Owens Corning
Architectural shingles
Metal roofing
Tile roofing
GAF
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Owens Corning Roofing in Altadena, CA | Hollywood Roofing Co
We’re an independent Owens Corning service provider serving Altadena, and the work here is different from anywhere else in the San Gabriel Valley. The 2025 Eaton Fire changed how every roof in this town gets evaluated, repaired, or replaced, and years of foothill wind and sun have already tested most Owens Corning installations in ways flatland roofs never experience. We handle Owens Corning inspections, repairs, and full replacements across Altadena, with our crews working from the flatlands below Altadena Drive up into the hillside neighborhoods west of Lake Avenue. Call (833) 589-7971 to talk about your roof.
Why Altadena Residents Choose Us for Owens Corning Service
Most roofing companies can order Owens Corning shingles. Fewer can tell you why your Oakridge roof on a south-facing Altadena slope is losing granules three years faster than the same shingle on a shaded lot in Pasadena. Roland Vega, our owner, grew up in Los Feliz and spent years watching what Santa Ana winds do to roofs that weren’t installed right. We bring that same attention to every Owens Corning job in Altadena: whether it’s a repair on a Supreme three-tab roof from the 1990s or a full Duration replacement on a post-Eaton rebuild. We stock genuine Owens Corning shingles and accessories for faster turnaround, and our installers work with the manufacturer’s installation specs so the roof performs the way the warranty expects. Seven leading brands sit on our trucks, but when Owens Corning is the right material for an Altadena home, that’s what we recommend without hedging.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in Altadena
- Granule loss on south- and west-facing slopes. Altadena’s dry summers and intense UV hit Oakridge architectural shingles hard on the sunward sides of foothill homes. The granules erode, the asphalt base gets exposed, and the roof ages visibly faster than the shaded north slope. We do targeted replacement when the decking is still sound, and full tear-off when it isn’t.
- Wind-lifted or blown-off Supreme three-tab shingles. Older Altadena homes still carry Supreme shingles, and the lighter three-tab profile doesn’t hold up against the Santa Anas that rip down from the Angeles National Forest. We see cracked and missing tabs after every serious wind event. If the roof is otherwise in good shape, we replace the damaged sections; if the wind damage is widespread, we talk straight about whether repair still makes sense.
- Duration shingles lifting at rakes and eaves. On roofs where the original installer skipped proper starter strip or used too few nails, Duration shingles can peel up during wind-driven ember events. In Altadena’s post-Eaton environment, that gap at the eave isn’t just cosmetic; it’s a firebrand entry point. We fix the nailing pattern and starter course when we’re on the roof, and we flag it during inspections even when it isn’t leaking yet.
- WeatherGuard underlayment issues after tear-offs. We’ve seen WeatherGuard wrinkle when it’s installed over uneven original decking on some of Altadena’s older custom homes, trapping moisture against the sheathing. On a full replacement, we check the decking before the underlayment goes down, and we replace sections that aren’t flat enough to hold the membrane properly.
- Flashing failures around chimneys and valleys. Altadena’s Craftsman bungalows and custom foothill homes have complicated roof intersections: brick chimneys, dormer valleys, rafter tails. The flashing around these details is the first place an Owens Corning roof leaks, especially after a season of wind-driven rain. We replace flashing boots and step flashing before they fail.
Owens Corning Service in Altadena: What Local Conditions Mean for Your Roof
In the foothill neighborhoods north of Altadena Drive, roofs collect decades of pine needles and oak leaf litter in valleys and behind chimneys. That debris isn’t just a maintenance nuisance. It’s the hidden fuel that turns a minor ember into a total structure loss. We saw it repeatedly after the Eaton Fire: homes where the roof assembly itself might have survived, but the accumulated litter on top of it lit up first and took everything with it. For Owens Corning owners in Altadena, that fact changes the conversation about what a roof needs. We now routinely recommend ember-resistant vents and a Class A assembly for hillside homes, even when the existing roof wasn’t originally fire-rated to that standard. A home on New York Drive near the foothills has different risk than one in the flats below, and the Owens Corning system we spec reflects that. This isn’t a detail you’ll find on a generic manufacturer page. It’s specific to Altadena’s post-Eaton rebuilding reality.
Owens Corning Models & Products We Service in Altadena
We work on the full Owens Corning asphalt shingle line: Oakridge Architectural Shingles, Duration Premium Architectural Shingles, Supreme Asphalt Shingles, and WeatherGuard Underlayment. Our parts approach is straightforward: we use genuine Owens Corning shingles and accessories, matching the original product line whenever we can, to keep warranty eligibility intact and performance consistent. For fast Altadena turnaround, we keep common Duration and Oakridge colors stocked locally, and we order specialty colors and accessories from our supplier network without long delays. We also handle flashing repair, vent boot replacement, and valley lining as part of the same service call.
See the difference
Before
After
Before
After
Before
AfterOwens Corning Service Pricing in Altadena
Owens Corning repair work in Altadena typically runs $350 – $800 for a targeted fix like flashing or a small shingle patch. A full Owens Corning roof replacement on a typical Altadena home lands between $12,000 and $25,000 depending on roof complexity, steepness, and whether we’re replacing the decking underneath. The post-Eaton market has shifted pricing upward across the board: material costs rose, and the sheer volume of rebuilds in Altadena means contractors are booked further out. Our free estimates include a written, line-item quote. Call (833) 589-7971 and we’ll schedule a time to walk your roof.
Serving Altadena, CA — Our Local Coverage Area
We’re based in the Altadena area and know this community well, and we also provide Owens Corning service in East Pasadena. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Owens Corning Roofing in Altadena
Owens Corning warranty coverage applies to manufacturing defects, not fire damage. The Eaton Fire damage falls outside the standard warranty. However, if your Owens Corning roof was part of an insurance claim, our team can document the existing roof condition and help you navigate what the policy covers. Call (833) 589-7971 and we’ll assess what you’re working with.
Duration shingles can be installed as part of a Class A fire-rated roof assembly, which is what WUI code requires for Altadena’s foothill neighborhoods. The shingle itself is one component; the full assembly includes the underlayment, decking, and edge details. We install Duration systems that meet current WUI requirements, including ember-resistant venting where the home needs it, and we offer La Cañada Flintridge Owens Corning service as well.
Slope orientation and tree cover explain most of the difference in Altadena. South- and west-facing roofs take direct UV all afternoon, and foothill homes with no shade canopy degrade faster. Your neighbor’s roof may be shaded by oaks or oriented differently. If the granule loss is asymmetric, we can tell you whether it’s normal weathering or a material issue worth documenting. Call (833) 589-7971 and we’ll take a look.
Yes. We match the existing shingle line and replace damaged tabs and sections, and we re-secure lifted shingles with proper nailing and starter strip where needed. If the wind damage is widespread, we’ll be honest about whether a full replacement is the smarter long-term move. A roof that’s lost its wind resistance doesn’t get stronger with a patch.
Clear the valleys, behind chimneys, and around roof penetrations regularly. In Altadena’s foothill neighborhoods, that debris is the difference between a roof that survives an ember shower and one that becomes fuel. We recommend ember-resistant vents and a Class A assembly for hillside homes, and we can check your roof’s current fire rating during an inspection. Call (833) 589-7971 to schedule one.
Service Areas Near Altadena
We provide Owens Corning service across the foothill communities and nearby LA neighborhoods, including Altadena service area coverage for 91001 and 91003, plus Owens Corning service in North Hills and Owens Corning service in Willowbrook for homes further south. We also work in Glendale, Pasadena, and Studio City. For Owens Corning sales and service anywhere in the region, see our Owens Corning sales & service page.
Book Your Owens Corning Service in Altadena Today
Last month, our crew finished a full Owens Corning Duration replacement on a 1925 Craftsman bungalow in the Altadena foothills west of Lake Avenue. The original wood shingles had been scorched by embers, and the decking underneath showed char. We stripped it down, hung new OSB, laid WeatherGuard underlayment, and finished with Duration shingles in a Class A assembly. The homeowner now has a fire-rated roof that meets current WUI code. Your roof may not need that much work. But if you’re wondering whether it does, call (833) 589-7971 for a free estimate. Roland Vega and our crew have been working Altadena roofs long enough to tell you the truth about yours.