Boral Windows & Doors Nationwide

Boral Windows & Doors: The Sunnyvale Owner’s Guide

Boral windows and doors in Sunnyvale typically run $4,500-$15,000 for full replacement and $400-$1,800 for component-level repair, depending on whether we’re matching a single sash or an entire multi-panel door system. We stock Boral-compatible hardware, weatherstripping, and glazing beads on our Sunnyvale trucks, and most part replacements are completed in one visit. Most Sunnyvale owners discover a problem when they feel a draft along the sill, see condensation between panes, or the latch won’t catch - signs that the thermal seal, balance mechanism, or locking hardware has reached end of life.

Call (650) 405-3637

Which Boral Models This Applies To

Boral’s window and door lines changed names twice between 2005 and 2019, so the first step is reading the etched mark in the glass corner or the sticker on the frame edge. We most commonly service the Boral 3000 Series vinyl windows (1998-2012), the Boral Architectural Aluminum line used in many Sunnyvale Eichler and mid-century builds, and the Boral ThermaPlus fiberglass doors that shipped with multi-point locking hardware. The 3000 Series used a proprietary balance shoe - a 5/8-inch tilt latch that looks standard but isn’t; the hole spacing is 2-1/8 inches center-to-center, not the 2-inch pattern found on Jeld-Wen or Milgard equivalents. For Architectural Aluminum, the glazing bead profile is a snap-in vinyl wedge, 3/8-inch exposed face, that Boral sourced from two different extruders depending on the year; the 2008-2011 beads are slightly softer and degrade faster in Sunnyvale’s UV exposure. We carry both profiles. Aftermarket hardware from Amesbury Truth or Caldwell will fit most Boral frames, but we always verify the original spec sheet before quoting - a mismatch on the balance spring tension means the sash won’t stay open, and you’ll be calling us twice.

Signs Your Boral Windows & Doors Is Failing

• Fog or moisture between double panes. The insulated glass unit (IGU) seal has failed, allowing humid air into the spacer channel. In Sunnyvale, this accelerates when morning marine layer moisture hits glass that’s already stressed from summer thermal expansion.
• Sash drops or won’t stay open. The coil balance spring has lost tension or the pivot bar has worn where it engages the shoe. On Boral 3000 Series, this often starts on the south-facing elevations where heat cycling is most severe.
• Draft along the sill or jamb even when closed. The compression weatherstrip has flattened or the sill track has bowed from foot traffic or settlement. We see this in Lakewood Village homes where original 1980s Boral sliders were never resealed.
• Multi-point door lock won’t engage at all three points. The gearbox has stripped or the shootbolts are out of alignment with the keepers. Boral ThermaPlus doors are sensitive to frame racking; if the installation shim pack compressed, the whole locking plane shifts.
• Visible daylight around the frame perimeter. The sealant bead has cracked or the installation foam has degraded. This is structural air leakage, not just weatherstripping - it means the frame-to-rough-opening joint is compromised.

Before

After

Replacement Cost & What’s Included

For Boral window and door work in Sunnyvale, component repair runs $400-$1,800 and full unit replacement runs $4,500-$15,000. What drives the spread: a single IGU replacement with new glazing beads and sealant is at the low end; a ThermaPlus door with multi-point hardware, threshold adjustment, and trim repair is at the high end. Our quotes itemize parts, labor hours, and any subcontractor scope (tempered glass, lead-safe work) separately - Clause 1 of the Haven Standard requires the written price before any work starts. Every Boral part replacement carries our 365-Day Done Right Promise: if the balance spring tension is off or the sealant bead fails, we make it right. The documented photo record from your visit shows before, during, and after - included, not optional.

DIY or Call Us?

An owner can safely check the etched glass mark, photograph the hardware stamp, and verify the sash opens and closes smoothly - that’s useful information that speeds our diagnosis. What goes wrong fast: removing a Boral IGU without proper suction cups risks tempered glass implosion; adjusting a multi-point door gearbox without shimming the frame first destroys the keeper alignment; and any work above the first floor in Sunnyvale requires fall protection that most homeowners don’t keep on hand. The balance springs in Boral 3000 Series windows are under tension - if the pivot bar slips during removal, the coil unwinds with force. We’re background-checked, uniformed, and we carry the parts. Call (650) 405-3637 and we’ll schedule a free estimate with the written price before anyone picks up a tool.

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