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CGI Impact Garage Doors: The Lighthouse Point Owner’s Guide
We stock and install CGI-compatible impact garage doors in Lighthouse Point, with installed prices typically running $2,800-$5,400 depending on door size, wind-load rating, and hardware series. Most standard single-car replacements can be surveyed and quoted same-week, with the measured survey you keep and a written price before any work starts. Homeowners usually discover a problem when the door hangs uneven in the track, the opener strains and reverses, or they spot rust weeping from the bottom brackets after a storm season.
Which CGI Models This Applies To
CGI’s impact garage door program breaks into two main series: the CGI Estate Series (aluminum-frame, impact-rated glazing, common on 2008-2018 builds) and the CGI Sentinel Series (heavier extrusion, higher DP rating, post-2018 construction). The part compatibility lives in the hinge code stamped on the vertical track bracket, the torsion spring color bands, and the glazing clip profile, three details that do not cross over between series.
To identify your door, check the interior face for a metal label near the top right panel. It lists the model prefix (EST- or SEN-), the design pressure rating, and the original glazing spec. We match parts to that label, not to visual similarity. OEM springs and hinges from CGI carry a two-year manufacturer warranty; quality aftermarket equivalents from Clopay and Amarr fit most CGI extrusions but carry shorter warranty terms and may not match the original DP rating on the permit paperwork. For Lighthouse Point, where the Building Department enforces HVHZ compliance on every replacement, we verify the part DP rating against your existing permit before quoting. One compatibility gotcha: Estate Series doors with the early flat-track hinge (pre-2014) will not accept the current angled bracket without rail modification, a detail we catch during the measured survey so the quote does not change later.
Signs Your CGI Impact Garage Door Is Failing

- The door drops hard on one side. This usually means a torsion spring has lost tension or snapped entirely. On CGI doors, the springs are rated for 10,000 cycles, but Lighthouse Point’s salt air accelerates corrosion inside the coil, cutting that lifespan by 20-30 percent on canal-front properties.
- The opener motor runs but the door barely moves. The trolley or drive gear inside the opener unit may be stripped, but on impact-rated doors the real culprit is often a binding roller in the track caused by a bent hinge or debris-packed bearing.
- Glazing panels rattle or show condensation between layers. Impact-rated glass in CGI doors is laminated and hermetically sealed; any breach means the impact rating is void and the panel must be replaced as a unit, not resealed.
- Rust streaks from bottom brackets or cable drums. The bottom bracket on a garage door is under constant cable tension; when corrosion weakens the bracket forging, it can fail without warning and send the door off the track.
- The door reverses immediately after touching the floor. On CGI doors with safety edge sensors, this often traces to misaligned photo eyes, but it can also signal a cracked spring tube that is throwing the door weight distribution off the travel limits.
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AfterReplacement Cost & What’s Included
| Component | Price Range (Installed) |
|---|---|
| Single torsion spring (OEM CGI) | $280-$420 |
| Spring pair with hardware refresh | $480-$720 |
| Bottom bracket and cable set | $220-$340 |
| Full impact panel replacement (laminated) | $680-$1,200 |
| Complete door replacement (single, standard sizes) | $2,800-$4,200 |
| Complete door replacement (double, high DP) | $4,000-$5,400 |
What drives the range: door width, wind-load rating required for your Lighthouse Point zone, whether the existing track and opener can be reused, and whether the original permit documentation is available. Every quote from Sightline includes the measured survey you keep, the written scope, parts plus labor with no change orders, and a 365-Day Done Right Promise under the Haven Standard. We pull permits when required and pass inspection before final invoice.
DIY or Call Us?

There is exactly one thing a homeowner should handle on a failing CGI impact garage door: verify that the photo eyes are clean and aligned, and confirm the opener disconnect cord has not been pulled accidentally. Everything else carries genuine hazard. Torsion springs store roughly 1,000 pounds of rotational force; a winding bar slip or broken spring can cause serious injury or death. Bottom brackets are under live cable tension until properly released. And impact-rated glazing panels weigh 80-120 pounds each, with no safe handhold for one person.
We do not provide step-by-step spring or cable instructions because the risk does not justify the savings. Our technicians carry the proper winding bars, cable pullers, and bracket fixtures on every truck, and they work under Haven Clause 3: verified license numbers, background-checked, uniformed. If your CGI door is showing any of the symptoms above, call (754) 600-8907. We will schedule the measured survey, write the price, and handle the replacement without the guesswork.
FAQs
In Lighthouse Point’s coastal climate, torsion springs on CGI doors typically last 7-10 years, shorter than inland ratings because salt air corrodes the interior coil surface. Canal-front properties near the Lighthouse Point Marina often see the lower end of that range. Call (754) 600-8907 for an exact quote on replacement, estimates are free.
No. Impact-rated laminated glazing in CGI doors is factory-sealed; any breach of the seal voids both the impact rating and the warranty. The panel must be replaced as a complete unit matched to your door’s DP rating. Call (754) 600-8907 for an exact quote, estimates are free.
Most standard single-car replacements are completed in one working day, assuming the existing track and opener are reusable and the permit is straightforward. Double doors or jobs requiring new track and opener typically run into a second day. Call (754) 600-8907 to schedule your measured survey.
We stock common CGI-compatible springs, hinges, rollers, and cables for the Estate and Sentinel series on our Lighthouse Point service vehicles. Specialty glazing panels and complete doors are ordered to spec after the measured survey, with typical lead times of 5-10 business days depending on the DP rating required. Call (754) 600-8907 to confirm availability for your specific model.
Sightline Windows & Doors Lighthouse Point is an independent service provider, not affiliated with CGI. We also stock parts for PGT, CWS, and ES Windows impact garage door systems.
Measure twice, write it down, then we talk price. That is how we have handled 18,000-plus openings since 2012, and it is how we will handle yours.
Written by Sonia Raman, Owner, Sightline Windows & Doors Lighthouse Point at Sightline Windows & Doors Lighthouse Point, serving Lighthouse Point and nearby areas.










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