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PGT Construction in Fontana, CA | Milpitas Construction
We provide independent PGT sales & service across Fontana, from window and door replacement to full garage conversions and ADU build-outs. The thing that separates our PGT work here is simple: we understand how Cajon Pass winds and Fontana’s stucco-on-frame tract homes interact with these units. Most window failures we see in Fontana aren’t glass problems, they’re opening problems, and that changes how we approach every install. Call (877) 752-4194 for a free estimate.
Why Fontana Residents Choose Us for PGT Service
We’ve installed and serviced PGT windows and doors across Fontana’s 1980s to 2000s tract homes for over 15 years, and we also provide Pedley PGT service. That matters because PGT units behave differently on a north-side 92336 stucco home than they do on a coastal bungalow. Ken Stafford, our owner, got his foundation in construction technology at Evergreen Valley College and has spent the two decades since learning what actually holds up under inland heat, UV, and Santa Ana gusts. We’re independent, not manufacturer-affiliated, which means we recommend the right PGT glazing and frame package for your specific home instead of being locked into one builder-grade model. That independence is why Fontana homeowners call us back.
Styles & brands we work with







Common PGT Construction Problems We Solve in Fontana
- Wind uplift at roof edges and openings: PGT units on Fontana’s north-side tracts in 92336 and 92337 often show cracked frames or pulled fasteners after a Santa Ana event. The original installation rarely accounted for the gust speeds that funnel through the Cajon Pass, and those forces find the weakest point: the perimeter fastening.
- UV degradation of vinyl weatherstripping and glazing seals: Fontana’s intense inland sun bakes PGT vinyl frames on south and west elevations. We regularly replace shrunk weatherstrip, failed glazing seals, and fogged insulated glass units that resulted from years of direct heat cycling.
- Stucco cracking around rough openings: Stucco-on-wood-frame walls move with Fontana’s daily temperature swings. That movement cracks the stucco around PGT window flanges and sills, leaving gaps where wind-driven rain enters during winter storms.
- Screen and hardware corrosion: The pass corridor pushes wind-driven dust and occasional moisture into PGT aluminum screen frames and roller tracks. Sliders get stiff, tracks pit, and screens tear at the corners. We stock OEM-compatible replacement hardware for faster turnaround.
- Failed original window openings on 1990s-2000s tract homes: Many Fontana homes built in that era came with single-pane or early dual-pane aluminum windows never rated for Cajon Pass wind speeds. Replacing them with PGT WinGuard units is often the first time the opening itself gets proper uplift-rated flashing and fastening.
PGT Service in Fontana: What Local Conditions Mean for Your Equipment
Fontana’s 92336 and 92337 tract neighborhoods, built mostly during the 1990s and 2000s, sit directly east of the Cajon Pass. That’s the wind funnel between the San Gabriel and San Bernardino mountains, and when Santa Ana winds kick up, they come through Fontana faster than almost anywhere else in the Inland Empire. The original aluminum windows in these homes were never rated for those gust speeds, and the rough openings behind them were framed and flashed with zero wind-uplift detailing. What that means for PGT owners is specific: the window unit is only as good as the opening it sits in. We rebuild those openings with proper sill pans, membrane flashing, and uplift-rated fastening before setting the PGT frame. On a 1998 stucco tract home in the Etiwanda Heights area of 92336, our crew replaced seven original aluminum single-pane windows with PGT WinGuard vinyl impact units after the homeowner reported wind-driven rain leaking through the south-facing kitchen window during a Santa Ana event. The rough openings had no sill pan, no uplift flashing, nothing. We rebuilt each one, eliminated the leak, and brought the openings up to current wind-load expectations. That’s the difference between swapping glass and doing PGT construction work correctly in Fontana.
PGT Models & Products We Service in Fontana
We service the full PGT lineup: WinGuard Aluminum Impact Windows, WinGuard Vinyl Impact Windows, the non-impact PGT Aluminum Series, and the PGT Vinyl Series. For any repair that touches the unit’s wind rating or warranty, we use OEM PGT replacement parts: glazing, weatherstrip, sash, and hardware. Aftermarket parts are reserved for non-critical trim only, never for anything structural. When a PGT unit hits 15-plus years with multiple seal failures or frame issues, we’ll walk you through the math comparing targeted repair against full replacement, and we’ll recommend whichever costs less over a ten-year window. We keep common PGT hardware and seal components staged locally, which shortens turnaround for Fontana repairs without sacrificing OEM quality.
See the difference
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AfterPGT Service Pricing in Fontana
Pricing for PGT work in Fontana depends on the scope: a single window repair costs far less than a whole-home impact retrofit. Here’s what we charge across the board, and these numbers hold for Fontana ZIP codes 92334, 92335, 92336, and 92337.
| Service | Price Range |
|---|---|
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Roof Repair | $400 – $1,800 |
| Garage Conversion | $30,000 – $80,000 |
What drives the cost: the number of openings, whether we’re rebuilding rough openings with proper flashing (common in Fontana’s 1990s tracts), and the PGT glazing package you choose. A free estimate from us includes a walkthrough of every opening, a written line-item quote, and our recommendation on repair versus replace. Call (877) 752-4194 to schedule yours.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana area and know this community well, and we also offer PGT service in Bloomington and nearby communities. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Fontana
Yes, in most cases we can replace PGT units within the existing rough openings without touching the surrounding stucco beyond minor flashing work. However, if the original opening was never flashed or uplift-rated, as we often find in Fontana’s 1990s and 2000s tracts, we’ll recommend rebuilding the perimeter detail before setting the new frame. The stucco opening stays the same size, but the waterproofing behind it gets corrected. Call (877) 752-4194 and we’ll tell you exactly what your openings need.
Yes. PGT WinGuard impact windows are engineered for high-wind zones and meet the design pressure ratings required for Fontana’s pass-adjacent exposure. The caveat is that the window only performs to its rating if the rough opening and fastening are done correctly. We spec WinGuard units with the right fastening schedule for your specific tract, because a rated window in an unflashed opening still leaks. Call (877) 752-4194 for a wind-load assessment on your home.
Most of the time it’s repairable. Fontana’s summer heat cycles can warp or pit the roller track, and wind-driven dust from the pass corridor wears down the rollers themselves. We replace the rollers, clean and realign the track, and adjust the strike plate, which usually restores smooth operation. If the frame itself has shifted or the glass has failed, we’ll show you the replacement math honestly. Call (877) 752-4194 for a diagnosis.
Yes, and we do this regularly. PGT WinGuard units work well for Fontana ADU conversions because they handle the wind exposure on the north side while meeting egress and energy requirements. We specify the right glazing package for each wall orientation, and we handle the entire conversion, from framing to finish, under one contract. We also offer Glen Avon PGT service for similar projects. Call (877) 752-4194 to discuss your garage conversion scope.
Santa Ana winds drive dust and fine grit into window tracks and against weatherstripping, which accelerates seal wear. Combined with Fontana’s high UV, vinyl weatherstripping on south and west elevations shrinks and cracks faster than on other exposures. We recommend inspecting seals and tracks every fall, before the Santa Ana season, and replacing any weatherstrip that has lost flexibility. It’s cheap prevention compared to a winter water-intrusion repair. Call (877) 752-4194 and we’ll put you on a fall maintenance schedule.
Service Areas Near Fontana
We also serve PGT service in Santa Ana for coastal-condition window and door work, and PGT service in Huntington Beach for salt-air and wind exposure along the coast. Closer to Fontana, we cover Silver Lakes and Piñon Hills, where pass winds are an even bigger factor. Our full Fontana service area spans all four ZIP codes: 92334, 92335, 92336, and 92337.
Book Your PGT Service in Fontana Today
If your PGT windows or doors are showing their age or the Santa Anas found a weak point, call (877) 752-4194 today. We’ll schedule a walkthrough, give you a written quote, and handle the whole job with one accountable team. We also provide Rialto PGT service and support throughout the Inland Empire. Build it right the first time, the Bay Area doesn’t give you a free pass on shortcuts, and neither does Fontana.
Written by Ken Stafford, Owner at Milpitas Construction, serving Fontana and the Inland Empire since 2003.