CGI Sliding & Patio Doors Nationwide | Sightline Windows & Doors Doral

CGI Sliding & Patio Doors: The Doral Owner’s Guide

CGI sliding and patio door repair in Doral typically runs $340-$780 for roller and track restoration, and $1,800-$4,200 for full panel replacement with impact-rated glazing installed. We stock CGI-compatible rollers, tandem assemblies, and weatherstrip profiles on our Doral trucks, and most single-component repairs are completed in one visit. The measured survey we perform before quoting becomes your written scope - the same document governs the final invoice.

Call (786) 460-1563

Most Doral homeowners discover a problem when the door starts catching at the sill during afternoon humidity spikes, or when they notice the panel rocking in the track after a storm season. Sometimes it’s the telltale grind of a cracked roller housing, or daylight showing where the weatherstrip has compressed after years of UV exposure. These doors get cycled hard in South Florida - pool access, patio traffic, and the near-constant pressure differential from air conditioning working against outdoor humidity.

Which CGI Models This Applies To

CGI’s sliding and patio door program breaks into three series that matter for parts matching: the Estate Series (ES) with its heavier 3-inch frame depth, the Sentinel Series with the slimmer 2.5-inch profile, and the commercial-grade Targa line. The roller assemblies are not interchangeable between these frame depths - an Estate tandem roller will bind in a Sentinel track, and the Targa’s stainless steel truck uses a wider axle spacing that won’t seat in residential hardware.

To identify your series, check the etched mark on the glass spacer bar visible when the door is open about six inches. Estate markings start with “ES-“, Sentinel with “SNT-“, Targa with “TRG-“. If the label is worn, measure the frame depth at the lock stile: 3 inches points to Estate, 2.5 to Sentinel, 3.5 to Targa. We carry OEM CGI rollers and tracks, plus a tested aftermarket line from C.R. Laurence that matches CGI’s stainless steel specifications at a lower price point - we specify which we’re proposing and why. Sightline Windows & Doors Doral is an independent service provider, not affiliated with CGI.

Signs Your CGI Sliding & Patio Door Is Failing

• The panel drags or stalls at the sill. This usually means the tandem roller housing has cracked or the bearings have seized. In Doral, we see this accelerate when irrigation spray hits the track regularly - the hard water deposits work into the bearing race and the housing fatigues from the uneven load.
• Visible gap at the meeting stile when closed. The interlock weatherstrip has compressed past recovery or the panel has dropped on worn rollers. Once the seal breaks, you’re running your AC against outdoor air and the lock tongue no longer engages its keeper fully.
• Grinding or popping sound during operation. The roller axle is walking in a cracked housing, or debris has embedded in the track itself. We find palm frond fibers and sand particularly destructive to CGI’s precision-milled track profiles.
• Panel rocks vertically in the frame. The roller adjustment screw has backed out or the roller itself has collapsed. This puts shear stress on the track wall and will deform the extrusion if left uncorrected.
• Lock mechanism sticks or won’t engage. Often misdiagnosed as a lock failure when it’s actually panel misalignment from roller wear. The lock tongue and keeper are precise-tolerance parts - forcing them accelerates wear on both.

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Replacement Cost & What’s Included

What drives the range: frame depth (Estate parts cost more than Sentinel), glazing specification (clear vs. Low-E vs. impact-rated laminated), and whether the rough opening needs remediation. We don’t quote until we’ve measured - Haven Clause 1 means the price in your hand before work starts is the price on the final invoice. Every job carries the 365-Day Done Right Promise under the Haven Standard, and leaves a documented photo record you can review against the written scope.

DIY or Call Us?

What you can safely check: clear the track of debris with a vacuum and stiff brush, verify the weep holes aren’t blocked (common in Doral where sprinkler overspray leaves mineral deposits), and confirm the lock keeper screws are tight. These take ten minutes and cost nothing.

Where DIY goes wrong: the tandem roller assemblies on CGI doors are spring-loaded and under significant tension. Removing the panel from the track without supporting the weight properly can crack the frame corner or shear the roller axle - we’ve replaced enough homeowner-damaged sills to know the pattern. The adjustment screws are also easy to strip if you don’t know the torque spec, and once the panel is out, realigning it to the proper sightline measurement (the visible glass edge relative to the frame) requires a level and a practiced eye. We don’t recommend panel removal as a weekend project.

If you’re hearing the grind or feeling the catch, call (786) 460-1563. We’ll measure it right the first time. Everything else follows from that.

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