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CGI Sliding & Patio Doors: The Port St. Lucie Owner’s Guide
We stock, match, and install rollers, handles, locks, interlock strips, and weather seals for CGI sliding glass and patio doors, and we carry the replacement sliding door panels themselves when a full sash swap is the smarter call. A full CGI patio door replacement in Port St. Lucie typically runs $1,800 to $4,800 installed, while a roller-and-track rebuild on an existing panel usually lands between $240 and $520 parts and labor. Most owners find us the same week the door starts grinding across the track or the lock stops throwing, and we can diagnose the failure the same day.
What usually brings the call is concrete: the door has been taking both hands to move for six months, or it drops an eighth of an inch and catches the track when you pull it closed, or the latch no longer bites cleanly against the interlock. In a coastal climate like ours, the rollers and the pile weather seal are the first things to give out, not the glass. That’s the detail most repair work misses.
- Quick answer: CGI-compatible replacement parts and full door panels are in stock, matched to your frame series and glass thickness.
- Typical Port St. Lucie installed price: $240 to $520 for rollers, locks, and seals; $1,800 to $4,800 for a full patio door.
- What fails first: the tandem steel rollers and the bottom interlock seal, rarely the impact glass itself.
- Call (772) 362-3326 and a live person answers, day or night.
Which CGI Models This Applies To
CGI’s sliding door lines across Port St. Lucie break into two main families: the Estate and Estate Impact series for most residential work, and the Clarity line on newer construction. The difference matters when you’re chasing a part, because the tandem roller assemblies changed across those product generations, and what fits a 2006 Estate door will not seat correctly in a 2021 Clarity track. We identify the exact door from the sticker on the interlock stile, the glass thickness (5/16″ versus 7/16″ laminated), and the track profile, then match accordingly.
On a parts-level repair, we install genuine CGI OEM components when the door is still under the manufacturer’s warranty, because using an aftermarket roller there will void the warranty coverage on that panel. When the door is out of warranty, a machined stainless aftermarket roller from a supplier like Prime-Line or Slide-Co is often the better value, and we quote both on paper before any work starts. One Port St. Lucie consequence worth knowing: a plain steel roller will pit within five years of salt-heavy air near the C-24 canal neighborhoods, while a 316 stainless roller will run twice that. We default to stainless on any west-facing patio door within two miles of the river.
Signs Your CGI Sliding & Patio Door Is Failing
- The door drags or you have to lift it to move it. The tandem rollers are flattened or the axle is corroded, and lifting the sash to brute-force it open is how the bottom track rail gets gouged.
- The leading edge drops visibly when the door is open halfway. The roller housing has loosened in the stile, and every cycle now grinds the screw threads deeper into the aluminum.
- The latch handle spins without catching, or the hook misses the keeper. The interlock stile has sagged out of plane, which is the repair most owners misdiagnose and every handyman underbid misses.
- Air, dust, or the neighbor’s barbecue smoke moves through the closed door. The pile weather seal on the interlock and the bottom is crushed flat, a five-year wear item in Port St. Lucie heat.
- The track fills with sand and grit after every rain. The bottom sweep is hard as a board rather than compressing, and what’s now scraping the track is the raw aluminum rail.
Replacement Cost & What’s Included
For a full CGI sliding door in Port St. Lucie, installed pricing sits between $1,800 and $2,800 for the standard two-panel in an existing opening, $2,600 to $3,900 for a three-panel with a fixed lite, and $3,200 to $4,800 for a full Estate Impact door with laminated glass. The spread is mostly the frame size, the glass package, and whether we’re reusing the existing buck or reframing a rotted sill. A roller, lock, or seal rebuild runs $240 to $520, and you’ll know the exact labor and parts line items before we touch the door.
Every replacement carries our Done Right Promise and The Keystone Standard: we register both warranty layers in writing, state the durations on the invoice, and the workmanship guarantee is ours to honor, no arbitration threat or runaround. On the parts rebuilds, we show you the old roller next to the new one before it goes in the track, so you can see exactly what failed.
DIY or Call Us?
A homeowner can safely check three things: whether the track is clean, whether the screws on the handle are tight, and whether the door visibly drops on one corner. None of those fix a roller that’s flattened inside the sash, and getting inside a CGI panel means lifting a 180-pound glass and aluminum assembly off its track while the door is still in the wall. That’s the part where the door leans, the glass catches the corner, and a repair turns into a replacement.
The honest guidance from the job site: if the door needs lifting to move, the repair is beyond what a weekend can safely absorb. Call (772) 362-3326 and one of us will talk you through what you’re seeing, quote the repair, and schedule the truck. Every estimate is free and written, no obligation.
FAQs
Figure 7 to 12 years on original equipment rollers, leaning shorter on doors that face the ocean breeze and catch sand, and longer on north-facing interior doors that stay clean and dry. When the door stops moving with one hand, the rollers are telling you they’re through. Call (772) 362-3326 and we’ll quote the exact repair in the first visit.
If the track is gouged deeper than about 1/16 of an inch, it cannot be resurfaced and the rail has to be replaced; shallow wear from a hard sweep can sometimes be cleaned up and kept in service. We’ll tell you which one you have before recommending any parts, and the estimate is free.
Most roller and seal rebuilds on a single panel are done in under two hours, with the door back on the track and adjusted to close square. A full door replacement typically takes half a day of installation, plus the time to register the warranties before we leave the driveway.
We carry the common CGI Estate and Clarity rollers, handles, interlocks, and pile seals on the truck, and we can order in any OEM component that isn’t standard inventory. If it’s a part we install regularly somewhere in St. Lucie County, we’re already carrying it. Call (772) 362-3326 and we can confirm what your particular model needs.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Port St. Lucie and nearby areas.
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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