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 Sherman Oaks, CA | Bedrock Roof Repair
We provide independent Owens Corning roofing service across Sherman Oaks, handling everything from targeted valley repairs to full tear-offs with Duration, Oakridge, and Supreme shingle lines. What makes our Owens Corning work different here is the local context: south of Ventura Boulevard, the hillside streets are full of aging wood-shake roofs that insurers now flag, and the Valley heat cycles shingles harder than the coastal side of the hill ever will. Call (833) 589-7850 for a free estimate from a contractor who knows both the product and the terrain.

Why Sherman Oaks Residents Choose Us for Owens Corning Service
We’ve re-roofed Owens Corning systems across the San Fernando Valley for years, so we know how Duration, Oakridge, and Supreme shingles actually hold up under 100°F Valley summers and Santa Ana ember exposure, not just how they look on a spec sheet. As an independent contractor, we owe our allegiance to your roof, not to a manufacturer’s sales program. That distinction matters when a roof has ten good years left and someone’s trying to sell you a tear-off. Alan Cofield, who runs Bedrock Roof Repair, trained in the building trades at Cypress College and spent nearly two decades working roofs across Orange County before bringing that repair-first approach to Sherman Oaks. His rule is simple: the roof tells you what went wrong. You just have to know how to read it. We apply that same discipline whether we’re matching an Owens Corning patch on a 1990s tract home in the flats or re-decking a hillside ranch off Coldwater Canyon. For broader context on our Owens Corning work, see Owens Corning sales & service.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in Sherman Oaks
- Heat-baked curling at the rake and ridge. Duration and Oakridge asphalt mats dry out and curl at the rake and ridge before they show wear in the field, especially on south- and west-facing slopes. Sherman Oaks summers routinely push past 100°F, and the thermal cycling is relentless on the side of the roof that takes full afternoon sun. The fix is usually a ridge and rake replacement before the field shingles go.
- Granule loss and lifted tabs after Santa Ana wind events. Wind-driven embers and debris scour granules off windward slopes on 20-plus-year-old Supreme and Oakridge roofs, often paired with debris-choked valleys. After the fall winds, we get calls from homeowners who see bare asphalt patches on the slope facing the canyon. The granules end up in the gutters.
- Failed WeatherLock underlayment beneath shingles that still look fine. On hillside post-and-beam and mid-century ranch homes, heat-baked Owens Corning shingles over original low-pitch decks crack at the hips and nail lines where attic ventilation is marginal. The underlayment gives out first. By the time the ceiling stains show up after the first winter rain, the shingles may still look intact from the street.
- Rusted valley metal causing leaks that read as shingle failure. Valley leaks on Owens Corning roofs in Sherman Oaks are frequently the flashing, not the shingle field. Debris from the hillside trees chokes the valley, water backs up, and the rusted metal underneath finally opens. We replace the valley metal and match the shingles rather than tearing off the whole roof when the field is still sound.
- Wood-shake-to-Owens-Corning conversions driven by insurance. South of Ventura Boulevard, original 1950s and 60s wood-shake roofs are still common and act as ember traps. Many of our Owens Corning tear-offs here start as a brush-clearance or insurance requirement, not a leak. The scope has to close with a Class A fire-rated assembly and ember-resistant detailing before the job is signed off.
Owens Corning Service in Sherman Oaks: What Local Conditions Mean for Your Equipment
The defining fact of roofing in Sherman Oaks is that the city sits at the base of the Santa Monica Mountains, where San Fernando Valley heat collides with wind-driven brush-fire ember exposure. Every roof here has to answer two questions at once: can it keep the attic from baking in July, and will it hold up when embers land in the valleys and gutters during a Santa Ana event? That dual requirement shapes our Owens Corning recommendations more than any spec sheet ever could. A cool-roof-friendly Owens Corning Duration shingle in a lighter color will reflect more solar heat than a dark Oakridge, but the color choice also has to work with the fire-rated assembly your insurer wants. South-of-the-boulevard hillside streets like those off Coldwater Canyon and Beverly Glen see the worst of both conditions, which is why we insist on Class A assemblies with ember-resistant venting when we tear off an old shake roof and put Owens Corning down in its place. This is a more demanding environment than the cooler, coastal-side neighborhoods of Studio City or Encino. If you own a hillside ranch with the original shake roof, the conversation isn’t about whether you’ll re-roof; it’s about what goes back on and whether it closes with your carrier. We handle that scope from inspection to final sign-off. For the full picture of where we work, see Sherman Oaks service area.
Owens Corning Models & Products We Service in Sherman Oaks
We install and repair the full Owens Corning residential line that matters in Sherman Oaks, and we also provide Owens Corning service in Studio City: Duration (including Duration Storm and Duration Designer series), Oakridge architectural, and Supreme 3-tab, all paired with WeatherLock underlayment systems. When we’re replacing a system, we use genuine Owens Corning shingles, ridge caps, and WeatherLock underlayment so the manufacturer warranty stays intact. For flashing, fasteners, and other peripheral components, we use quality aftermarket materials where it makes sense and where no warranty is at stake. We stock the common Owens Corning colors and accessory lines that Sherman Oaks homes use most, which means we can move quickly when a homeowner needs a patch matched to an existing roof. If we’re repairing a valley on an Oakridge roof and need a specific granule blend, we source it direct rather than forcing a near-match that will show from the street.
See the difference
Before
After
Before
After
Before
AfterOwens Corning Service Pricing in Sherman Oaks
Pricing for Owens Corning work in Sherman Oaks depends on what the roof actually needs. A valley repair with new metal and matched shingles runs a fraction of a full tear-off, and if that’s the honest fix, we’ll tell you that. A full Duration tear-off on a hillside ranch runs higher here than on the flats because of re-decking over skip sheathing, the Class A assembly requirement, and access on steep streets. All of that gets spelled out line-by-line in our written quote, not buried in a change order later. We pull permits, we pass inspections, and we warranty our workmanship. Call (833) 589-7850 to schedule a free estimate. We’ll tell you what your roof actually needs, repair, replacement, or nothing yet.
Serving Sherman Oaks, CA — Our Local Coverage Area
We’re based in the Sherman Oaks area and know this community well, and we also handle Van Nuys Owens Corning service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.

FAQs – Owens Corning Roofing in Sherman Oaks
Yes, when installed as part of a Class A fire-rated assembly. Duration shingles themselves carry a Class A fire rating from the manufacturer, but the assembly matters as much as the shingle: the underlayment, the decking, the venting, and the edge detailing all have to work together. On Sherman Oaks hillside homes where brush-clearance scrutiny is aggressive, we spec ember-resistant venting and close gaps that would let embers reach the attic. Call (833) 589-7850 and we’ll walk your insurance requirements through the scope before you sign anything.
Almost never, and we’d advise against it. Original 1950s shake roofs on Sherman Oaks hillside homes sit over skip sheathing with gaps between the boards, and the shake itself is often brittle and gap-ridden. Laying Owens Corning shingles over that substrate violates manufacturer installation requirements and guarantees an early failure. The right scope is a tear-off, solid re-deck, and a Class A assembly with Owens Corning shingles. We do that work regularly south of Ventura Boulevard and offer Owens Corning repair in Encino, and we’ll show you the rotted deck boards before anything gets covered up.
Thermal cycling. Sherman Oaks summers push past 100°F for weeks at a time, and the ridge and rake edges heat up faster and cool down harder than the field. The asphalt mat dries out there first, which is why curl starts at the ridge on south- and west-facing slopes even when the field shingles still have life. Poor attic ventilation accelerates it. The fix is usually a ridge and rake replacement with matched Owens Corning ridge caps, not a full re-roof, unless the granule loss has spread across multiple slopes, and we also provide Owens Corning service in Valley Glen.
Yes, and we do it often. Valley leaks on Owens Corning roofs are frequently the metal flashing underneath, not the shingle field. We pull the shingles in the valley, replace the rusted metal, install new WeatherLock underlayment in the valley, and match the shingles back in. If the surrounding field still has granule and no curling, this is a legitimate long-term repair. If the roof is 20-plus years old with granule loss across multiple slopes, patching just delays the tear-off, and we’ll tell you that too. Call (833) 589-7850 for an exact quote, estimates are free.
We select Owens Corning shingle colors and ratings that satisfy both. Lighter Duration and Oakridge colors reflect more solar heat and keep attic temperatures down, which matters on 100°F Valley days. The fire side comes from the assembly: Class A shingles over fire-rated underlayment, ember-resistant venting, and closed edge details. On hillside Sherman Oaks homes, we spec both requirements in the written scope so your insurer and your electric bill both stay under control. Call (833) 589-7850 for a free estimate on an Owens Corning re-roof built for this climate.
Service Areas Near Sherman Oaks
We service Sherman Oaks and the surrounding San Fernando Valley and Orange County areas. For Owens Corning work in the Inland Empire, see Owens Corning service in Colton. For the Sedco Hills area, see Owens Corning service in Sedco Hills. We also cover Anaheim, Fullerton, Placentia, Garden Grove, Orange, and Stanton.
Book Your Owens Corning Service in Sherman Oaks Today
We’ll inspect your roof, explain what’s failing and why, and give you a written quote for exactly the work it needs. Same-day estimates are available for most Sherman Oaks homeowners. Call (833) 589-7850 to schedule your free Owens Corning roofing estimate.
Written by Alan Cofield, Owner at Bedrock Roof Repair, serving Sherman Oaks and the San Fernando Valley since [year].