







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why West Covina Homeowners Choose PGT Construction
We’re an independent PGT service in West Covina, and we repair and install WinGuard impact windows, Spectrum replacement lines, and Eze-Breeze porch enclosures. Our crews have completed over 200 PGT window and door installations across Los Angeles County, with a focus on the coastal-corrosion and high-wind retrofit problems that show up in homes built between 1970 and 2010. We are not authorized by or affiliated with PGT, but we know their products better than most installers who only touch them once. Call (707) 760-7579 for a free estimate on PGT repair or replacement in West Covina.

Why Trust Mason Remodeling Co West Covina for Your PGT Construction?
PGT windows and doors are engineered for hurricane zones, but West Covina throws its own set of problems at them: intense summer UV, sprinkler overspray that eats aluminum finishes, and stucco retrofit openings that were rarely flashed correctly the first time. Isaac Pruett, owner at Mason Remodeling Co West Covina, grew up in Los Angeles and trained in the construction technology program at Los Angeles Trade-Technical College before spending decades on real jobs across the San Gabriel Valley. He and his crews have worked throughout PGT in San Dimas and West Covina for years, including homes near Eastland Center where mid-century construction meets modern window retrofits, and he has seen exactly how PGT units fail in this specific climate. You should know what you’re getting before we ever pick up a tool. That means a written price before any work starts, every time, and a 365-Day Done Right Promise that covers the completed job for a full year from the completion date. Every technician who arrives at your door is background-checked, identity-verified, uniformed, and introduced by name and photo before the visit under our Threshold Standard process. No surprises on the invoice, no strangers at the door.
Styles & brands we work with







Common PGT Construction Problems We Fix in West Covina
These are the failures we actually see on West Covina homes, not the generic list from a manufacturer brochure:
- Fogging between glass panes in WinGuard Vinyl units. After 8 to 12 years of thermal cycling, the edge seal on an insulated PGT sash breaks down. West Covina’s hot inland summers and cool nights put constant stress on that seal. Once moisture gets between the panes, the glass can’t be cleaned from the inside. We replace the sash or the full unit depending on how many panes are affected. One fogged pane on a multi-pane window is a sash replacement; three fogged units on the same elevation usually means a full window replacement makes more financial sense.
- Eze-Breeze vertical sliding panel binding and torn weatherstripping. The Eze-Breeze porch enclosure system uses vertical sliding panels that run on a track. When dust and pollen from West Covina’s dry season build up in the track, or when the aluminum frame shifts slightly with temperature changes, the panels start to bind. Homeowners force them, and the weatherstripping tears. We clean the tracks, realign the hardware, and replace the weatherstripping with field-verified aftermarket parts that match the original durometer, because PGT has discontinued some of the older Eze-Breeze track components.
- Aluminum frame pitting and powder-coat flaking on WinGuard Aluminum. West Covina yards are full of sprinklers, and sprinkler overspray is brutal on aluminum window frames. The minerals in local water sit on the frame, the sun bakes them in, and eventually the powder coat starts to flake. We see this most often on the lower frames of windows near lawn edges. Once the powder coat is compromised, the raw aluminum underneath begins to pit. Depending on the extent, we can sometimes restore the finish or replace individual sashes, but frame pitting at the corners typically means a new unit.
- Leaking around frame-to-stucco transitions on retrofitted WinGuard units. This is the one we see constantly on West Covina homes built between 1950 and 1980. The original window flashings were never designed to handle a heavy PGT impact unit, and many retrofit installs reuse the old flashing instead of rebuilding the opening. When water gets behind the stucco, you’ll see staining at the interior drywall corners or peeling paint around the window. We pull the unit, rebuild the opening with proper sill pan and butyl tape, and reset it.
- Hardware misalignment on Eze-Breeze enclosures after seasonal rain. Clay soils in West Covina hillside neighborhoods swell in wet weather and shrink in dry heat. That movement transmits through the structure and can shift an Eze-Breeze enclosure frame just enough that panels no longer line up with their latches. We realign the frame, shim where needed, and get the panels sliding properly again.
PGT Parts & Our Repair-vs-Replace Approach
We default to genuine OEM PGT sashes, balances, and weatherstripping whenever they’re available. For discontinued Eze-Breeze track components, we use only field-verified aftermarket parts with comparable durometer and UV resistance, because the alternative is telling a homeowner to replace a perfectly good enclosure over a $30 piece of track. Our decision on repair versus replacement is simple: if the frame is intact and the sash operates within tolerance, we repair. Full unit replacement is recommended when the seal failure affects more than two panes or the frame shows corrosion at the corners. We won’t push a replacement when an honest repair will do the job, and we put that logic in writing before any work starts. Call (707) 760-7579 if you’re not sure which route makes sense for your PGT windows.
Our PGT Service Process – Step by Step
- 1
Diagnosis and written price. A technician arrives in a marked uniform with a photo ID badge. We identify the specific PGT model and series, pinpoint the failure, and deliver a written line-item price before any work starts. No verbal estimates that grow later.
- 2
Sash or window removal and frame inspection. We pull the sash or the full unit, and we inspect the rough opening for the flashing failures and water damage that are common on West Covina stucco homes. If we find rotted sheathing or missing sill pan, we fix it before setting anything new.
- 3
Repair or replacement with OEM-first parts. For repairable units, we install genuine PGT balances, weatherstripping, or replacement sashes. For full replacements, we set the new unit with proper flashing and sealant rated for high-UV exposure.
- 4
Operation test and cleanup. We cycle every panel, sash, and lock to make sure operation is smooth and weathertight. We clean debris from tracks and verify drainage weep holes are clear.
- 5
Written warranty and 365-Day Done Right Promise. Every job gets a written guarantee with clearly stated terms covering 365 days from the completion date. If something fails, a return visit is free, no dispute process.
See the difference
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AfterPGT Products We Service & Install in West Covina
We work on the full range of PGT residential lines. WinGuard Vinyl is the most common on West Covina hillside homes looking for impact protection without the weight of aluminum. WinGuard Aluminum shows up more on homes built in the 1970s and early 1980s where the original frames are still in good shape but the glass needs upgrading. The Spectrum line is PGT’s non-impact replacement window, and we install it for homeowners who don’t need the impact rating but want a clean, modern replacement. Eze-Breeze porch enclosures are everywhere in West Covina, and we service the tracks, panels, and hardware on all generations of the system. We stock common PGT weatherstripping, balances, and hardware locally, which means faster turnaround than waiting on a factory order. We also install frameless glass shower enclosures for West Covina homeowners doing bathroom remodels alongside window work.
We Also Service These Brands
While PGT is a focus of our window and door work, we’re not a single-brand shop. Our West Covina crews regularly install KraftMaid cabinetry, Cambria and Silestone countertops, and Kohler fixtures on larger remodeling projects. If your PGT window project is part of a bigger remodel, we can handle the rest as your General Contractor so you aren’t coordinating multiple crews.
FAQs – PGT Construction Service in West Covina

No. We are an independent PGT service provider and installer. We are not authorized by or affiliated with PGT Industries. What we offer is extensive hands-on experience with PGT product lines across West Covina and Los Angeles County, along with a written price before work starts and a 365-Day Done Right Promise on every completed project.
We use genuine OEM PGT sashes, balances, and weatherstripping whenever they are available for your model. For discontinued components, particularly some Eze-Breeze track parts, we use field-verified aftermarket parts that match the original durometer and UV resistance. We will always tell you which parts are going into your repair before we order them.
Most single-sash repairs and weatherstripping replacements are completed in one visit, typically two to four hours. Full window replacements depend on how many units and what we find when we open the wall. A three-window WinGuard Vinyl replacement on a stucco PGT service in Pomona or West Covina home usually takes one to two days including flashing rebuild. Eze-Breeze track service is generally a half-day.
We service and install WinGuard Vinyl, WinGuard Aluminum, Spectrum, and Eze-Breeze. That includes horizontal sliders, single-hung, casement, and picture windows, as well as Eze-Breeze vertical sliding porch enclosures. If you have an older PGT line that’s been discontinued, we can usually identify it from the glass etching or frame sticker and tell you what replacement parts are still available.
Most PGT warranties cover the glass unit and frame from the manufacturer, but installation labor and workmanship are separate. What we recommend: check your warranty documents for what is covered and for how long. Our own repair and installation work is covered by our written 365-Day Done Right Promise regardless of PGT’s warranty status. We also avoid repair practices that would compromise the original unit’s warranty, like drilling into sealed frames or replacing glass with non-impact-rated panes.
Impact window installation in West Covina typically ranges from $8,000 to $25,000 depending on the number of openings, the frame material, and whether we find flashing or sheathing damage once the old unit is out. Standard window replacement runs $4,500 to $15,000, and frameless glass shower enclosures range from $3,000 to $8,500. Call (707) 760-7579 for an exact written quote. Estimates are free.
Book Your PGT Service in West Covina, CA
If your PGT windows are fogging, binding, leaking, or flaking, call Mason Remodeling Co West Covina at (707) 760-7579. We’ll send a background-checked technician you’ll recognize by name and photo before they arrive, and you’ll get a written price before any work begins. Free estimates, every time.
Written by Isaac Pruett, Owner at Mason Remodeling Co West Covina, serving West Covina since 2004.


