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Boral Windows & Doors: The Campbell Owner’s Guide
Boral windows and doors in Campbell typically run $4,500-$15,000 for full replacement depending on frame material, glazing package, and opening count; single-unit part swaps for failed sashes, locks, or weatherstripping usually fall between $180-$650 installed. We stock Boral-compatible hardware and seal kits on our Campbell trucks, and most part replacements are completed in a single visit. Homeowners usually discover the failure when a window won’t stay open, a door drags on the threshold, or they feel a draft along the jamb that weatherstripping no longer seals.
Which Boral Models This Applies To
Boral’s window and door lines changed hands after the 2016 divestiture, so the label on your frame matters more than the brand name alone. We service the Boral 300 Series vinyl double-hungs common to Campbell tract builds from 2004-2014, the Boral 500 Series aluminum-clad wood units found in Pruneyard-area townhomes, and the earlier Boral Architectural Series commercial-grade aluminum storefront systems still in use along Bascom Avenue retail spaces. The 300 Series used two different lock mechanisms depending on manufacturing year: pre-2010 units carry a single-point cam lock with a 2-1/8″ screw spacing, while 2010-and-later units switched to a dual-point tilt latch system. Check the etched code in the glass corner or the sticker on the frame head for a date stamp starting with “MFG” - that’s your starting point. OEM Boral parts are largely discontinued for the 300 Series, so we source quality aftermarket equivalents from Truth Hardware and AmesburyTruth that match the original spec without the original part number markup. For the 500 Series clad units, we can still get factory-sourced sash balances and weatherstrip profiles that mate with the existing frame extrusion.
Signs Your Boral Windows & Doors Is Failing

- The sash drops or won’t stay raised. This points to a failed coil balance or broken pivot bar in the jamb liner - a common failure in Campbell’s 300 Series units after 12-18 years of thermal cycling, where the galvanized spring fatigues faster than in cooler climates.
- Visible daylight or air movement around the closed sash. Compression weatherstripping on Boral vinyl units loses its memory in sustained heat; once the bulb section flattens beyond 30% of original height, the seal is gone and your HVAC load climbs.
- The lock engages but the sash still shifts. Usually the keeper has wallowed out its screw holes in the vinyl jamb, or the cam itself has worn to a rounded profile - either way, the lock is cosmetic, not structural.
- Condensation between glass panes. The edge seal on the insulated glass unit (IGU) has failed; the desiccant inside the spacer bar is saturated, and the thermal performance of that pane is permanently degraded.
- The door slab binds or scrapes the threshold. In Boral’s aluminum storefront systems, this often traces to a failed door closer arm or a sagging hinge barrel - but it can also mean the subsill has cracked, allowing water intrusion that’s swelling the frame.
Before
AfterReplacement Cost & What’s Included
Single Boral part replacements in Campbell run $180-$650 installed, depending on whether we’re swapping a balance assembly ($220-$340), a full IGU ($380-$650 with tempered glass), or a hardware set ($180-$280). Full Boral window replacement for a typical Campbell ranch runs $4,500-$15,000, driven by frame material (vinyl at the low end, aluminum-clad wood higher), glass package (dual-pane standard, triple-pane or laminated upgrade), and whether the original flanges are intact or we need to cut back stucco to tie in new weather-resistant barrier. Every quote is a flat written price with line-item parts and labor - no open-ended time-and-materials. Under Clause 1 of the Haven Standard, that written price is delivered before any work starts. Our 365-Day Done Right Promise covers the installation and the part; if the balance fails or the IGU fogs inside twelve months, we replace it at no charge.
DIY or Call Us?

An owner can safely check the model label, photograph the failed part, and confirm the rough opening dimensions with a tape measure - that prep saves us twenty minutes on site. What we don’t recommend: removing a Boral sash with a failed balance, since the counterweight is under spring tension and a slipped tool can crack the glass or damage the jamb liner beyond repair. Similarly, cutting out a failed IGU without understanding the frame’s structural silicone bedding risks distorting the vinyl or breaking the thermal break in aluminum units. We’ve replaced three sashes this month in Campbell where the homeowner’s DIY attempt turned a $280 balance job into a full sash replacement. Call (831) 704-1211 and we’ll scope it in person - estimates are free, and we carry the common Boral-compatible parts on the truck.
FAQs
Vinyl frames typically hold 20-25 years here, though the coastal influence in Campbell’s flatter zones accelerates weatherstripping degradation compared to the hillside neighborhoods above 200 feet elevation. Call (831) 704-1211 for an exact quote on replacement - estimates are free.
Hardware and balances are replace-only; an IGU can sometimes be reglazed into the existing sash if the frame is square and the glazing bead isn’t brittle, but the sealed unit itself cannot be “repaired” once desiccant saturation occurs. Call (831) 704-1211 for an exact quote - estimates are free.
Most single-unit hardware or balance replacements take 45-90 minutes on site; IGU swaps run 2-3 hours including cure time for the bedding compound. Call (831) 704-1211 to schedule - estimates are free.
We carry Truth Hardware balances, AmesburyTruth tilt latches, and standard compression weatherstrip profiles that fit Boral’s 300 and 500 Series frames; specialty IGUs and clad-wood sash components are ordered to spec with a 7-10 day lead time. Call (831) 704-1211 to confirm availability for your model - estimates are free.
Written by Grant Rowan, Owner, Rowan Construction Group Campbell at Rowan Construction Group Campbell, serving Campbell and nearby areas.







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