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PGT Construction in San Bruno, CA | Iron Beam Contractors
We’re Iron Beam Contractors, and we provide independent PGT window and door service across San Bruno, CA. We install, repair, and replace PGT units in this city’s 1940s-60s stucco tract houses on the flats and the pier-and-post ranch homes up toward Crestmoor. What makes our PGT work different in San Bruno is that we treat every opening as a seismic detail, not just a hole in the wall. Call (833) 756-5936 for a free estimate.
We’re not a PGT dealer. We’re a general contractor that works on PGT WinGuard, PGT 2300/2400 series vinyl, and PGT aluminum sliders every week, and we know how those frames behave when they’re anchored into bay mud, Franciscan bedrock, and fog-dewed stucco. Our PGT sales & service experience runs from original builder-grade aluminum to current impact-rated units, and we spec both repair and replacement based on what the opening actually needs, not what’s easiest to sell.
Why San Bruno Residents Choose Us for PGT Service
Most window crews in the Bay Area have never had to shim a heavy PGT sliding door on a house that sits on expansive clay and liquefaction-prone soil. We have. Nolan Driscoll, our owner, grew up in Orange County watching how clay and grade move under slab and pier foundations, and he’s spent the decades since applying that to real job sites. The same structural logic he learned framing and pouring across single-family additions and commercial tenant improvements applies directly to San Bruno’s PGT work: if the wall can move, the window frame has to move with it without racking the glass.
We’re a full-scope general contractor, which means when your PGT replacement reveals rot in the rough opening or a sill plate that’s drifted out of level, we fix the structure before we touch the window. One contractor, every phase. We’re not a broker who calls a separate stucco guy and a separate framer. Our team handles the opening, the flashing, the anchoring, the trim, and the interior return, all under one agreement. Homeowners in San Bruno call us because the answer is never “that’s not our scope.”
Styles & brands we work with







Common PGT Construction Problems We Solve in San Bruno
- Fogged insulated glass on north-facing walls. San Bruno’s summer fog bank rolls through the Golden Gate gap and parks itself against the city all afternoon. North-facing PGT units never really dry out. Seal failure shows up as fog between the panes, and it’s the single most common PGT repair call we run in the 94066 ZIP. If the frame is sound, we reglaze with a matching low-E unit. If the seal has gone and the frame is also failing, replacement is the honest call.
- Corroded fasteners and oxidized aluminum on original PGT sliders. Salt-laden Pacific moisture sitting against an aluminum sill without drainage eats the fasteners first, then the frame. We see this on original PGT Aluminum Series sliders in the 1960s tracts, especially where the stucco wasn’t flashed correctly and water wicks into the frame corners. Repair means new hardware and often a retrofit drain path before the new glass goes in.
- Vinyl frame and weatherstrip shrinkage on 1980s-90s PGT units. The flats in San Bruno hold a lot of mid-era PGT 2300/2400 vinyl single-hungs and sliders that have slowly shrunk. Drafts at the meeting rail, water intrusion at the bottom corners, and tracks that bind in the winter. We replace weatherstrip with OEM stock where the line is still supported, and we adjust or rebuild tracks rather than telling you to replace a window that just needs real service.
- Slider roller and track wear on hillside ranch homes. Up Crestmoor and along the ridge, houses sit on pier-and-post foundations over expansive Bay clay. The clay swells and shrinks with the wet-dry cycle, the posts shift a fraction, and a heavy PGT door panel goes out of plumb. Rollers wear fast. We adjust, shim, and replace rollers and track sections so the door actually works without forcing it.
- Fogged or racked PGT units on post-2010 Crestmoor rebuilds. The homes rebuilt after the 2010 PG&E pipeline explosion went in under current seismic codes, which means stronger shear walls and stiffer framing. Great for the house, harder on windows. We see PGT units on those rebuilt homes that fog earlier than expected and need frame work because the opening moved less than the soil beneath it. We anchor and shim them as a unit so the glass stays square.
PGT Service in San Bruno: What Local Conditions Mean for Your Equipment
San Bruno sits directly on the San Andreas Fault, and underneath the city is a patchwork of liquefaction-prone bay mud and Franciscan bedrock. That is not a fact that lives on a county geology report. It shows up in the way window and door openings behave. On the flats where the mud is thickest, the ground itself moves during shaking, which means an opening can rack even if the framing holds. On the hillsides where pier-and-post foundations sit on expansive clay, the movement is slower and constant, year over year. For PGT owners this means the window frame cannot just be screwed to the rough opening and caulked. It has to be shimmed and anchored to a fixed reference so the wall can move without racking the glass or twisting the door panel. We plan for that from the first measurement, not after the unit doesn’t fit.
Add the marine fog to that soil story and you get the other San Bruno constant: moisture, just as we see with PGT service in Brisbane. Exterior trim rots, fasteners corrode, and insulated glass works harder. We’ve replaced PGT frames on a single block in Crestmoor where a post-2010 rebuilt house sat next to a surviving 1960s ranch, and the two jobs were nothing alike. The newer house needed anchoring and shimming tied to the fault-zone footing detail. The older house needed track rebuilds and new rollers on an original aluminum slider. Two houses, one street, completely different PGT work. That’s San Bruno.
PGT Models & Products We Service in San Bruno
We service the PGT product lines most common in San Bruno’s housing stock: PGT WinGuard aluminum impact-rated windows and sliding glass doors, PGT 2300/2400 series vinyl single-hung and sliding windows, PGT Aluminum Series sliding glass doors, and PGT EnergyVue low-E insulated glass packages. Our parts approach is straightforward. We use OEM hardware, weatherstrip, glass, and rollers wherever the model line is still supported. When a line is discontinued, we source quality aftermarket glass or hardware rather than forcing a replacement that the opening doesn’t need. We stock common PGT weatherstrip profiles and roller sets locally so San Bruno service calls don’t stall waiting on a shipment from Florida. For full replacements, we quote current PGT models with the right low-E package for this climate: wet, cool summers, and a real marine salt load.
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AfterPGT Service Pricing in San Bruno
Pricing depends on whether we’re repairing an existing PGT unit or replacing it, and on the engineering the opening requires. A track rebuild or weatherstrip replacement is a service call. A full window replacement on a 1960s flat where the opening is square runs differently than an impact window installation on a Crestmoor hillside where we’re shimming against seismic movement. Here are the ranges we work within for San Bruno jobs:
| Service | San Bruno Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Home Addition | $45,000 – $130,000 |
A free estimate means we come out, measure the openings, check the condition of the frames and glass, and give you a written line-item quote before any work starts. You’ll know what’s repair, what’s replacement, and what’s structural before you sign anything. Call (833) 756-5936 to schedule one.
Serving San Bruno, CA — Our Local Coverage Area
We’re based in the San Bruno area and know this community well, and we also provide PGT service in Millbrae. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – PGT Construction in San Bruno
Fog between the panes means the insulated glass unit’s seal has failed, and in San Bruno the most common trigger is the persistent marine fog that rolls in through the Golden Gate gap all summer. The same pattern affects PGT repair in Pacifica. North-facing units especially never get a dry-out cycle. Moisture works into the edge seal, the desiccant inside the unit saturates, and the glass fogs. The fix is reglazing with a new low-E unit if the frame is sound, or replacing the window if the frame is also failing. Call (833) 756-5936 and we’ll tell you which one your windows need.
Yes. San Bruno’s soil is a mix of liquefaction-prone bay mud and Franciscan bedrock, which means the ground and the structure don’t always move together during shaking. We anchor and shim PGT frames to a fixed reference so the wall can move without racking the glass or twisting the door panel. On hillside pier-and-post homes over expansive clay, the movement is slow and constant, so we account for it the same way. A window nailed to the rough opening might hold for a decade; one properly shimmed and anchored will outlast the opening itself.
Usually yes. We work on mixed-era blocks in Crestmoor where post-2010 rebuilt homes sit next to surviving 1960s ranch houses, and we’ve matched current PGT windows to both eras. The newer home needs current Title 24-compliant low-E glass and seismic anchoring. The older home may have original PGT aluminum with specific extruded profiles. We’ll spec the right model line and install both to look right from the street. Call (833) 756-5936 for a free estimate on the specific addresses.
No. Iron Beam Contractors is an independent general contractor. We are not authorized, sponsored, or warranted by PGT. We install and service their products on our own name and workmanship, and we use OEM parts wherever the line is still supported. That independence means we’ll tell you honestly when a PGT unit should be repaired rather than replaced, because we answer to the homeowner, not a dealer quota.
In most San Bruno residential cases, swapping a window for a window in the same opening doesn’t require a permit if we’re not changing the opening size or framing. If the opening is being enlarged, if we’re adding structural shear or changing the exterior envelope on a remodel, or if the home is in the post-2010 Crestmoor replacement-era record set, the city will likely want drawings and a permit. We handle permit paperwork as part of the job. Call (833) 756-5936 and we’ll tell you what your specific house needs.
Service Areas Near San Bruno
Our PGT service covers San Bruno and the surrounding Peninsula neighborhoods. We also run PGT service in South San Francisco for the 1940s-70s tracts on the other side of the ridge, and PGT service in Piñon Hills for hillside homes that share the same pier-and-post clay conditions. If you’re in the broader San Bruno service area, we’re close enough to get you a free estimate within the week.
Book Your PGT Service in San Bruno Today
If your PGT windows are fogged, your slider is binding, or you’re planning a replacement on a fault-zone lot, call us at (833) 756-5936. We’ll schedule a free estimate, walk the openings with you, and tell you what the structure actually needs. If the structure makes sense on paper, it’ll hold in the field. If it doesn’t make sense on paper, we fix it before we touch a beam. That’s how we work in San Bruno.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving San Bruno and the Peninsula.