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 Sherman Oaks, CA | Van Nuys Roofing Co
We provide independent Owens Corning roofing service across Sherman Oaks, from full shingle replacements to flashing repair and flat-roof patches. The one thing that sets our Owens Corning work apart here is that we plan around Sherman Oaks heat, not rain. Most Owens Corning failures we see in the 91403 and 91423 ZIP codes trace back to sun damage and thermal cycling, and we inspect and repair with that reality front of mind. Call (866) 321-6172 for a free estimate. We’re Owens Corning sales & service specialists who work on the roof you actually have, not the roof a brochure assumes.
Why Sherman Oaks Residents Choose Us for Owens Corning Service
We’ve installed and repaired Owens Corning systems across the San Fernando Valley for years, so we know how their shingle lines and underlayments behave under Sherman Oaks’ relentless sun and heat cycling. As an independent contractor, we bring that field experience to every roof without any manufacturer affiliation. That independence matters. We’re not steering you toward Owens Corning because a supplier told us to; we’re working on your Owens Corning roof because that’s what’s already up there, or because it’s the right system for your house. Rick Dominguez, our owner, learned roofing through the construction technology program at Los Angeles Valley College and spent two decades on Valley rooftops before starting Van Nuys Owens Corning service with Van Nuys Roofing Co. We inspect first and recommend second, and we’ll tell you straight whether a repair makes sense or a replacement does. GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, Boral – if it goes on a roof, we know it. That breadth means our Owens Corning advice isn’t a sales pitch; it’s just what we’d tell a neighbor.
Styles & brands we work with
Common Owens Corning Roofing Problems We Solve in Sherman Oaks
- Heat-accelerated adhesive strip failure on Duration® shingles: West-facing slopes in Sherman Oaks bake under afternoon sun that pushes roof-surface temperatures well past ambient. The adhesive strips that seal Duration® tabs can cure too fast and lose tack, leaving lifted tabs that catch wind. We see this constantly on the 1940s and 1950s ranch homes south of Ventura Boulevard.
- Granule loss and surface erosion on Oakridge® shingles: Intense UV exposure in the Valley’s hot inland basin breaks down the asphalt matrix faster than coastal climates. Oakridge® roofs on unshaded Sherman Oaks homes can show fiberglass mat within a decade if the original install had any ventilation shortfalls. Once the mat is exposed, patching buys time, not years.
- Dried, brittle sealant on older Supreme® roofs: Supreme® laminated shingles from the early 2000s are everywhere in Sherman Oaks. The sealant at shingle edges dries out after years of 90°F-plus summers, so wind-driven rain from the occasional winter storm finds its way under tabs that look fine from the ground. Flashing repair around chimneys and vents often accompanies these fixes.
- Premature aging of RhinoRoof® underlayment on low-slope sections: Many Sherman Oaks ranch homes have low-slope additions or garage roofs where attic temperatures soar. Owens Corning underlayments on those sections can crack and split at penetrations long before the shingles above show wear. We replace underlayment as part of shingle work whenever the slope and venting call for it.
- Dried decking that can’t hold fasteners: This one is specific to Sherman Oaks. Decades of Valley sun cook the original wood decking on older homes until it’s too dry and brittle to grip roofing nails. When we strip an Owens Corning roof, we regularly find decking that crumbles at the edges and needs replacement before new shingles go down.
Owens Corning Service in Sherman Oaks: What Local Conditions Mean for Your Equipment
Sherman Oaks sits in the San Fernando Valley’s hot inland basin south of the Santa Monica Mountains. Summer roof-surface temperatures routinely push well past ambient, and the sun hits hard year-round. Flat and low-slope roofs over Valley bungalows here fail primarily by UV-driven membrane and elastomeric degradation and thermal cycling, not by rain or snow load. For Owens Corning owners, that means your shingles and underlayment are under constant thermal stress even when the weather is “nice.” The late-afternoon sun side of a low roof can be too hot to walk bare-handed in summer. That heat is why we prioritize ventilation checks on every Owens Corning service in Valley Glen and throughout Sherman Oaks. A west-facing Duration® roof with poor attic airflow will granule-loss years ahead of one with proper intake and exhaust. Our inspection-first approach catches those ventilation gaps before they turn into a full tear-off. If it doesn’t need replacing, we’re not going to tell you it does.
Owens Corning Models & Products We Service in Sherman Oaks
We service and install the full Owens Corning lineup that shows up on Sherman Oaks roofs: Duration® Series architectural shingles, Oakridge® architectural shingles, Supreme® laminated asphalt shingles, and Trudefinition® Duration® shingles. When a repair calls for replacement shingles, we use genuine Owens Corning products when available to match existing profiles and maintain warranty compliance. But we’re upfront about limits. On many heat-damaged Sherman Oaks roofs, patching a failing system is throwing money at a problem that will come back. We stock common Owens Corning profiles locally for fast turnaround on repairs, and when a replacement makes sense, we can pull from the full Owens Corning catalog plus six other major brands to find the right system for your roof. Your roof, your material choice.
See the difference
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AfterOwens Corning Service Pricing in Sherman Oaks
Owens Corning shingle replacement in Sherman Oaks typically runs $4.50 to $7.50 per square foot, depending on roof pitch, tear-off layers, and whether decking replacement is needed. Flat roof patches on Owens Corning systems usually land between $350 and $900. Flashing repair around chimneys or vents is typically $250 to $650 per penetration. Decking replacement, when the old wood is too heat-dried to hold fasteners, adds $3 to $5 per square foot in most cases. What drives the cost is condition, not brand. A free estimate from us includes an on-roof inspection, photos of what we find, and a written line-item quote that doesn’t change once work starts. Call (866) 321-6172 for an exact quote – estimates are free.
Serving Sherman Oaks, CA — Our Local Coverage Area
We’re based in the Sherman Oaks area and know this community well, offering our Roof Repair in Sherman Oaks. 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
Granule loss at 12 years on a Sherman Oaks roof almost always points to UV and heat damage on an unshaded or poorly ventilated section, usually the west or southwest exposure. Duration® shingles carry a strong granule adhesion system, but the San Fernando Valley’s summer roof-surface temperatures push past what any asphalt shingle can shrug off indefinitely. We’d inspect the attic ventilation before recommending anything. If the decking is still sound and the granule loss is localized, a repair may work. If it’s widespread, a replacement with a cool-rated Owens Corning shingle is the better call. Call (866) 321-6172 and we’ll tell you which one actually makes sense.
Yes. Sherman Oaks ranch homes frequently mix slopes, and we handle both surfaces on the same job. The shingled sections get genuine Owens Corning replacement shingles when available; the modified bitumen low-slope section gets patched or replaced depending on condition. We won’t pretend a membrane patch fixes a shingle problem or vice versa. One crew handles both, which saves you from coordinating two contractors and two warranties.
We do, and we go in expecting decking damage on older garage additions. The original wood decking on 1940s to 1960s Sherman Oaks garages has been cooked by decades of Valley sun. It’s often too dry and brittle to hold new fasteners, so we quote decking replacement as a likely line item, not a surprise. On a 1955 ranch in the 91403 ZIP code, we handled a Roof Replacement in Sherman Oaks, tearing off a 20-year-old Owens Corning Supreme® roof that had lost most of its granules on the west-facing slope. The plywood decking beneath was so heat-dried it crumbled at the edges, so we replaced 12 sheets of decking and installed Owens Corning Duration® shingles with a high-temperature underlayment to better handle the attic heat. That’s the reality of Sherman Oaks garage roofs.
For most Sherman Oaks homes, we recommend Duration® Series shingles with a high-temperature underlayment and verified attic ventilation. The Duration® line holds up better than earlier Supreme® profiles under sustained heat, but no shingle survives without airflow. We also look at cool-rated options in the Owens Corning line when the roof is unshaded and the owner wants lower attic temperatures. The right answer depends on your roof’s pitch, exposure, and venting. We’ll walk you through it after an inspection, not before.
Yes. Chimney flashing repair is one of the most common Owens Corning-related calls we get in Sherman Oaks. The flashing itself is usually galvanized steel or aluminum, and it fails where it meets the shingles, often because the sealant dried out under years of Valley sun. We remove the old flashing, install new step and counter flashing, and integrate it with genuine Owens Corning shingles so the repair holds. Call (866) 321-6172 for a quote on flashing repair – estimates are free.
Service Areas Near Sherman Oaks
We serve Sherman Oaks and the surrounding San Fernando Valley communities, including Sherman Oaks service area coverage across 91403, 91413, 91423, and 91495. We also work in Van Nuys, Valley Glen, Owens Corning service in Encino, Owens Corning service in Studio City, and North Hills. Same crew, same inspection-first approach, wherever your roof is.
Book Your Owens Corning Service in Sherman Oaks Today
If your Owens Corning roof is losing granules, lifting tabs, or leaking at the flashing, call us before the next heat wave makes it worse. Estimates are free, and we’ll give you a straight answer on repair versus replacement. Reach Van Nuys Roofing Co at (866) 321-6172 to schedule your free Owens Corning roof inspection in Sherman Oaks.
Written by Rick Dominguez, Owner at Van Nuys Roofing Co, serving Sherman Oaks and the San Fernando Valley.