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CGI Home Additions & ADU: The Fort Worth Owner’s Guide
If you’re reading this, you probably have a CGI product that’s failing and you need to know what it’ll cost to make it right. Home additions and ADUs in Fort Worth run $45,000 to $130,000 depending on scope, square footage, and finish level. We stock and install CGI-compatible components, and we can usually get a written estimate in your hands within a few days of the walkthrough. Most owners discover the problem the hard way: a crack in the drywall that won’t stop growing, a floor that’s started to slope, or water showing up where it shouldn’t after a hard Texas rain. The sooner you address it, the cheaper the fix.
Key takeaways:
- Installed home additions and ADUs in Fort Worth typically run $45,000 to $130,000.
- We’re an independent service provider, not affiliated with CGI. We work with their product lines because they’re common in DFW builds.
- Written price before work starts, live arrival tracking, and photo updates are standard on every job.
- Call (682) 841-6652 for a free estimate. We answer live, 24/7.
Which CGI Models This Applies To
CGI’s product line spans a few different categories used in home additions and ADU construction. The most common we see in Fort Worth are their window and door systems, plus some wall panel components that get spec’d into pre-fabricated ADU kits. If you’re matching a part, start with the label sticker on the frame or edge of the component. CGI labels usually have a model code that starts with a letter and three digits, followed by a dash and a size code. That tells you the series, the dimensions, and sometimes the glass pack or panel rating.
The biggest compatibility gotcha with CGI components is the flange profile on their windows and doors. The original series used a nail-fin frame; newer CGI lines switched to a block-frame or integrated J-channel depending on the year. They don’t swap cleanly, so if you’re replacing one window in an addition, don’t assume the new model will fit the old rough opening without a trim detail change. For ADUs, the wall panel system matters too. Some CGI panel kits are engineered as a matched set. Replace one panel with a non-matching brand and the thermal and air barrier ratings stop meaning what they did on paper.
OEM parts from CGI are available but lead times can stretch, especially on older series. We’ve had good results with quality aftermarket equivalents for seals, tracks, and hardware. The decision comes down to what failed. If it’s structural or load-bearing, OEM or engineer-approved equivalent is the only call.
Styles & brands we work with
Signs Your CGI Home Additions & ADU Is Failing
- Cracks radiating from window and door corners. This usually means the framing or the CGI frame itself has shifted, often due to the clay soil in Fort Worth expanding and contracting through wet-dry cycles. The crack is a symptom, not the problem.
- Water staining or bubbling drywall near rooflines. The flashing where the addition ties into the original structure is the most common failure point. Over time, Texas sun and hail break down sealants, and water finds the gap.
- Doors or windows that stick or won’t latch. When an addition settles, the rough openings distort. This is more common in Fort Worth additions built on slab north of I-30 where soil composition shifts more aggressively.
- Unusually warm or cold spots in the new space. If a CGI panel or window seal has failed, you’ll feel it before you see it. Higher energy bills in the summer are the tell. The foil facing or gas fill in the panel has degraded.
- Visible gaps at trim joints or baseboards pulling away from walls. This indicates movement. A little seasonal movement is normal in DFW. A gap that widens month over month is not.
Replacement Cost & What’s Included
For a home addition in Fort Worth, you’re looking at $45,000 to $130,000 for a complete project. ADU construction runs $90,000 to $220,000. If you’re replacing a failed component rather than building new, the scope narrows. A window rebuild with a CGI-compatible replacement typically lands between $4,500 and $15,000. Wall panel replacement depends on how many panels and whether the framing behind them is still sound. Every project gets a written line-item price before any tool is picked up. The number on the invoice is the number you approved. That’s the whole point.
Our 365-Day Done Right Promise covers the workmanship. If it’s not done right, we make it right, in writing, for a full year after the job closes. The components themselves carry manufacturer warranties where applicable. We pull permits, pass inspections, and keep you updated with before-and-after photos at every step.
See the difference
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AfterDIY or Call Us?
If you’ve got a window or door that’s sticking, you can check the obvious: clear debris from tracks, tighten visible screws on hinges, and look for cracked caulk at the exterior joints. That’s about where safe DIY ends. The problem with any addition or ADU work is that you’re dealing with structural connections. A window that won’t latch might be a frame issue, a settling problem, or a header that was undersized in the first place. If you tear into that without understanding load paths, you can end up with a bigger problem than the one you started with. We’ve seen it happen. Framing, flashing, and panel replacement are not weekend projects.
If it’s structural, load-bearing, or involves the roofline, call (682) 841-6652. Luca Romano still does the walkthroughs himself. You’ll get a straight answer about what needs replacing and what doesn’t.
FAQs
Expect 20 to 30 years from properly installed CGI windows and panels, with seals and hardware needing attention around the 10 to 15 year mark in the Texas climate. Fort Worth’s hail, heat, and clay soil movement take their toll sooner than in milder regions. Call (682) 841-6652 for an exact assessment of what you have.
It depends on what failed. Seals, weatherstripping, and hardware can often be repaired for a few hundred dollars. Structural cracks, failed gas fills, or water-damaged framing usually require replacement of at least the affected section. We’ll tell you which one you actually need before you spend a dollar.
A single window or door replacement in a Fort Worth addition typically takes one to two days. Panel section replacement runs three to five days. A full ADU construction is a multi-month project. We’ll give you a clear schedule before we start, with live arrival times so you’re not waiting around on four-hour windows.
We keep common CGI-compatible hardware, seals, and track components on the truck: rollers, latches, weatherstripping, and fasteners. Larger components like window units and wall panels are ordered to spec once we confirm your exact model. Ordering the wrong size is a waste of your time and ours, so we measure twice, order once.
Get a Straight Answer on Your CGI Home Addition or ADU
The work talks. We just back it up. If your addition has a problem, don’t guess. Call (682) 841-6652 and we’ll schedule a time to see it. Luca will walk the space, tell you what’s wrong, and put a written price in your hands. Free estimate, no phone tag, no surprises.
Written by Luca Romano, Owner & Lead Remodeler, Sawyer Remodel Fort Worth at Sawyer Remodel Fort Worth, serving Fort Worth and nearby areas.
