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CGI Windows & Doors: The Dallas Owner’s Guide
If you’ve got a CGI window or door that’s not closing right, fogging between the panes, or binding in the frame, we stock the replacement hardware, balances, rollers, and weatherstripping to get it working again, and we install it. Typical parts-and-labor service on a CGI unit in Dallas runs $175 – $700 depending on what failed, and we can usually have a technician out within a few business days. Most owners discover the issue when a window drops hard, a sliding door starts grinding, or the lock no longer throws cleanly.
CGI builds impact-rated windows and doors meant to survive coastal wind codes, and Dallas gets enough hail, dry heat, and dust to work through the moving parts faster than the glass. We’ve handled enough of these units across Oak Cliff, Lake Highlands, and the M Streets to know which parts wear first and what’s worth replacing versus repairing.
Which CGI Models This Applies To
CGI’s product lines include the Estate Collection, Targa, and Sentry series, across casement, single-hung, horizontal roller, and sliding glass door configurations. The parts inside each series differ, and that’s the first thing to get right. A Sentry balance assembly won’t fit an Estate single-hung; the shoe profiles and spring ratings aren’t interchangeable, even when both windows are the same physical width.
To identify your unit, look for a small sticker or engraved marking on the head jamb or on the edge of the sash. It will list the series name, manufacturing date, and sometimes a DP (design pressure) rating like DP50 or DP60. If that label’s gone, we measure the glass thickness, the frame wall, and the hardware mounting pattern to match the part. For CGI specifically, we recommend OEM where the part affects water or air sealing: weatherstripping profiles, sill gaskets, and interlock seals. For mechanical parts like rollers, locks, and balance springs, we carry an aftermarket catalog that meets or exceeds the original spec, usually at 30 – 50% under OEM pricing. Our relationship with Mason Remodeling’s supplier network covers CGI-compatible parts alongside the other lines we stock, like KraftMaid cabinetry hardware and Cambria or Silestone surface trim, so we are set up to order non-stock items faster than a homeowner chasing parts on their own.
Styles & brands we work with
Signs Your CGI Windows & Doors Is Failing
- Window won’t stay open, or drops when released. The block-and-tackle or spiral balance has lost tension, or the pivot shoe cracked. In Texas heat, the nylon components and internal spring grease break down faster than in milder climates, and a window that slams shut is a sign the balance is done, not dirty.
- Sliding door grinds, skips, or takes real shoulder to move. The tandem rollers are flat-spotted or seized from years of Dallas dust and grit grinding against the track. Replacing the roller assembly – not spraying more lubricant – is the fix, because once the ball bearings are sanded down, no amount of silicone spray restores them.
- Condensation or haze trapped between the panes. That’s a broken seal, which means the insulated glass unit (IGU) has failed. The thermal spacer loses adhesion over time, especially with wide Dallas temperature swings, and haze between the glass is the moisture that got in. The fix is an IGU replacement; cleaning the outside will do nothing.
- Lock doesn’t throw, or the handle spins without engaging. The multipoint lock rods are out of alignment, or a gear segment inside the handle housing stripped. This is also a corrosion issue, but more often it’s just mechanical wear in the cam and shoot bolts that CGI uses on swing doors.
- Air and dust leaking around the frame edges. The wool pile or fin seal weatherstripping has compressed flat. In Dallas, where dry winds carry fine dust, you’ll see it as a line of grit on the sill. New weatherstripping is a low-cost part and one of the highest-value fixes we do.
See the difference
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After
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AfterReplacement Cost & What’s Included
For a CGI window or door in Dallas, expect the following installed ranges:
- Balance or spring replacement: $175 – $325 per window, including the new part and adjustment of both sashes
- Roller replacement on a sliding door: $225 – $400, including new rollers, track cleaning, and alignment
- Weatherstripping replacement per opening: $120 – $275, depending on linear feet and the profile type
- Lock or handle replacement: $150 – $350, depending on single-point versus multipoint hardware
- Insulated glass unit replacement: $350 – $700 per sash, depending on glass size and whether it’s impact-rated
The spread comes from the unit size, the series, and whether we’re working on a second-floor window requiring ladder setup. Every job gets a written price before work starts – not a verbal range that grows later. The labor is covered by our 365-day workmanship guarantee from the completion date, and parts carry their manufacturer’s or aftermarket supplier’s warranty, which we’ll put in writing too.
DIY or Call Us?
There are a few things you can safely check yourself. For a sliding door, look for debris built up in the track and vacuum it out. For a stuck window, check that no paint or adhesive has bridged the frame, and that the sash is seated square. Avoid forcing anything; a window under tension from a broken balance or a twisted frame should not be muscled.
What we don’t recommend is opening up a balance housing or pulling a multipoint lock without knowing the assembly. CGI doors use a shoot bolt system routed inside the door panel, and taking apart the gearbox under spring tension can fire small parts or leave you with a door that won’t close or lock at all. That’s the difference between a $200 repair and a dead-bolted door at 11 p.m. If you’re not sure, call us and describe what’s happening. If it turns out to be simple, we’ll tell you so over the phone at (432) 302-8761.
FAQs
Frames and sashes typically last 25 – 35 years in Dallas, but the moving parts – rollers, balances, weatherstripping, and locks – realistically need replacement every 8 – 12 years under Texas heat and dust. Call (432) 302-8761 if you’re in that window and starting to see symptoms.
Rollers and locks are occasionally repairable by cleaning and regreasing, but balances and weatherstripping are almost always replacement-only once they start failing, because the spring or polymer material itself is spent. Call us for an honest read on your specific unit.
Most window and door part replacements take 1 – 2 hours on site, with the exception of insulated glass units, which take 7 – 10 business days to fabricate before the 1-hour swap is scheduled. We’ll give you a timeline in writing before we start.
We stock the most common replacement parts across Dallas – rollers, weatherstripping, locks, and assorted balances – and keep those on the truck. Uncommon items like an impact IGU or a specific handle finish may need to be ordered, typically arriving in under two weeks.
Written by Isaac Pruett, Owner, Mason Remodeling Co Dallas at Mason Remodeling Co Dallas, serving Dallas and nearby areas.
