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CGI Impact Garage Doors: The Los Angeles Owner’s Guide
We stock and install CGI-compatible impact garage doors across Los Angeles, and a typical replacement door runs $3,400 to $7,800 installed depending on size, finish, and hardware. Most owners don’t find us because they’re browsing; they find us because their current door is misaligned, dented from flying debris, or the spring finally gave out after a decade of coastal salt air and summer heat cycles. The failure is almost never the panel itself; it’s a snapped torsion spring, seized roller, or a track that shifted out of square. We carry the common CGI springs, rollers, and hinge hardware on the truck, and Sean Mackey can usually match your existing door to a replacement the same day he looks at it.
Key takeaways:
- Installed CGI impact garage doors in Los Angeles: $3,400 to $7,800, written price before work starts
- We stock common CGI springs, rollers, hinges, and sensors on the truck; specialty panels take 2 to 5 business days
- Every install covered by the 365-Day Done Right Promise: parts and labor, in writing
- Live phone answered 24/7 at (682) 281-2168, no voicemail maze
Which CGI Models This Applies To
CGI builds its impact garage doors under a few distinct lines, and part compatibility is less forgiving than most homeowners expect. The main series we see in Los Angeles are the CGI Cambridge, CGI Estate, and CGI Classic lines, with the Cambridge being the most common on newer builds in neighborhoods like Venice, Mar Vista, and the Palisades because it carries the Miami-Dade NOA (Notice of Acceptance) rating that a lot of coastal inspectors want to see on a wind-borne debris zone home. Your door’s model is stamped on a metal label inside the bottom panel, driver-side; the opener manufacturer does not help you here, because the spring and hinge specs depend on the door weight, which changes by panel material and glaze package.
One compatibility gotcha Los Angeles owners hit regularly: a CGI door built before 2015 often uses a 2-inch spring cone and a smaller-diameter torsion tube, while newer production moved to 2-1/4-inch hardware. If you try to swap a newer spring onto an older torsion tube, it will bind. We measure the tube diameter and spring wire gauge on-site before quoting anything. For OEM parts, CGI springs and hinges fit exactly; there are quality aftermarket equivalents (we regularly use an American-made galvanized spring set for older Cambridge models) but you lose the CGI hardware warranty on that part. For a door under 5 years old, OEM is the right call every time.
Signs Your CGI Impact Garage Doors Is Failing
- Door feels heavy or won’t lift by hand when disengaged from the opener. This is almost always a torsion spring that’s lost tension or snapped. In Los Angeles, the combination of summer heat and salt-laden coastal air cuts a spring’s rated cycle life roughly in half versus a garage in Pasadena or Glendale. A spring rated for 10,000 cycles often lasts 6 to 7 years near the beach.
- Loud bang from the garage, then the opener won’t move the door. A torsion spring snapped. It happens suddenly, usually in the early morning when the door was last cycled the night before. The door becomes dead weight, and the opener motor will burn itself out trying to lift it.
- Door shudders or jerks on the way up, especially in the lower 3 feet of travel. Rollers and hinges are worn, or the track has come out of alignment. On a CGI door with an impact-rated skin, misaligned tracks put uneven load on the panels, which is how aluminum stile screws start to strip.
- Visible gap between the door and the jamb on one side when closed. This can mean a bent track or a cable that’s begun to fray on one side. On an impact door, any gap is also a water and wind entry point, which matters a lot in a Santa Monica or Topanga Canyon garage that already fights moisture.
- Photo-eye sensors misaligning constantly or the door reversing for no clear reason. Often this is the bottom bracket shifting, not the sensor itself. Los Angeles garages settle; concrete slab movement changes door travel geometry, and the sensor alignment follows the door, not the wall.
Replacement Cost & What’s Included
A full CGI impact garage door replacement in Los Angeles typically lands between $3,400 and $7,800 installed, and we give you that number in writing before a single screw turns. A single replacement panel for a newer Cambridge door runs $700 to $1,450 depending on glaze and finish; a torsion spring replacement runs $280 to $480 parts and labor, and a full roller-and-hinge refresh runs $160 to $320. The spread on a full door comes down to panel size (single vs double), whether you replace the opener at the same time, and finish options; a custom wood-grain CGI Estate panel costs more than a white Cambridge panel of the same size.
Every quote includes parts, labor, haul-away of the old door, and a written price that does not change when the tech arrives. The work carries the 365-Day Done Right Promise: if anything about the install isn’t right, we make it right for a full year, parts and labor, in writing. No change orders, no surprise line items. We’ll tell you if the opener can stay and the door needs replacing, or if the whole assembly is at end of life.
DIY or Call Us?
Here’s the honest split. You can safely check the model label inside the bottom panel, take a photo of the spring assembly above the door, and listen for the difference between a scrapping roller and a slapping panel; that information saves you time on the phone. What you should not do is try to replace a torsion spring yourself. A torsion spring on a CGI impact door holds 100 to 250 pounds of stored tension, and the winding bars most homeowners buy at the hardware store are not rated for the spring sizes on these doors. We see the aftermath of DIY spring swaps every season; the injuries are serious and the hospital bill is never less than a pro install.
If the door won’t move at all, call (682) 281-2168. We’ll tell you over the phone whether it sounds like a spring or a stripped gear, give you a real price range, and book a window with a live arrival time you can track. If it belongs on the page, we’ll put it there: number, timeframe, or trade-off.
FAQs
Expect 15 to 20 years for the door assembly, but plan on replacing torsion springs every 6 to 9 years in coastal Los Angeles neighborhoods where salt air and summer heat cycles shorten spring life. The panels themselves hold up well; CGI uses a galvanized steel skin and an aluminum stile system that shrugs off sun, though painted finishes in south-facing garages in the Valley will fade and chalk faster than shaded coastal doors. Call (682) 281-2168 for a quote on any part; estimates are free.
No. Torsion springs cannot be safely welded, re-tensioned, or patched. Once a spring snaps, the only correct fix is replacing both springs as a matched pair, because the surviving spring has the same cycle count and will fail shortly after. On a CGI door, we always quote the pair. For an exact price, call (682) 281-2168.
A full door swap is a same-day job in most Los Angeles homes, usually 4 to 6 hours including haul-away. A spring replacement takes 45 to 90 minutes. If we need to order a specialty panel, expect 2 to 5 business days for the part to arrive. We’ll give you a live arrival time before every visit, and before-and-after photos of the finished work.
We carry the common CGI torsion springs, rollers, hinges, bottom brackets, and photo-eye sensor sets on the truck for most Cambridge and Estate models. Specialty panels and custom finishes are ordered per job. Juniper Windows & Doors is an independent service provider and not affiliated with CGI; alongside CGI we also stock parts for PGT, CWS, ES Windows, and other lines in the Relay Home Co. family. Call (682) 281-2168 and we’ll confirm what’s on the truck before we roll.
Written by Sean Mackey, Owner & Installer, Juniper Windows & Doors at Juniper Windows & Doors, serving Los Angeles and nearby areas.










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