Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Why Tamiami Homeowners Choose CGI Windows & Doors
CGI Windows & Doors in Tamiami, FL service requires a technician who understands both the product line and Miami-Dade County’s unincorporated permitting rules. We provide independent CGI repair and installation across Tamiami, with every job starting from a measured survey you keep and a written price that does not change.
CGI has been a staple in South Florida impact-rated openings for decades. Their vinyl-framed single hung, double hung, horizontal roller, and 3-panel sliding units are common in the 1960s-1980s CBS ranch homes that dominate Tamiami’s housing stock, especially along the Tamiami Trail corridor where owners have upgraded from original single-pane aluminum to hurricane-rated glazing. We are not affiliated with or authorized by CGI. We are an independent service provider that has worked on enough of their product to know what fails, what can be fixed, and when replacement is the honest call. If you need CGI service in Tamiami, call us at (786) 321-9118 to schedule your free estimate.
Why Trust Sightline Windows & Doors Tamiami for Your CGI Windows & Doors?
Our technicians have handled CGI frames, sashes, and impact glazing units across Tamiami and greater Miami-Dade for years. We know how the nylon rollers on CGI horizontal sliders flatten in the near-constant humidity that rises off the Everglades and Big Cypress basin. We know how the weep holes on CGI vinyl frames clog with organic particulates from that same wetland airflow, causing water to back up and pool. And we know which CGI parts carry the Miami-Dade NOA required for every permit pulled through the Miami-Dade County Building Department, not just the Florida Product Approval that passes in Broward or Collier but fails inspection here.
Sonia Raman, who leads our operation, grew up in Miami and learned glazing at Miami Lakes Educational Center, where the program graded on fit, not effort. She has spent well over a decade measuring and installing across South Florida, with Tamiami a consistent part of her territory. Her crew has done replacement work in the neighborhoods abutting Tamiami Trail more times than she can count, including a full impact-window retrofit near the Miccosukee Resort corridor. She is known for reading a rough opening correctly the first time and for ordering product that matches Miami-Dade NOA requirements before a permit question ever comes up. When she is not on a job site, she is usually recalibrating a door threshold herself rather than waiting on a callback. That is the standard we apply to every CGI opening we touch.
Common CGI Windows & Doors Problems We Fix in Tamiami

- Roller and track wear on CGI horizontal roller and 3-panel sliding units. The nylon rollers on CGI sliders compress and flatten over time, especially under the weight of laminated impact glass. The bottom track packs with grit from Tamiami’s dusty, humid air. The result is hard operation, sash drag, and panels that “jump” out of the track. We replace the roller assemblies with matching-profile parts, straighten or re-anchor bowed frames, and clean and lubricate the track.
- Glazing gasket shrinkage and seal failure around CGI impact IGUs. The rubberized gaskets that seal the glass to the vinyl sash shrink and harden in South Florida’s UV exposure. Once the seal fails, moisture migrates into the insulated glass unit, causing fogging between the panes. The bigger problem: a compromised seal reduces the impact rating of the glazing, which means the window may not perform under debris impact even if the glass looks intact. We assess whether the IGU can be resealed or if the glazing unit needs replacement.
- Weep hole and drainage channel clogging on CGI frames. Tamiami’s humidity and organic particulates from the Everglades basin accelerate mold and algae growth in the drainage channels of CGI vinyl windows. When weep holes clog, water ponds in the bottom track instead of draining to the exterior. That backup rots wood sills, warps vinyl frames, and breeds the musty odor that homeowners notice before they see the damage. We clear the channels, verify proper slope, and replace corroded drainage covers.
- Hinge and multi-point lock misalignment on CGI entry and French doors. Slab settlement and thermal expansion in Tamiami’s concrete block construction push door frames out of square. The multi-point locking systems on CGI hurricane doors depend on precise alignment; even a few millimeters of shift causes latch drag, incomplete engagement, and air and water leaks at the weatherstrip. We diagnose the frame, adjust or shim the hinges, and reset the lock points to factory spec.
- Frame bowing and anchor failure in sun-exposed CGI units. The dark-colored vinyl frames on south- and west-facing CGI windows absorb significant thermal load in Tamiami’s intense sun. Over years, that heat cycling can bow the frame, stress the corner welds, and pull anchor screws from the CBS block. We straighten and re-anchor the frame, or recommend full replacement if the structural integrity is compromised.
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AfterCGI Parts & Our Repair-vs-Replace Approach
We source genuine CGI replacement parts when they are available and lead times are reasonable. When CGI discontinues a part or OEM backorders stretch past what a Tamiami homeowner should wait, we stock durable, code-compliant aftermarket rollers, gaskets, hinges, and hardware that match CGI profiles and carry the Miami-Dade NOA required for this market.
For Window Installation services or CGI windows with failed seals or impact glazing, we are honest about the math. If the frame and sash are sound, a targeted parts repair is almost always cheaper than replacement. If the frame is cracked, bowed, or the IGU has lost its impact rating, full unit replacement is the right call. We will tell you which side you are on, and we will put that in writing before any work starts. Call (786) 321-9118 for a free estimate and a written scope.
Our CGI Service Process - Step by Step

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Measured diagnosis. We arrive with the license number you were given at booking. We inspect the CGI unit, document frame readings and sightline measurements, and identify the specific failure: roller wear, seal degradation, drainage blockage, or lock misalignment. You receive a copy of the measured survey.
- 2
Written scope and price. Before any tool is lifted, we present a written quote that matches the measured survey. The price is fixed. This is Haven Clause 1: Have it in writing.
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Repair or install with documented evidence. We perform the work using OEM or matching-profile aftermarket parts that meet Miami-Dade NOA standards. Every step is photographed for the evidence record you receive at completion.
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Operational test and code check. We cycle the window or door through its full range, verify lock engagement, check weep drainage with a water test, and confirm impact-label legibility for inspector visibility.
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Warranty documentation. The job closes with the documented photo record, the final invoice matching the written quote, and the 365-Day Done Right Promise stamped under the Haven Standard.
CGI Products We Service & Install in Tamiami
We work on the full range of CGI impact-rated vinyl window and door systems found in Tamiami homes: single hung and double hung impact windows; horizontal roller (slider) impact windows; 3-panel sliding glass and 3-lite roller impact windows; and hurricane impact entry and patio door systems. We stock commonly needed rollers, gaskets, and hardware for these lines locally to avoid the lead times that can stall a Miami-Dade permit schedule. For full replacements, we specify by what the opening requires under current HVHZ code, not by what is in our warehouse.
We Also Service These Brands

Our multi-line capability means we are not dependent on any single manufacturer. We also service and install PGT, CWS, ES Windows, and ECO Window Systems products, along with Therma-Tru entry systems, Mr-Glass specialty glazing, and ViewLux architectural windows. This matters in Tamiami because mixing brands across a home’s openings is common, and a technician who knows only one line will miss the integration details.
FAQs - CGI Windows & Doors Service in Tamiami
No. We are an independent service provider, not affiliated with or authorized by CGI. We service CGI product based on field experience with their frames, hardware, and glazing systems, and we source OEM or matching-profile aftermarket parts as appropriate. Our independence means we give you repair-or-replace guidance based on the condition of your unit, not a manufacturer’s sales target.
We use genuine CGI parts when they are available and lead times are acceptable. When OEM parts are discontinued or backordered, we use code-compliant aftermarket components that match CGI profiles and carry the Miami-Dade NOA required for permits in unincorporated Miami-Dade County. We document what goes into your unit and why.
Most CGI repairs we diagnose in one visit and complete in a single return trip, assuming parts are in stock. Full unit replacements require permit submission to the Miami-Dade County Building Department, which adds time to the front end. We do not quote permit timelines we cannot control, but we do file correctly the first time so inspections pass without the delays that come from FL-only product approval in a NOA-required jurisdiction. Call (786) 321-9118 to schedule your free estimate and get a realistic timeline for your specific job.
We service CGI impact-rated single hung and double hung vinyl windows, horizontal roller impact windows, 3-panel sliding glass and 3-lite roller impact windows, and hurricane impact entry and patio door systems. If you have a model number from the label, we can confirm coverage before we arrive.
CGI’s original warranty terms apply to defects in materials and workmanship from the factory. Independent service does not automatically void a warranty, but warranty claims for factory defects must go through CGI directly. Our work is covered by our own 365-Day Done Right Promise under the Haven Standard, and we document every part and procedure so there is no confusion about what we touched versus what left the factory.
CGI roller and track repairs in the Tamiami market typically run $180-$340 per opening. Glazing seal and IGU work ranges $280-$550 depending on glass size and whether the impact rating must be preserved with laminated replacement. Full CGI unit replacement, including permit and Miami-Dade NOA-compliant product, generally starts around $1,200-$1,800 per opening for standard sizes. These are ranges based on our local work; your exact price comes from the measured survey we perform at no charge. Call (786) 321-9118 to schedule your free estimate - the written quote is yours to keep, and it will not change once issued.
Book Your CGI Service in Tamiami, FL

We have worked on CGI product in Tamiami long enough to know that “measure it right, order it right, install it once” is not a slogan here, it is the only way to avoid a second permit pull. If your CGI windows are dragging, leaking, or failing inspection, call (786) 321-9118. We will answer live, schedule your free measured survey, and hand you a written price before any work starts.
Written by Sonia Raman, Owner at Sightline Windows & Doors Tamiami, serving Tamiami and greater Miami-Dade since 2012.










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