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Owens Corning Construction in Los Gatos, CA | San Bruno Construction
We provide independent Owens Corning roofing installation, repair, and storm-damage response across Los Gatos, from downtown 95030 bungalows to hillside 95033 custom homes off Highway 17. The thing that separates our Owens Corning work here is simple: we install these systems against Santa Cruz Mountains WUI fire codes and steep-slope geology, not flat-lot suburban conditions. If your Owens Corning roof is losing granules, leaking at the ridge, or needs full replacement, call (866) 472-1908 for a free estimate.
San Bruno Construction has installed and repaired Owens Corning roofing systems across the Santa Cruz Mountain corridor for over a decade, so we know how Oakridge and Duration shingles, WeatherLock underlayment, and their accessory lines behave on steep, fire-hardened slopes. Our crew tracks Owens Corning’s product updates and failure patterns firsthand, without any manufacturer authorization. We’re an independent service provider, which means our recommendations are based on what actually holds up in Los Gatos, not what a corporate rep needs to move this quarter. We coordinate the trades so you don’t have to, and we carry full-scope remodeling capability from roof to foundation. Owens Corning sales & service expertise runs through every job we touch.
Why Los Gatos Residents Choose Us for Owens Corning Service
Most roofing crews in Los Gatos see one or two steep-slope WUI jobs a year. We see them season after season. That repetition means we’ve learned what fails on Owens Corning roofs in this specific climate, long before the failure becomes a leak in your living room. We stock Owens Corning OEM shingles, underlayments, and accessories locally so turnaround on repairs doesn’t drag for weeks while parts ship from a warehouse in Ohio.
Noel Carvalho, our owner, grew up in San Bruno off El Camino Real and trained in construction technology at Skyline College, where the hands-on program taught him to read plans and understand load paths before a single tool comes out of the truck. Over the past two-plus decades he’s run residential projects across San Mateo County and into the Los Gatos hills, pulling permits, coordinating trades, and finishing roofs where the flashing actually lines up. That’s the standard we bring to every Owens Corning job in Los Gatos. Good construction doesn’t announce itself, it just works, year after year.
Styles & brands we work with







Common Owens Corning Construction Problems We Solve in Los Gatos
- Premature granule loss and cupping on south-facing 95033 slopes. Owens Corning Oakridge shingles on long, hot southern exposures get baked through the dry summer, then hit with atmospheric-river rain in winter. The thermal shock loosens granules and curls shingle edges. We see this most on hillside homes off Black Road and Summit Road.
- Blistered, cracked ridge lines on older downtown bungalows. Duration shingles installed without adequate attic ventilation in early-1900s Los Gatos cottages blister and crack along the ridge within a few seasons. The fix is usually ventilation-first, then shingle replacement, not just slapping new shingles over a hot attic.
- Wrinkled WeatherLock telegraphing through shingles on mid-century ranch homes. The 95030 and 95032 flats hold hundreds of mid-century ranches with uneven plank decking. WeatherLock underlayment applied over that substrate wrinkles and shows through the shingles as visible ridges. We strip and re-lay underlayment on affected sections before re-shingling.
- Wind-driven rain lifting hip and ridge caps on hillside exposures. Winter storms in Los Gatos drive rain sideways into ridge caps that weren’t sealed properly. Once water gets under a hip seam, edge decay starts within two seasons. We see this constantly in the 95033 corridor.
- Ember entry through noncompliant vents near the WUI boundary. Homes in the wildland-urban interface need more than Class A shingles. Older Owens Corning installations often have plastic ridge vents and unsealed flashing that embers can penetrate. We upgrade to noncombustible venting and ember-resistant flashing as part of any hillside roof repair or replacement.
Owens Corning Service in Los Gatos: What Local Conditions Mean for Your Roof
In the 95033 mountain corridors off Highway 17, Owens Corning roof systems must meet WUI ignition-resistant standards, so we routinely pair their Class A shingles with noncombustible ridge vents and ember-resistant flashing that aren’t required on flat-lot roofs in 95030 or 95032. That’s not a preference; it’s what the Los Gatos fire marshal’s office is checking for when they inspect. The difference between a code-compliant hillside roof and a flat-lot roof comes down to components most homeowners never see: the vent type, the flashing material, the underlayment’s fire rating. If any of those are wrong, a perfectly good Owens Corning shingle won’t save the roof structure.
Last spring, a homeowner on Black Road in the 95033 corridor called us after winter storms lifted ridge caps on their Owens Corning Duration roof. We found wind-driven rain had compromised the hip seams and underlying WeatherLock was wrinkled over uneven decking. We replaced the ridge caps, re-laid underlayment in affected valleys, and upgraded to ember-resistant vents to meet WUI standards. No more leaks through the next rain.
Owens Corning Models & Products We Service in Los Gatos
We work on the full Owens Corning residential roofing lineup: Oakridge architectural shingles, Duration Series architectural shingles including TruDefinition Duration, and WeatherLock underlayment systems. For warrantable repairs, we specify Owens Corning OEM shingles, underlayments, and accessory components, pairing them with high-quality aftermarket vents and fasteners where appropriate. When granule loss or decking damage is isolated, we repair. When more than a third of the roof plane is compromised, we recommend full replacement rather than patchwork. It costs less over five years to replace a failing plane once than to chase leaks across it season after season.
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AfterOwens Corning Service Pricing in Los Gatos
What you’ll pay depends on the roof plane, slope, access, and whether we’re repairing or replacing. Here’s what we quote across Los Gatos:
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Metal Roof Installation | $15,000 – $40,000 |
Steep 95033 hillside jobs run toward the high end because of safety equipment, staging, and the WUI-required vent and flashing upgrades. A flat 95032 ranch roof replacement runs lower. Every free estimate includes a written line-item quote so you can see exactly where the money goes before signing anything. Call (866) 472-1908 to schedule yours.
Serving Los Gatos, CA — Our Local Coverage Area
We’re based in the Los Gatos area and know this community well, and we also provide Owens Corning service in Monte Sereno. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Owens Corning Construction in Los Gatos
Yes, Duration shingles carry a Class A fire rating, which satisfies the shingle requirement for WUI zones in the Los Gatos hills. But the shingle is only one part of the assembly. Your underlayment, ridge vents, and flashing all need to be ignition-resistant too, and that’s where many Los Gatos roofs fall short. We install the full assembly to code. Call (866) 472-1908 for an inspection and quote.
On south-facing slopes in the 95033 corridor, repeated dry-summer heat cycles followed by winter atmospheric-river storms cause thermal shock that loosens granules and curls shingle edges. It’s a known failure pattern on Oakridge shingles in this climate, and it’s not covered by most warranties because it’s installation-environment driven. We can assess whether repair or replacement makes sense on your roof plane. Call (866) 472-1908 and we’ll take a look.
Yes. We handle storm damage repair throughout the Los Gatos hills, including Black Road, Summit Road, and the Highway 17 corridors, and we offer Lexington Hills Owens Corning service as well. We start with a tarp and temporary seal if the roof is actively leaking, then quote the permanent repair: ridge cap replacement, underlayment re-lay, or full plane replacement if more than a third of the roof is compromised. Call (866) 472-1908 and we’ll get someone out to assess.
We do. Metal roofing works well on Los Gatos hillside homes because it handles steep slopes, snow loads at higher elevations, and ember exposure better than most asphalt products. We install standing seam and metal shingle systems that pair with Owens Corning underlayments and flashing where appropriate, and we’ll tell you honestly if metal is overkill for your particular roof. Call (866) 472-1908 for a metal roofing quote on your Los Gatos home.
Homes in the Historic Downtown Commercial District and older in-town parcels need design review before a roof permit issues. That means shingle color, profile, and sometimes material get evaluated against the district’s character standards. We’ve navigated this process for Los Gatos homeowners and we sequence the review into the project timeline so it doesn’t stall your replacement, and we also handle Owens Corning repair in Cambrian Park. Call (866) 472-1908 and we’ll walk you through what applies to your property.
Service Areas Near Los Gatos
We serve Los Gatos and the surrounding South Bay and Peninsula communities. That includes Los Gatos service area coverage across 95030, 95031, 95032, and 95033, plus neighboring work in Owens Corning service in East Foothills and Owens Corning service in Alum Rock. If you’re in one of the adjacent hill or foothill communities, the same WUI and steep-slope experience applies.
Book Your Owens Corning Service in Los Gatos Today
You’ve got a roof that needs attention and a limited window before the next storm season. Call (866) 472-1908 to schedule your free Owens Corning roof estimate in Los Gatos or for Owens Corning repair in Saratoga. We’ll inspect, quote, and tell you straight what the roof needs, nothing more.
Written by Noel Carvalho, Owner at San Bruno Construction, serving Los Gatos and the Santa Cruz Mountain corridor since 2004.