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CGI Windows & Doors: The San Antonio Owner’s Guide
If you have a CGI window or door with a failed part, we stock and install CGI-compatible hardware, glass, and seals here in San Antonio, with most swaps running $250 to $1,800 installed depending on the part. You’re usually on this page because something stopped working the way it should: a latch that won’t catch, a roller that grinds, a seal that’s letting in Texas dust and humidity, or glass that fogged between the panes. CGI builds a serious coastal-rated product, but San Antonio’s heat, hard water, and seasonal storms find the weak points in any window or door over time. We’ll help you identify the part, price it honestly, and get it fixed without replacing the whole unit. Most CGI window and door part jobs are one-visit fixes: we diagnose, confirm the part number, and install it with a written price before any work starts.
Which CGI Models This Applies To

CGI product lines we service and source parts for include the Estate Collection, Tribute, Estate Entrances, and Sentinal impact-rated window and door series. The compatibility issue with CGI comes down to serial numbers and build sheets. CGI windows and doors are engineered for high-wind and impact zones, which means each unit gets a specific frame, glass package, and hardware set tied to its original order. You can’t always swap a roller assembly from one CGI model into another, even if the glass size is identical. The easiest way to identify your part is to look for the CGI label, usually on the frame edge or the top rail of a door panel. That label shows the series, glass type, and manufacture date. Take a photo of it before you call anyone. It saves a full day of back-and-forth.
For hardware like hinges, rollers, and multipoint lock gearboxes, we default to OEM CGI parts when the unit is still under warranty or when the hardware is safety-critical. For seals, weatherstripping, and glazing beads, we sometimes use quality aftermarket equivalents that match or exceed the original spec. Here’s the reality: CGI’s coastal-rated design means tighter tolerances than typical builder-grade windows. A generic roller that’s ¼ inch off changes how the door hangs. We’d rather match the exact part than gamble. If you can’t find your label, tell us the rough dimensions and material of the frame, and we’ll work backward from there. Isaac Pruett has learned over two decades that chasing the wrong part number costs more in labor than the part itself ever will.
Styles & brands we work with







Signs Your CGI Windows & Doors Is Failing
- Fogged glass or moisture between panes. The insulated glass unit’s seal has failed, and in San Antonio’s humidity cycles, that’s a slow death. You’re looking at a glass replacement, not a seal repair. The unit’s argon or krypton fill is already gone.
- Sliding door that drags or jumps the track. CGI sliders are heavy, especially with impact glass. A worn roller assembly or a bent track sends all that weight off-line, and every slide grinds the track worse. Continuing to force it wrecks the track too.
- Multipoint lock that won’t throw all the way. CGI’s multipoint locks are security hardware. If the gearbox or shoot bolts bind, the door may look locked but isn’t fully engaged. That’s a security issue you shouldn’t ignore.
- Drafts or dust along the frame edges. Weatherstripping and corner seals compress and crack in San Antonio heat. You’ll feel the draft at the strike stile first, and see fine dust on the sill after windy days. The fix is new seal material, but it has to be the right profile for CGI extrusions, not generic foam tape.
- Crank-out window that cranks but doesn’t seat. The operator mechanism or the sash hinge is worn, so the window closes but won’t compress the seal. In a CGI casement, a floating sash means the impact rating no longer means anything. You lose the seal, and the glass isn’t fully supported in a storm.
See the difference
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AfterReplacement Cost & What’s Included

For San Antonio homeowners, here’s what CGI part and labor pricing looks like, installed:
- Roller assembly replacement (sliding door): $180 – $450 per door, including hardware and track adjustment.
- Multipoint lock gearbox replacement: $350 – $800, including lock strip alignment and testing.
- Weatherstripping and seal replacement: $250 – $600 per unit, depending on door size and seal profile.
- Insulated glass unit replacement (IGU): $450 – $1,800 per sash, depending on glass size, tint, and impact rating.
- Operator and hinge replacement (casement/awning): $250 – $700 per window.
Every quote from Mason Remodeling Co San Antonio includes the part, the labor to install it, and the cleanup. Our written price comes before work starts, and if the repair fails within 365 days from the completion date, we come back and fix it at no cost under our 365-Day Done Right Promise. That’s part of how we operate, not a promotion. One note on glass: CGI units with impact ratings and tinted or Low-E coatings cost more and take longer to source than standard IGUs. We’ll tell you which one you have before we quote it.
DIY or Call Us?
Some CGI parts are safe to inspect and even replace yourself. Weatherstripping on a slider, for example: if you can see the old seal peeling out of its groove and you find the exact same profile, a careful homeowner can swap it in an afternoon. Cleaning a slider track is another honest DIY job. But here’s where we see homeowners get hurt or break the unit: multipoint lock gearboxes, spring-loaded balances, and anything involving the glass itself. A CGI door panel weighs far more than a standard door panel, particularly with impact-rated glass. If a panel comes off its track and you’re not set up for it, you can lose control of a 200-pound slab. Torsion springs and balance systems under tension can cause serious injury. If the fix involves hardware under load or a panel coming out of its frame, call us at (254) 269-5071. We’ll send a crew member whose name and photo you’ll have before they arrive, per the Threshold Standard.
FAQs

CGI aluminum and vinyl frames are built for 25 to 40 years of service life, with the insulated glass units typically lasting 15 to 30 years depending on exposure and thermal stress in San Antonio’s climate. Hardware like rollers and lock gearboxes fails earlier than the frame and glass, usually within 8 to 12 years under heavy use or hard water conditions. If the glass is fogged, the seal is gone and replacement is the fix, not repair. Call (254) 269-5071 and we’ll tell you what your specific unit is worth repairing versus replacing.
Weatherstripping and some track components can be repaired or adjusted, but once a roller bearing, lock gearbox, or insulated glass seal fails, replacement of the part is the only honest fix. The underlying components are not serviceable, and trying to patch them leaves you with a door or window that still fails. We’ll tell you which category your part falls into over the phone, and our written estimate confirms it before we touch the unit.
Most hardware swaps like rollers, lock gearboxes, and weatherstripping are done in a single visit of one to three hours. Insulated glass replacements take longer because the unit is cut and sealed to order, typically one to three weeks from measurement depending on the glass package. We handle the measuring, ordering, and install as one scope, with one written price.
We stock common CGI roller assemblies, weatherseal profiles, and lock hardware for the San Antonio market, and we keep OEM ordering channels open for less common model-specific parts. If you need a specific IGU matched to your CGI build sheet, we order it directly against your unit’s label and dimensions. We’re an independent service provider, not affiliated with CGI, but we work with their parts ecosystem because it keeps the repair honest and the door working the way it was built to work.
When you call (254) 269-5071, you get a live person, not a phone tree, and we’ll schedule a visit with a named technician you can expect at your door. Know who’s coming, know what it costs, know it’s covered — that’s the whole job before the job starts.
Written by Isaac Pruett, Owner, Mason Remodeling Co San Antonio at Mason Remodeling Co San Antonio, serving San Antonio and nearby areas.


