Kitchen remodeling
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PGT Construction in Foster City, CA | Workshop Contractors
We provide independent PGT window and door service across Foster City, from WinGuard impact units to aluminum sliders that have spent forty years in bayfront air. The difference here comes down to one thing: Foster City’s engineered fill and high water table change how PGT frames fail, so our crews re-detail every opening as a moisture-management detail before setting anything new. Call (844) 384-3361 for a free estimate on PGT repair or replacement.
Why Foster City Residents Choose Us for PGT Service
We’ve installed and serviced PGT products across San Mateo County for years, and we’ve learned how PGT’s aluminum and vinyl lines behave specifically in Foster City’s marine-grade, high-water-table environment. We’re not tied to PGT’s dealer network, which means we diagnose what’s actually failing on your unit and recommend the right PGT series, or a repair, only when replacement genuinely isn’t warranted.
Noel Figueroa, our owner and general contractor, got his first framing hammer from the generation of tradesmen who built his childhood street in Ontario, and he’s carried that “look twice at the corner” standard into every window and door opening we touch. Build it right the first time. The second time costs twice as much and nobody’s happy about it.
Styles & brands we work with







Common PGT Construction Problems We Solve in Foster City
Here’s what we see on PGT units across Foster City, and why each one happens here more than in neighboring cities:
- Corner and miter joint separation on PGT aluminum frames. Daily fog and moisture-laden bayfront air cycle through the thermal break, and over years the corners start to open. Once a frame corner separates, the unit loses its structural square and weather seal. That’s a replacement, not a repair.
- Sliding glass door roller and track corrosion. High ambient humidity near the lagoon and bayfront accelerates corrosion on PGT door rollers and tracks. Doors drag, then seize. We use PGT OEM rollers where they’re still in production, and aftermarket equivalents only when a profile has been discontinued.
- Failed glazing seals and fogged insulated glass on WinGuard units. Wind-driven fog gets behind perimeter flashing, and once moisture reaches the glazing seal, the insulated glass unit fogs permanently. We replace the glass unit and correct the flashing path that let the moisture in.
- Water infiltration at sill and threshold. Many PGT units were set into Foster City slab-on-grade openings where the original flashing was never designed for high groundwater and capillary rise. We re-detail the sill before setting a new unit.
- Sill rot and efflorescence behind the frame. This is the one you don’t see until we pull the unit. On Foster City slab-on-grade homes, moisture wicks up through the concrete and into the rough opening. We reframe where needed and add a vapor path that didn’t exist in the original 1960s or 1970s install.
PGT Service in Foster City: What Local Conditions Mean for Your Equipment
Foster City is a planned community built on engineered fill over tidal marsh, so almost every construction project here is really a geotechnical and dewatering problem in disguise. That’s not true in San Mateo or Redwood City, where homes sit on older, firmer ground. What this means for PGT owners is that a window or door opening isn’t just a hole in a wall. It’s a moisture boundary between a climate-controlled interior and a high-water-table exterior.
Our PGT crews treat every opening we touch as a moisture-management detail first. On a Portofino-style lagoon-side townhome in the 94404 ZIP, our crew pulled four original PGT aluminum sliding glass doors whose rollers had corroded solid and whose sill flashing had let bayfront fog wick into the wood framing. We replaced the corroded tracks and OEM rollers where the frames held, reframed and re-flashed two openings where the fill-soil moisture had rotted the sill plates, and set new PGT WinGuard sliders, then confirmed the patio thresholds drained away from the slab instead of toward it. The point is that many Foster City slab-on-grade PGT units we’ve pulled show sill rot and efflorescence you simply don’t see in San Mateo or Redwood City, so we re-detail the flashing and vapor path before setting a new unit, every time.
PGT Models & Products We Service in Foster City
We service the PGT lines most common in this part of San Mateo County: WinGuard aluminum impact-resistant windows and sliding glass doors, Architectural Series vinyl single-hung and casement windows, WinGuard Vinyl impact units on bayfront remodels, and the aluminum sliding glass doors on 1960s – 80s Foster City patios. For PGT sales & service, we stock OEM replacement rollers, weatherstripping, glazing gaskets, and sash hardware locally so Foster City turnaround stays short. A corroded roller or failed gasket is a repair. A frame whose corners have separated, or whose opening was never flashed correctly, is a replacement. We tell you which one you’re looking at before we order parts.
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AfterPGT Service Pricing in Foster City
PGT work in Foster City spans from small repairs to full opening replacements, and the price follows the scope. A failed roller or gasket is the least expensive fix. A corroded frame corner or a sill that needs reframing adds real cost, and an impact-rated WinGuard replacement on a bayfront opening sits at the higher end. Here are the ranges we work within for Foster City:
| Project | Typical Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Roof Replacement | $8,000 – $20,000 |
A free estimate means we come out, look at the actual unit, and tell you whether you’re looking at a repair or a replacement, with a written line-item quote. Call (844) 384-3361 for an exact quote. Estimates are free.
Serving Foster City, CA — Our Local Coverage Area
We’re based in the Foster City area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in Foster City
The lagoon-side air in Foster City carries more daily moisture and salt than what you get two miles inland in San Mateo, and that moisture condenses in the track and on the roller assemblies of PGT aluminum sliders every morning. Over a decade or two the rollers corrode and the doors drag. The fix in Foster City is usually OEM replacement rollers and track, plus a corrected threshold drain so water doesn’t pool under the door. Call (844) 384-3361 and we’ll tell you what your door actually needs.
Yes, directly. Foster City’s engineered fill and high water table mean slab-on-grade openings wick moisture up through the concrete, which rots sill plates and pushes efflorescence behind the frame. We treat every PGT opening as a moisture boundary: we re-detail the flashing, add a vapor path where the 1960s original never had one, and confirm the threshold drains away from the slab before we set the unit.
No. Once the corner joint on a PGT aluminum frame separates, the thermal break is compromised and the frame no longer holds its structural square or weather seal. The honest answer is a replacement. We’ll tell you that straight, and we’ll quote a like-for-like PGT WinGuard unit rather than patching a frame that will fail again.
For a kitchen remodel in Foster City that opens a rear wall to the patio, we usually spec PGT WinGuard aluminum sliding glass doors or multi-slide doors. They handle the daily fog and salt air better than vinyl sliders, and the impact rating matters less on an interior wall than it does on a bayfront elevation, but the corrosion resistance is what you want here. We’ll size the unit to your opening and coordinate the header and flashing details with the rest of the remodel, since full kitchen remodeling sits in our scope as our General Contractor in Foster City.
Foster City’s building department is strict about opening work on slab-on-grade homes, partly because of the fill soils and high water table that aren’t a factor in San Mateo or Redwood City. For a window or door replacement that changes the opening size, expect to need a structural review and a flashing detail that accounts for capillary rise. We pull the permits, we submit the detail, and we schedule the inspections on the same timeline as the rest of the job.
Service Areas Near Foster City
Our PGT service territory covers Foster City service area and the surrounding San Mateo County communities. We also provide PGT service in Highlands-Baywood Park and PGT service in Half Moon Bay, where the coastal fog and salt air create similar corrosion and flashing challenges.
Book Your PGT Service in Foster City Today
If your PGT slider drags, your WinGuard window is fogged, or you’re planning a remodel that opens a wall to the lagoon breeze, call (844) 384-3361 to schedule your free estimate. We’ll come out, look at the opening, and tell you straight what needs repair and what needs replacement.
Written by Noel Figueroa, Owner & General Contractor at Workshop Contractors, serving Foster City and San Mateo County.