Owens Corning
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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Owens Corning Roofing in San Antonio Heights, CA | Hollywood Roofing Co
We provide independent Owens Corning roofing service across San Antonio Heights, from targeted repairs to full replacements using Duration, Oakridge, and TRU Definition shingle systems. What sets our work here apart is simple: we understand that a roof in this unincorporated foothill community has to answer to three different masters – the county’s wildfire building codes, your HOA, and an insurance underwriter who remembers the Grand Prix Fire. Call (833) 589-7971 for a straight answer about your Owens Corning roof, whether it needs a patch or a full replacement.
Why San Antonio Heights Residents Choose Us for Owens Corning Service
We’ve installed and repaired Owens Corning products across the 91784 corridor long enough to know how they actually age under a foothill sun that sits hard on south-facing planes all summer. Hollywood Roofing Co works across seven major brands – GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral – which means we recommend Owens Corning when it’s the right fit for your home, not because a supplier tells us to push it. We’re an independent contractor, not an Owens Corning dealer. Roland Vega, our owner, grew up in Los Feliz and learned the trade at LATTC, and he’s spent nearly three decades watching what Santa Ana wind does to roofs that were fastened wrong. That experience is why we stock Owens Corning-approved starter, ridge, and underlayment components locally, so we don’t cut corners on the pieces that hold a shingle system together. From the first inspection to the final nail, the same crew handles your roof – no handoffs, no finger-pointing. You can read more about our Owens Corning sales & service work and how we approach the brand’s full product range.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in San Antonio Heights
- Granule loss on south-facing Duration and Oakridge planes. Summers here routinely push past 100°F, and that heat bakes the asphalt in Owens Corning architectural shingles faster than the warranty math assumes. We see fiberglass mat showing through on the sun side of roofs where granule loss has gone unchecked. The fix depends on how far the shingle has deteriorated – some fields can be repaired, others need re-roofing.
- Wind uplift and tab tearing after Santa Ana gusts. When those 60 mph northeast winds rake the foothills, they hit rake edges and ridges first. Owens Corning shingles that were installed without a proper starter course or with too few fasteners tear loose. We re-secure what’s salvageable and replace what isn’t, always with the manufacturer-specified fastening pattern.
- Seal-strip failure on older Supreme and three-tab roofs. A lot of the original 1960s and 70s homes up here still have three-tab shingles, and many sit over skip sheathing. The deck flexes, the seal breaks, and the tabs lift. That’s a roof that’s reached the end of its service life, and any honest contractor will tell you spot-patching it is wasted money.
- Leaks from dried underlayment and aging pipe boots. On Owens Corning roofs where the shingle field still looks serviceable, the leak often starts at a pipe boot, step flashing, or valley metal joint. The underlayment beneath dries and cracks over decades of foothill heat, and the leak finds its way inside.
- Ember-vulnerable details on otherwise sound roofs. After the 2003 Grand Prix Fire, insurance companies got serious about ember protection. Even a newer Owens Corning roof can have vulnerable spots – open eaves, unsealed gaps at roof-to-wall transitions – that need ember-resistant detailing to satisfy a policy review.
Owens Corning Service in San Antonio Heights: What Local Conditions Mean for Your Roof
San Antonio Heights is unincorporated county land, which means roofers here answer to the county’s wildfire building codes first, with individual HOAs layering their own architectural rules on top. That’s a different process than a city like Upland or Ontario, where a municipal building department handles everything. When we replace an Owens Corning roof in the 91784 zip, we’re often documenting a complete Class A assembly — similar to Owens Corning repair in Claremont — – the shingles, the underlayment, the eave and ridge detailing – so the homeowner can hand their insurance carrier proof that the roof meets current fire-resistance standards. That’s not a generic Owens Corning job. It’s a San Antonio Heights job that happens to use Owens Corning materials. On a 1970s ranch-style home off a foothill lane in 91784, we tore off a dried-out three-tab roof and found skip sheathing and a ridge that had been compromised by years of Santa Ana uplift. We re-decked solid, installed Owens Corning Duration architectural shingles with a full starter course and matched ridge and hip components, and detailed the valleys and step flashing with ember-resistant practice so the homeowner could hand her insurer a documented Class A assembly. A roof doesn’t ask for much – just that you pay attention before it has to ask loudly.
Owens Corning Models & Products We Service in San Antonio Heights
We install, repair, and replace the full Owens Corning shingle line, including Oakridge architectural shingles, Duration architectural shingles, Supreme and TRU Definition asphalt shingles, and the Berkshire Collection designer line, just as we do with Owens Corning in Rancho Cucamonga. Our replacement work uses Owens Corning-approved starter, ridge, hip-and-ridge, and underlayment components that belong with each system – we don’t mix and match brands mid-roof. Whereaftermarket flashing or pipe boots outperform the OEM piece, we use them and tell you why. We keep common Owens Corning components available locally for fast turnaround in the 91784 area.
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AfterOwens Corning Service Pricing in San Antonio Heights
Repair pricing for Owens Corning roofs in San Antonio Heights depends on what’s failing. A pipe boot replacement or small flashing repair starts in the low hundreds. Replacing a damaged starter course or a section of lifted shingles along a rake edge runs higher, especially where we need to peel back and reset underlayment. Full replacements vary by square footage, pitch, and whether we’re tearing off concrete tile or wood shake first. We give you a written line-item estimate before any work starts, so you know exactly what’s driving the cost. Call (833) 589-7971 to schedule a free estimate for your Owens Corning roof repair or replacement.
Serving San Antonio Heights, CA — Our Local Coverage Area
We’re based in the San Antonio Heights 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 – Owens Corning Roofing in San Antonio Heights
Yes, and that’s often the deciding factor for homeowners in the 91784 area. Owens Corning Duration shingles are Class A fire-rated, but the shingle alone isn’t what satisfies an insurer. What matters is the documented assembly – shingles plus fire-resistant underlayment, ember-resistant eave and ridge details, and proper flashing. We’ve done enough post-Grand Prix Fire insurance inspections to know what carriers in this foothill corridor ask for, and we document the job so you have the paperwork to show them. Call (833) 589-7971 and we’ll walk you through what your policy needs.
It depends on how fast it’s happening and where. Granule loss is normal as shingles approach 15 to 20 years, especially on south-facing planes that take full inland sun. But if you’re seeing bare fiberglass mat on a mid-life Oakridge roof, that’s accelerated wear that might point to a manufacturing issue. We can inspect and tell you honestly whether a warranty claim is worth pursuing, or whether the roof is simply doing what a San Antonio Heights roof does after enough 100°F summers. Estimates are free.
Yes. Steep pitches on large foothill lots are the norm up here, and we work with proper safety equipment and staging rather than heavy scaffolding that scars the hillside. Our crews are experienced with the access challenges of San Antonio Heights properties, where you’re often working against a slope with limited clearance. We’ll assess your specific pitch and access during the estimate.
In nearly every case, yes. Concrete tile is too heavy to roof over with shingles, and old wood shake has to come off before we install a Class A Owens Corning system. Some of the original 1950s homes here also have skip sheathing, which has to be re-decked solid before Owens Corning shingles can be properly fastened and sealed, a step we also handle during our Roof Repair in San Antonio Heights. We’ll confirm what’s under your current roof during the inspection.
We coordinate both. The county requires specific wildfire-resistant roofing assemblies on new re-roofs in this area, and your HOA may have its own rules about shingle color, profile, or even brand. We pull the county permit, document the Class A assembly for both the inspector and your insurer, and confirm with your HOA before any material is ordered. That way the roof passes every set of eyes that’s going to look at it. Call (833) 589-7971 and we’ll help you figure out what your property needs.
Service Areas Near San Antonio Heights
While we work throughout San Antonio Heights and the 91784 zip, we also serve surrounding foothill and valley communities. If you’re in Upland, Ontario, or nearby foothill neighborhoods, we bring the same Owens Corning expertise and independent, seven-brand approach. See our San Antonio Heights service area page for local details, Owens Corning service in Upland, or Owens Corning service in Ontario for specific coverage.
Book Your Owens Corning Service in San Antonio Heights Today
If your Owens Corning roof needs a repair or you’re weighing a full replacement in San Antonio Heights, call (833) 589-7971. We’ll schedule a free estimate, give you an honest condition report, and help you decide what’s worth doing now and what can wait.
Written by Roland Vega, Owner at Hollywood Roofing Co, serving San Antonio Heights and the surrounding foothill communities.