A Elmstead company - serving Ventura, CA
An open living room and dining area after a whole-home remodel

CGI Windows & Doors Nationwide

Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansA Local Team in Ventura
A whole-home remodel with the living, dining and kitchen areas opened up
A remodeled family room with new windows and a window seat
A remodeled primary suite with built-in wardrobes and a window seat
A remodeled staircase with wood treads and a slim metal railing
A finished basement family room with a media wall and wet bar
A second-story addition that matches the existing roofline
A galley kitchen opened up to the dining room with a new peninsula
A walk-in shower with large-format tile and a built-in niche
Every visit starts with

Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as$199/month*On approved credit; ask for current terms
Get your free estimate

CGI Windows & Doors: The Ventura Owner’s Guide

We stock and install CGI-compatible window and door parts across Ventura, with most replacement hardware running $85 – $650 installed and full window or door replacements ranging from $4,500 – $25,000 depending on model and opening count. The typical discovery starts the same way: a sash won’t stay up, a door won’t latch cleanly after a wind shift, or the salt air off the Ventura coastline has finally worked its way into a roller assembly. CGI builds its products around coastal wind and impact ratings, and when a part does fail, matching the replacement to your specific series matters more than finding a generic substitute.

Call (341) 218-4316

Which CGI Models This Applies To

CGI’s product lines split into two families: the Sentinel series, built for impact zones and heavy coastal exposure, and the Estate series, designed for high-end architectural openings where the frame profiles run thicker and the hardware is sized accordingly. We’ve worked on both in homes from the Keys to Midtown Ventura, and the single most common compatibility issue we see is a homeowner bringing in a balancer or roller assembly that fits the frame but was never spec’d for the glass weight of their specific sash. The part number is stamped on the edge of the sash frame or the head of the door stile, usually starting with “S-” or “E-” followed by four digits. If the label is gone, we measure the sash weight and the channel profile before ordering, because guessing is how you end up replacing the same part twice in one season. We carry OEM CGI hardware as well as aftermarket equivalents from suppliers we’ve verified against CGI’s torque and load ratings, and we’ll tell you plainly which is worth buying for your specific window or door.

Explore

Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Signs Your CGI Windows & Doors Is Failing

  • Sash drops a few inches after you release the handle. The balancer or constant-force spring has lost tension. This happens faster on the west-facing elevations in Ventura where afternoon sun hits the frame and heat-cycles the spring coil.
  • The door drags or catches along the bottom track. Roller assemblies wear unevenly when salt and sand from the beach get into the track channel. You’ll see the door tilt slightly in the frame, and forcing it only grinds the rollers down faster.
  • You hear a rattle inside the frame when the wind kicks up. A weatherstripping retainer or a loose guide block has drifted out of position. CGI’s interlocking sashes depend on every component seating tight to keep the impact rating valid.
  • The lock cylinder turns but the deadbolt doesn’t fully throw. The multi-point locking strip on CGI doors is machined to tight tolerances, and a single worn gear inside the lock body is usually the cause. Lubricating alone won’t fix it; the part needs a rebuild or replacement.
  • Condensation appears between the panes of glass. The insulated glass unit seal has failed. In Ventura’s marine layer cycles, that seal is carrying real moisture load year-round, and once it lets go, the glass needs replacing, not just the frame hardware around it.
Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Replacement Cost & What’s Included

In Ventura, we price CGI-compatible part replacement in three bands. Hardware-only work, like a replacement roller cartridge or a lock body rebuild, runs $85 – $400 installed. A full sash or door panel replacement with new glass runs $600 – $2,800 depending on glass package and frame size. A full window or door replacement, sized and matched to your existing CGI frame, lands in the $4,500 – $25,000 range for most homes, which tracks with our broader impact window installation pricing across the area. Every quote we write lists the part number, the brand and source of the replacement, the labor to remove and reinstall, and the haul-away of the old component, all as separate line items. You get a written price before any work starts, not an estimate that flexes after we open the frame. Graham Stein writes every scope onto paper first, and on CGI work specifically, we note whether the replacement is OEM or an aftermarket equivalent so there’s no ambiguity about what’s going into your window or door.

DIY or Call Us?

There are a few things a homeowner can check safely: whether a roller track is dirty, whether a screw has backed out of a striker plate, whether the weatherstripping is torn. That’s inspection, and it’s fine. Replacement is different. CGI’s sashes, particularly on Sentinel-series impact windows, are heavy, and the tensioned balancer inside the side jamb carries enough stored force to hurt you if it’s released the wrong way. Door rollers and locking strips require the panel to come off its track, which means lifting a 150-pound door clear of its frame without letting it tip. We’ve taken over two jobs in the past year where a homeowner tried to save $200 and ended up needing a new sash instead of a new balancer. Call (341) 218-4316. We’ll tell you over the phone whether it’s worth a service visit or whether it’s something you can address yourself with a brush and some dry silicone spray.

FAQs

A dining nook with a built-in banquette

Getting started with Elmstead in Ventura

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a kitchen with the homeowner during a free estimate

Free on-site estimate

A project lead walks the job with you, measures it and hands you a written, line-item price. No obligation.

Book an estimate
A remodeling crew arriving at a home with lumber and tools

Your Ventura team

A local crew that works across Ventura and the towns around it, to the same written standard as every Elmstead location.

Areas we serve
A worker laying floor protection and a dust barrier before work starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise
Need Construction help in Ventura? Licensed & insured · Written quotes before work starts response · free estimates
Call (341) 218-4316
Local Service Coverage

Request a Free Estimate in Ventura

Tell us what you need - Elmstead Remodeling Ventura responds fast. No obligation.

By submitting this form, you agree to the terms of our Privacy Policy and authorize us to contact you by phone, text, or email concerning your request, including by the partner businesses that may perform the service.

Prefer to text? Send a Text
Call Now - 24/7 Dispatch