







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
PGT Construction in Ontario, CA | Mason Remodeling
Mason Remodeling is an independent contractor serving Ontario, CA, with hands-on experience installing and repairing PGT windows, doors, and exterior systems, including Ontario Bathroom Remodeling projects. We’re not authorized or endorsed by PGT, and we’re upfront about that. What sets our work apart in Ontario is simple: we know exactly what Santa Ana winds and Inland Empire heat do to PGT products over time, and we price repairs before we touch a single frame. Call (803) 680-2547 for a free estimate.
Why Ontario Residents Choose Us for PGT Service

Most PGT windows in Ontario are impact-rated for a reason. The city sits in a wind zone where Santa Ana events can throw debris hard enough to shatter standard glass. That’s why so many homes here have WinGuard frames with laminated glass. We service those systems daily. We can tell you whether a fogged pane needs glass replacement or if the whole sash has to go. That distinction saves real money.
Isaac Pruett, our owner, grew up in the San Fernando Valley and trained at Los Angeles Trade-Technical College in construction technology. His dad was a finish carpenter, and Isaac still checks trim work before he signs off on a project. That habit carried into window work: if a PGT frame is out of square, the glass doesn’t seat right, and the seal fails early. We catch that before it becomes a leak. Our PGT work across Ontario service area follows the same standard.
Styles & brands we work with







Common PGT Construction Problems We Solve in Ontario
- Vinyl frame warping from Inland heat. Ontario summers push temperatures past 100°F for stretches at a time. PGT vinyl frames, especially dark colors on south-facing walls, can bow slightly at the corners. You’ll notice the window sticks halfway up, or the weatherstripping pulls away from the sash. We can often re-shim and adjust the frame. If the warp is too far gone, we’ll recommend replacement over a repair that won’t hold.
- Impact glass seal failure with fogging or clouding. Thermal cycling, hot days followed by cool nights, stresses the sealant between the laminated panes in PGT WinGuard glass. West-facing windows in Ontario Ranch and other newer communities show this a lot. Once the desiccant inside the unit is saturated, you get permanent fog. No repair fixes a failed seal. We replace the insulated glass unit while reusing your existing frame when it’s sound.
- Sliding glass door rollers worn out by dust and use. Ontario sits in a dusty basin. Fine grit works its way into PGT sliding door tracks and chews up the rollers over a few years. The door gets heavy, then it stops moving at all. We replace rollers with OEM PGT parts when available, and clean and re-lubricate the track so the door moves like it did when it was installed.
- Water intrusion around PGT window perimeters. Ontario’s homes are mostly stucco. Hairline cracks develop in stucco around window openings as the ground shifts and the building settles. Rain from those occasional winter storms finds the crack, runs behind the flashing, and soaks the drywall inside. We fix this by re-flashing the window, sealing the stucco cracks, and replacing any damaged interior drywall. Full perimeter repair, not just caulking over the surface.
- Hardware corrosion from infrequent maintenance. Those Santa Ana winds don’t just carry debris, they carry fine alkaline dust that settles into PGT locks and hinge pivots. The hardware gets stiff, then binds. We clean and replace those components before the homeowner forces the window and snaps the lock cylinder.
PGT Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario sits in a high-wind zone for Santa Ana events. Building codes here require impact-rated windows and doors on many elevations, and PGT WinGuard is one of the most common products specified in new construction across the city, especially in the Ontario Ranch and New Model Colony areas. Here’s what most homeowners don’t realize: the wind rating only holds if the window was anchored correctly during rough framing. We regularly see improper flashing or anchor placement on PGT-impact windows installed during the last building boom. The homeowner thinks they have wind-borne debris protection. They actually have a window that will blow in under a hard gust and a water leak waiting behind the stucco. When we inspect PGT windows in Ontario, we check the anchoring pattern against the original PGT installation spec, not just against what the last installer happened to do. That’s a checkable difference most contractors skip.
PGT Models & Products We Service in Ontario
We work on the full PGT product range you find across Ontario homes. That includes the PGT WinGuard Aluminum Series, the WinGuard Vinyl Series, the EnergyCore Series, and the standard non-impact Aluminum Series. We source OEM PGT rollers, hinges, locks, and seals whenever the manufacturer still stocks them. For discontinued components, we use high-quality aftermarket equivalents that we’ve tested in the field. Most PGT parts are available through our local supply channels, which means we don’t wait on a slow freight shipment to start your repair. When a frame is warped beyond correction or the glass seal has failed, we walk you through replacement options instead of selling you a temporary fix. Our crew also handles related exterior work, including window replacement, impact window installation, and roof repair around window openings. If you’re looking for PGT sales & service, we’re a good place to start.
See the difference
Before
After
Before
After
Before
AfterPGT Service Pricing in Ontario

We give every homeowner a written quote before work starts. That’s not a courtesy. It’s company policy, and it’s never waived. Here are the market ranges for the common PGT jobs we handle in Ontario:
| Service | Typical Price Range |
|---|---|
| Window Replacement (per window, installed) | $4,500 – $15,000 |
| Impact Window Installation (per window, installed) | $8,000 – $25,000 |
| Roof Repair (typical PGT-related flashing or leak repair) | $400 – $1,800 |
| Roof Replacement (full, if PGT window replacement requires re-flashing and roofing) | $8,000 – $20,000 |
What drives your specific number is the frame condition, the glass package, and whether the rough opening needs repair before the new window goes in. Your free estimate includes a written line-item breakdown, so you know exactly what you’re paying for. Call (803) 680-2547 and we’ll set up a walkthrough.
Serving Ontario, CA - Our Local Coverage Area
We’re based in the Ontario area and know this community well, and we also provide Rancho Cucamonga Pgt service. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Ontario
My PGT window in Ontario is fogging between the panes – can it be repaired or does it need full replacement?
Fog between the panes means the insulated glass seal has failed, and the glass unit needs replacement. The frame itself is usually fine. We can often replace just the glass unit within your existing PGT frame, which costs significantly less than a full window replacement. Call (803) 680-2547 and we’ll confirm what your specific window needs.
Do PGT impact windows require special installation in Ontario’s wind zones?
Yes. Ontario’s wind zone requires impact-rated windows to be anchored with specific fastener patterns and proper flashing details to meet wind-borne debris codes. If the anchoring or flashing is wrong, the window won’t perform as rated during a Santa Ana event, and water intrusion becomes a real risk even in normal rain. We verify installation against the original PGT spec. Call (803) 680-2547 for an inspection.
Why are my PGT vinyl windows sticking or hard to open in Ontario’s heat?
Ontario’s summer temperatures are extreme, and vinyl frames expand in that heat. If the window was installed with too little clearance or the frame has warped from repeated thermal cycling, the sash starts to bind. Sometimes it’s an adjustment; sometimes the frame has bowed enough that replacement is the only fix that will last. We’ll tell you which one applies to your window without charging you for the answer. Call (803) 680-2547 to schedule a look.
Can you repair a PGT sliding glass door with a broken roller or track?
Yes. We replace the rollers with OEM PGT parts when available and repair or replace damaged track sections as needed. In Ontario’s dusty conditions, roller failure is common on PGT sliding doors, especially in Ontario Ranch and other newer subdivisions where doors see heavy daily use. A functioning roller set makes the door operate smoothly and protects the glass from stress cracks. Call (803) 680-2547 and we’ll get a quote together.
Does Mason Remodeling offer a warranty on PGT window repairs or installations?
Yes. Every PGT repair and installation we complete is covered by our written guarantee. The terms are stated plainly, including what’s covered, what’s excluded, and for how long. If something fails within the coverage period, we come back and make it right at no charge. Call (803) 680-2547 and ask us to walk you through the guarantee wording before you decide.
Service Areas Near Ontario
We work all across the Inland Empire and surrounding Southern California. If you’re in nearby PGT service in Elk Grove or PGT service in Santa Rosa, those pages cover the details for each location. We also serve Los Angeles, San Diego, San Jose, and Fresno for homeowners who need someone who knows PGT systems.
Book Your PGT Service in Ontario Today
We’re an independent PGT contractor and General Contractor in Ontario who knows what Ontario’s wind and heat do to these products. We come out, inspect, and hand you a written quote before any work begins. Call (803) 680-2547 to book your free estimate, or ask for Isaac directly. Know who’s coming, know what it costs, know it’s backed up – everything else is just noise.
Written by Isaac Pruett, Owner at Mason Remodeling, serving Ontario since 2004.











