame, the track, the flashing, and the way the door rides three seasons later when the salt wind off St. Joseph Sound has had time to test everything.
Dunedin homeowners call us for a specific reason. Coastal corrosion is not theoretical here. A sliding door on a west-facing elevation near Edgewater Drive will pit and bind faster than one on the east side of Clearwater. We spec door hardware and track materials for that reality. We pull the county permit record before quoting any opening change, because many of these older Dunedin homes have had decades of additions and partial remodels that alter structural assumptions. That’s the kind of local knowledge you don’t get from a franchise playbook.
Every job gets The Keystone Standard: both manufacturer warranty layers registered in writing before the truck leaves the driveway. The 90-Day Done Right Promise covers workmanship with no paperwork fights. And every door quote includes wind-load documentation the county inspector wants to see, because in Dunedin you can’t just swap a slider and call it done. The code has opinions.
Our Sliding & Patio Doors Services in Dunedin
Patio Sliding Doors
Standard patio sliders in Dunedin homes are frequently original to the build, meaning single-pane aluminum with no impact rating. The moment you pull one, the opening fails current Florida Building Code wind-load requirements. We install fusion-welded impact-rated vinyl sliders that fit the existing rough opening in most cases, which keeps the job to a single day and avoids reframing costs. A 6-foot impact slider for a Dunedin CBS ranch typically runs $2,800-$4,200 installed, depending on mullion configuration and finish.

Panoramic Sliding Systems
For Dunedin homes with open water views or pool decks, multi-panel panoramic sliders create wide openings without the header retrofit cost of a full wall removal. These systems run on recessed tracks and use heavier rollers than standard patio doors. Expect $8,000-$18,000 on a typical Dunedin ranch, with the higher end reflecting four-panel glass packages and stainless hardware. County inspectors will want engineering on the lintel if we modify the opening, and we include that in the scope before quoting.

Heavy-Duty Sliding Doors
On Dunedin acreage parcels with shops, barns, or detached garage conversions, we install heavy-duty sliders rated for oversized openings and daily working use. These are not the same track systems as a residential patio door. Heavier gauge rail, tandem steel rollers, and reinforced frames. Cost runs $12,000-$22,000 depending on opening width and whether the slab edge can carry the track without repair. We pull the county permit record and check septic and well setback lines before we propose where a door can go.

Pocket & Barn Doors
Detached ADUs and workshops on Dunedin acreage frequently call for pocket doors that slide into wall cavities or barn-style sliders that hang on exterior tracks. Pocket doors save floor space in tight quonset shops and garage conversions; barn doors work where the wall is exposed and the hardware can be sized for coastal air. We use stainless or powder-coated hardware on any exterior application this close to the Sound. Budget $1,800-$4,500 for a standard installation, more if the rough opening requires reframing in an old block wall.

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 Dunedin
We are authorized installers for more than a dozen manufacturer lines, and on Dunedin jobs we quote Andersen, Marvin, and PGT side by side on paper so you can see the exact glazing package, frame material, and hardware spec before you spend a dollar. We register both warranty layers in writing before we leave the driveway. Parts for common Dunedin slider failures, including salt-pitted rollers, replacement threshold pans, and impact-rated insulated glass units, are stocked locally or ordered fast from our Miami dispatch office, with crews scheduled for Dunedin weekly.
Common Sliding & Patio Doors Problems We See in Dunedin Homes
- Salt-corroded aluminum tracks and rollers. West-facing sliders near the marina or on the open water side of Edgewater Drive lose roller bearings to salt pitting within a few seasons. The door sticks, drags, or jumps the rail. The fix is not just new rollers; it is a track material and roller metallurgy spec that survives St. Joseph Sound air.
- Failed insulated glass in original single-pane aluminum frames. Fogged panes mean the seal is gone and the argon has escaped. There is no insulation value left, and the corroded frame is often letting wind-driven rain behind the jamb. Replacing glass alone in a pre-1990 slider leaves you with a non-impact-rated opening, which fails code the moment you touch it.
- Non-impact sliders with no shutter system. A direct hit from a Gulf storm track can shatter a non-rated panel and pressurize the house, blowing out windows and lifting the roof. Dunedin sits entirely inside the Wind-Borne Debris Region, so this is not optional. Every slider we install here is impact-rated or paired with an approved shutter system.
- Binding doors from settled slabs and out-of-true jambs. Older Dunedin CBS homes shift. The slab settles, the opening gets slightly rhomboid, and the door binds in July when the frame expands in humid salt air. We square the jamb and set the roller height properly, not just adjust the existing hardware and hope.
Pricing for Sliding & Patio Doors in Dunedin, FL
For planning purposes: a standard 6-foot impact-rated vinyl patio slider in Dunedin runs $2,800-$4,200 installed. Panoramic systems start around $8,000 and run to $18,000 depending on panel count and glass package. Heavy-duty sliders for shops and oversized openings land between $12,000 and $22,000. Pocket and barn doors run $1,800-$4,500. The variables are opening width, frame material, whether the existing rough opening is square and intact, and whether county permitting shows any septic or well setbacks that constrain where the door can open.
What changes the price most in Dunedin is the impact-rating requirement. A non-rated slider costs less to buy and cannot be legally installed here. We quote the compliant option first, because the alternative wastes your money and our time. We also check the wind-mitigation inspection potential up front, because a new impact-rated slider often lowers the homeowner insurance premium enough to offset a meaningful share of the door cost within a few years. Call (813) 320-9346 for a free, line-item estimate. The quote is in writing, with no change orders unless you change the scope.
We Also Serve Cities Near Dunedin
Our crews cover all of Pinellas County, including Sliding & Patio Doors in Dunedin and the surrounding communities. We regularly work in Pinellas Park, Largo, Seminole, and Bay Pines. The permitting and code requirements shift slightly by municipality, but the coastal corrosion reality follows the waterline, and we spec accordingly.
Serving Dunedin, FL - Our Local Coverage Area
We’re based in the Dunedin 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 & Patio Doors in Dunedin
Yes. Dunedin falls under Pinellas County permitting, and any exterior opening replacement in the Wind-Borne Debris Region requires a permit and inspection, even for a like-for-like size swap. The county wants to see impact-rated glazing or an approved shutter system on the new door. We pull the permit for you and handle the inspection scheduling. Call (813) 320-9346 and we’ll confirm what your specific home needs before you commit.
You can, but you shouldn’t. Once you touch a pre-1990 slider in Dunedin, the opening must meet current code, and that single pane will not pass wind-load. Worse, the corroded frame is likely letting water behind the jamb, which means you’re paying for glass while the real damage continues. The right move is a full replacement with an impact-rated unit sized to the existing opening, which most of the time costs only marginally more than a glass-only repair done to code. We’ll show you both numbers on paper. The phone is (813) 320-9346.
Yes. We pull the county permit record and check septic and well setback lines before we propose any opening location. On acreage parcels, those setbacks can prevent a slider from opening toward a drain field or wellhead, and the county will enforce it. We also check whether the slab edge can carry a heavy-duty track without repair. That’s standard scope work for us on Dunedin acreage jobs, and it happens before you ever see a quote, not after.
A new impact-rated sliding door, documented with the manufacturer’s impact certification and installed to code, is one of the line items a wind-mitigation inspector credits on a Florida Uniform Mitigation Verification Inspection. In Dunedin, where Citizens Property Insurance and private coastal carriers scrutinize every opening, a compliant slider can meaningfully reduce your wind premium. Ask your agent about the specific discount for your policy, then call (813) 320-9346 for a quote that includes the documentation your inspector will want to see.
Salt-laden air off St. Joseph Sound pits exposed roller bearings and aluminum track surfaces faster than inland air. If the original install used economy rollers with unsealed bearings, the salt gets in and grinds them down. The fix is a roller and track spec made for coastal exposure: sealed stainless bearings and corrosion-resistant track. On new Dunedin construction, we routinely replace builder-grade slider hardware within the first two years because the original spec didn’t account for this air. Call (813) 320-9346 for an evaluation and a hardware quote.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Dunedin and Pinellas County with impact-rated sliding and patio doors 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