Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Before
After
Before
After
Before
AfterTrusted Impact Windows & Doors for Los Angeles Homeowners
Impact windows and doors in Los Angeles are not a coastal luxury. They are a structural decision driven by wildfire ember intrusion, hillside wind loads, and city code that has quietly raised the bar on glazing requirements since the 2017 Bel Air and Skirball fires. A properly specified impact-rated window assembly protects against flying debris and prevents the pressure blowout that lets a house fire itself from the inside. Sightline Windows & Doors has installed impact-rated openings across Los Angeles since 2012, and every one of those 18,000-plus jobs began with a written price and ended with a documented photo record. Call (509) 265-6387 to schedule a measured survey.
We work under the Haven Standard, a written protocol with five clauses that govern how we measure, quote, staff, document, and warranty every opening. Sonia Raman, who leads Sightline, applies the same rule to every estimate: the measured survey you keep is the same document as the written quote. There is no second number later. There is no change order hiding in the wall cavity.
What Our Impact Windows & Doors Service Includes
Our Impact Windows & Doors in Los Angeles means laminated glazing assemblies designed to resist penetration from windborne debris and to hold the building envelope under positive and negative pressure. The service includes more than glass replacement. We assess the existing frame condition, the rough opening, the anchoring method, and the sightline the homeowner actually wants. Then we specify an assembly from the manufacturer whose product matches what the opening requires, not what is sitting in a warehouse.
Impact-Resistant Windows
Impact-resistant windows use laminated glass, typically two panes bonded to an interlayer that holds the shards together when struck. In Los Angeles they matter less for hurricanes than for wind-driven wildfire embers and hillside wind gusts that turn a cracked seal into a blown frame. We measure the existing opening, record the frame depth and condition, and specify a unit that matches the structural load without changing the sightline more than necessary.
Hurricane Impact Windows
Hurricane impact windows are tested to missile-impact standards: a 9-pound 2×4 fired at the glass at 34 mph, then 9,000 cycles of positive and negative pressure. Los Angeles is not in a hurricane zone, but the same assemblies are what city inspectors accept for hillside wind zones and for fire-hardening compliance under Chapter 7A of the California Building Code. We handle the paperwork and the installation so the homeowner does not have to translate a test report into a permit application.
Single Hung Impact Windows
A single hung impact window has a fixed top sash and a bottom sash that glides upward. In Los Angeles they are common on front elevations where the homeowner wants the structural rating without the swing-out profile of a casement. We check the existing balance system, the jamb depth, and the sill slope before quoting, because a single hung that binds after installation is almost always a measurement problem, not a manufacturing defect.
Double Hung Impact Windows
Double hung impact windows allow both sashes to move, which gives you ventilation from the top and bottom of the opening. They cost slightly more than single hung because the laminated glass adds weight and the hardware has to carry it. We specify double hung impact units when the bedroom needs an egress opening and the homeowner wants to keep the traditional vertical-sliding look.
Horizontal Roller & Sliding Impact Windows
Horizontal roller impact windows slide side to side on a track, usually specified for wide openings over a kitchen sink or along a hallway. The track elevation, the roller material, and the head height all matter in Los Angeles because many homes built between 1950 and 1985 have settled openings that are no longer square. We also install Impact Windows & Doors - Bell. We record the frame readings and specify the unit to fit what exists, not what the original blueprints claimed.
Vinyl Impact Windows
Vinyl impact windows are the most common request from Los Angeles homeowners who want the impact rating on a budget that does not climb into custom aluminum territory. Vinyl is less expensive than aluminum-clad wood and holds the laminated glass fine, but the frame weld quality and the reinforcement profile vary widely between manufacturers. We specify vinyl only from manufacturers whose thermal and structural numbers we have seen and verified on prior jobs.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service for Impact Windows & Doors
Sightline works across eight manufacturer lines, and we specify by performance tier and price range, not by margin. CGI and PGT are the two we specify most often for impact in Los Angeles. CGI builds a heavy aluminum impact window and door line that holds up well on hillside exposures where the wind load is real. We have measured, quoted, and installed enough CGI openings to know exactly how their frame depths interact with stucco returns and recessed jambs.
PGT’s WinGuard line covers a broader price band and gives us a vinyl option with verified missile-impact ratings, which matters when the homeowner wants impact protection at a mid-range budget. ViewLux we reserve for the higher-visibility openings, like a front elevation picture window where the sightline spec is as important as the structural one. We carry no brand bias and no stock incentive. Whether you have a CGI, PGT, ViewLux, or any other make in your walls, we can measure it, quote it, and replace it under one written number. If you are comparing our estimate to another company’s, bring us the competitor’s written quote. We will review it at no charge.
BeforeAfterSigns You Need Impact Windows & Doors Right Now
- Condensation between the panes. When moisture appears inside the glazing cavity, the seal has failed and the inert gas fill has leaked out. The window is no longer performing at its rated U-factor or SHGC, and in an impact-rated unit, the structural integrity is compromised even if the laminate looks fine.
- A crack that starts at the frame edge and walks toward the center. This is a stress crack, not an impact crack, and it usually tracks back to a settled opening or a bowed frame. The glass will fail sooner than a crack in the middle, and in Los Angeles hillside homes the next seismic event will finish the job.
- The sash no longer closes flush, or it closes with a gap at one corner. This means the frame has moved, the hinges are wearing, or the original install was out of square. A gap you can see is a gap wind and embers can find. Impact ratings are tested on a perfectly closed unit.
- You can feel a draft on windy days with the windows locked. Air leakage is a measurable number, and the older the assembly the higher the leakage rate. In a fire zone, that same leak path moves embers from outside to inside. We measure air infiltration rates on our surveys and show you the number.
- Your insurance company asked about impact-rated glazing, or your renewal quote went up. Los Angeles carriers have started pricing fire-hardening features into homeowner policies. If the question came up, the window material matters. We document every installation with photo evidence you can send to your carrier the same day.
Our Impact Windows & Doors Process - Step by Step
- 1
Measured survey. We come to the property and take frame readings at every opening: width, height, depth, squareness, sill slope, and the existing anchoring method. You keep the survey document. It becomes the basis of the written quote, and it cannot change between survey and start date.
- 2
Written quote with product specified by name. You get a line-item price that names the manufacturer, the glass make-up, the U-factor, the SHGC, and the installation method. No range, no allowance, no price-missing line. Haven Clause 1: have it in writing.
- 3
Crew assignment and verification. The technician who arrives is background-checked, uniformed, and identified by license number before they step onto the property. You will know who is coming and who is at the door. Verified crews, not subcontractor roulette.
- 4
Installation with documented evidence. We remove the old unit, correct the opening where the measurements show correction is required, set the new assembly with the specified anchoring, and flash and seal per the manufacturer’s written instruction. Photos are taken at every stage: before, during, and after.
- 5
Final walkthrough and written warranty. We walk the opening with you, show you the documentation, cover the 365-Day Done Right Promise, and hand you the written warranty and the photo record. The job is not closed until you have the documents in hand.
How Much Does Impact Windows & Doors Cost in Los Angeles?
Impact windows and doors in Los Angeles run a wide band because the frame material, the product line, and the opening condition drive the number more than any other factor. Here is what we see on current Los Angeles jobs:
- Vinyl impact windows (PGT WinGuard or similar): $700-$1,400 per opening, installed, for standard sizes under 40 square feet.
- Aluminum impact windows (CGI or similar): $1,100-$2,200 per opening, installed, depending on finish and sightline requirements.
- Impact sliding glass doors: $2,800-$5,500 per unit, installed, for a 6-foot or 8-foot opening.
- Full-house impact package on a 1,800-square-foot home (12-16 openings): $14,000-$28,000, installed, depending on material spec and current opening condition.
What moves the price: manufacturer and product line, frame material, opening size, whether the existing frame is salvageable, and whether any structural correction is needed behind the wall. What should not move the price: a surprise discovered after the tool is lifted. Our written quote is the final invoice. A free estimate includes the measured survey, the line-item pricing, the manufacturer and product names, and the written scope of work. Call (509) 265-6387 to book yours.
Impact Windows & Doors Near Los Angeles - Our Service Area
We install impact windows and doors throughout Los Angeles County, from the hillside streets of Sherman Oaks and Studio City to the coastal flats of Santa Monica and the San Fernando Valley. Our crews also cover Pasadena, Glendale, Burbank, Torrance, and Long Beach. Most surveys are scheduled within the week, and installations are set from the written survey date. See our home page for the full coverage map, or compare how we handle the same work in other markets: Impact Windows & Doors in Houston, Impact Windows & Doors in San Antonio, and Impact Windows & Doors in Los Angeles for the full local breakdown.
Serving Los Angeles, CA - Our Local Coverage Area
We’re based in the Los Angeles area and know this community well, and we also install Impact Windows & Doors - Huntington Park. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions - Impact Windows & Doors in Los Angeles
Impact windows and doors are glazing assemblies built with laminated glass and reinforced frames that resist penetration from windborne debris and hold their structure under high positive and negative pressure. In Los Angeles they are specified for hillside wind zones, fire-hardening compliance, and homes where the owner wants a single upgrade to handle wind, embers, and security. We also provide Impact Windows & Doors in South Gate. The rating is proven through missile-impact testing, not marketing language.
A standard single-opening replacement takes one crew one day, including removal, preparation, setting, flashing, and interior trim. A full-house package of 12 to 16 openings in Los Angeles typically runs three to five working days depending on access and what the frame readings show once the old units are out. The measured survey will tell you the schedule before the quote is written. Call (509) 265-6387 for a survey date.
Expect $700-$1,400 per vinyl impact window and $1,100-$2,200 per aluminum impact window, installed. Impact doors run $2,800-$5,500 each, and a full-house package on a typical Los Angeles home lands between $14,000 and $28,000. Every quote is written, line-itemed, and final before work begins. Call (509) 265-6387 for an exact number.
Yes. Sightline specifies and installs across eight manufacturer lines, including PGT, CGI, CWS, and ViewLux. We match the product to the opening’s structural and sightline requirements, not to what is left in stock. If your existing unit is one of those brands and you need a replacement, we can measure and match it before the old one comes out.
For a failed impact unit that has lost its seal or cracked and is now exposed, we can prioritize the survey and schedule the replacement on the next available crew day. Live phone coverage is available 24/7 at (509) 265-6387. For a planned replacement, the survey and written quote come first, and the schedule is set to the survey date.
Every Sightline installation is covered by the 365-Day Done Right Promise: if it is not done right, we make it right. That promise is written into the Haven Standard, not offered as a courtesy. The manufacturer’s warranty on the glass and frame is included in your document package, and we include the written warranty and the photo record at the final walkthrough.
Clear a path to each opening and remove furniture or wall hangings within three feet of the work area. The crew covers floors and cleans the site at the end of each day. We will send you a written prep list before the install date, and the technician assigned to your job will walk through it with you on arrival. Call (509) 265-6387 with any specific questions.
Schedule Your Impact Windows & Doors Service in Los Angeles Today
Every job begins with a measured survey you keep and a written price that cannot change. Call (509) 265-6387 to schedule your free estimate, and we will send a verified, uniformed technician to your Los Angeles home with the tools and the documentation to show you the number in writing before anything gets ordered.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Los Angeles since 2012.