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PGT Construction in Van Nuys, CA | Mason Remodeling Co Los Angeles
We provide independent PGT window and door service across Van Nuys, from impact glass replacement on WinGuard units to full retrofit installations on 1950s ranchers. The thing that sets our PGT work apart here is simple: we know how these products fail on post-war slabs and sandy soil, not just how they fail in a lab. If you’re dealing with a fogged sash, a sticking slider, or water at the sill, call (213) 632-5711 and we’ll give you a straight answer.
Why Van Nuys Residents Choose Us for PGT Service

PGT windows and doors earn their keep in Van Nuys. The summer heat, the Santa Ana dust, the shifting slabs under 70-year-old homes: all of it works against any window, even one built in Florida for hurricanes. Our crews have spent years field-servicing PGT product lines across this valley, and we see firsthand how laminated glass and frame corners hold up to heat, smog, and wind-driven debris. That knowledge is not something a General Contractor - Van Nuys picks up on a job or two.
Isaac Pruett grew up in the San Fernando Valley and spent his weekends as a kid watching his uncle tear out and rebuild just about everything in a house on Roscoe Boulevard. Two decades of residential and light commercial work across Los Angeles County later, he runs Mason Remodeling Co with one rule: show up on time, keep the site clean, and never leave a homeowner guessing. We are an independent PGT service provider, not manufacturer-affiliated or authorized, which means we answer to you, not to a corporate warranty department.
Styles & brands we work with







Common PGT Construction Problems We Solve in Van Nuys
- Fading and chalking vinyl frames on west-facing ranchers. A decade of direct Van Nuys afternoon sun breaks down the vinyl surface on PGT frames faster than most owners expect. We see it constantly on homes along Vanowen Street and throughout the 91401 and 91405 corridors. It is cosmetic at first, but left alone, the material gets brittle and corner welds start to fail.
- Compression-seal breakdown in horizontal sliders from sandy dust. Santa Ana winds push fine, gritty silt into the bottom tracks of PGT sliders. That dust grinds against the compression seals every time the panel moves. Within a few seasons, the seal is flat, the panel rattles, and air leaks through. Replacing the seal and cleaning the track bed fixes it before the frame itself wears.
- Weep-hole clogging in WinGuard impact units. Airborne silt does not just sit in the track. It finds its way into the small weep holes at the sill that let water drain out. When those clog, the first real winter downpour pushes water into the frame and onto your flooring. We clean and re-drill the weep system, then verify drainage before we call the job done.
- Stress cracks from retrofits into unsquared rough openings. A 1950s stucco wall has settled for 70 years. The rough opening is rarely square and rarely plumb. When a PGT impact unit goes in without custom shimming and correction, the corner welds carry stress they were never designed for. Hairline cracks appear, then grow. We square the opening before the window goes in, every time.
- Fogged insulated glass in units less than 15 years old. The seal between panes fails, moisture gets in, and you get permanent condensation that no amount of wiping removes. In Van Nuys, western exposure accelerates seal failure. We replace the sash with OEM glass where available, and we will tell you honestly when a whole-unit replacement makes more sense.
PGT Service in Van Nuys: What Local Conditions Mean for Your Equipment
Van Nuys homes built in the 1950s along corridors like Vanowen Street often have single-wall framing with no shear panel. That is a building practice from an era before seismic codes tightened, and it matters for PGT owners in a very specific way. An impact window is heavy. WinGuard laminated glass adds real weight to the sash. When you hang that weight in a rough opening that has no shear reinforcement behind the stucco, the entire assembly flexes in wind and under its own mass. A coastal installer who spends his days on concrete-block condos never encounters this. Our crews do, every week. We custom-shim the opening, add header reinforcement where the framing allows it, and use a non-corrosive sill pan so the weight settles correctly on the slab. Skip that step and your new PGT unit will never sit square, no matter how carefully it is installed.
PGT Models & Products We Service in Van Nuys
We service the full range of PGT residential product lines: WinGuard impact windows and doors, SpectraGuard, the 5500 Series, and the 7700 Series. When a part fails, we source OEM PGT glass and hardware through independent supply channels to keep warranties intact where applicable. When OEM inventory is delayed beyond what a homeowner should reasonably wait, we use a high-quality aftermarket balance or sash guide instead, and we tell you before we do it. For units older than 15 years with multiple failed seals, we recommend full sash or unit replacement over piecemeal repair. You get an honest recommendation, not a bill for work that will fail again next season. Our track record with PGT work across Van Nuys means most common parts are available locally, which keeps turnaround tight. For broader PGT context, see our PGT sales & service page.
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AfterPGT Service Pricing in Van Nuys

Here is what PGT work costs in Van Nuys, using the ranges we quote most often:
| Service | Price Range |
|---|---|
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Roof Repair | $400 – $1,800 |
Impact window pricing depends on how many units, whether the rough openings need correction (they often do on post-war Van Nuys slabs), and whether you are replacing sashes or full frames. Window replacement cost moves with frame material, glass package, and whether we are pulling a 1950s unit out of stucco or setting into newer framing, which is why many homeowners pair this with our Bathroom Remodeling in Van Nuys. Roof repair gets called in when window work exposes water damage at the header or sheathing. Every quote is a written, line-item price delivered before work starts. Call (213) 632-5711 and we will come measure.
Serving Van Nuys, CA - Our Local Coverage Area
We’re based in the Van Nuys 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 Van Nuys
WinGuard glass holds up well against heat and impact, but the frame and seal components take real abuse from fine sandy dust and months of direct sun. Expect cosmetic chalking on west-facing frames within a decade, and plan on seal maintenance for sliders exposed to Santa Ana winds. Call (213) 632-5711 for a free evaluation of your existing units.
In most cases, yes, if the existing frame is sound and the rough opening can be squared. The bigger variable is the wall itself: single-wall framing with no shear panel requires custom shimming and often header reinforcement before the heavier WinGuard sash goes in. We inspect the opening, give you a written price, and only then start work.
That is a failed insulated glass seal, and in Van Nuys it happens faster on windows with western or southern exposure. The seal breaks down under years of valley heat, moisture gets between the panes, and no surface cleaning will fix it. Sash replacement with OEM glass is the standard fix. Call (213) 632-5711 and we will tell you if your unit is worth repairing or replacing.
When we use OEM PGT glass and hardware, the manufacturer’s warranty on those parts remains intact where applicable. We are not authorized by PGT, which means we do not process warranty claims for them, but we will document the work and provide the paperwork you need to pursue a claim. We will also tell you before any work begins if a repair falls outside warranty coverage. Get a free estimate at (213) 632-5711.
Stress cracks at corner welds, almost always from retrofit units installed into rough openings that have shifted with the slab. The 1950s foundations under many Van Nuys homes move with the sandy-loam soil, and an unsquared opening flexes the frame every day. The fix starts with correcting the opening, not just swapping the sash. Call (213) 632-5711 for an assessment.
Service Areas Near Van Nuys
Our Van Nuys service area covers the central San Fernando Valley and surrounding neighborhoods. We also handle PGT service for customers in PGT service in Los Angeles, PGT service in Beverly Hills, West Hollywood, Culver City, and Venice. If you’re within an hour of the Valley, chances are we can help.
Book Your PGT Service in Van Nuys Today
Know who’s coming, know what it costs, know it’s guaranteed, everything else is just noise. We will send you the name and photo of your technician before the visit, put the price in writing, and back the work for 365 days. Call (213) 632-5711 to book your free PGT estimate in Van Nuys.
Written by Isaac Pruett, Owner at Mason Remodeling Co Los Angeles, serving Van Nuys since 2004.











