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 Van Nuys, CA | Bedrock Roof Repair
We provide independent Owens Corning roofing service across Van Nuys, from shingle replacement on 1950s tract bungalows to our Roof Repair in Van Nuys for full tear-offs when decking has gone soft. The one thing that makes our Owens Corning work here different is this: we know how these shingles fail after decades of Valley heat, stacked layers, and Santa Ana wind, and we’ll tell you whether a repair makes sense or the roof has run its course. Call (833) 589-7850 for a straight answer and a written estimate.

Why Van Nuys Residents Choose Us for Owens Corning Service
We’ve spent years working with Owens Corning shingles on Van Nuys’ tract homes, from Duration to Oakridge, and we’ve seen how these products perform under 150°F+ surface temperatures and wind that tears at aging ridge caps every fall. That familiarity means we can spot the difference between normal granule wear and a shingle that’s about to split, and we’ll tell you which one you have. Our independent status matters too. We’re not an authorized Owens Corning dealer, so we recommend the Owens Corning system that fits your roof and budget without being tied to a single manufacturer’s warranty program. Alan Cofield, our owner, trained in building trades at Cypress College and spent close to two decades reading roofs across Southern California before founding Bedrock Roof Repair. He’s the one who walks your roof in Van Nuys, and he doesn’t upsell.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in Van Nuys
- Granule loss and surface cracking on south- and west-facing slopes. Van Nuys roof surfaces routinely exceed 150°F from June through September, and Owens Corning shingles on those exposures cook faster than the north side. You’ll see granules in the gutters and thinning along the edges where UV hits hardest.
- Wind uplift and creasing from Santa Ana events. The dry gusts that blow through the Valley each fall and winter lift shingle corners and crease ridge caps. Once a shingle is creased, it won’t seal again, and the next wind event peels it further.
- Flashing and vent boot failure from trapped moisture. The ficus and camphor trees that line older Van Nuys streets drop leaves and seeds that pile against roof edges and clog valley gutters. Moisture holds against fascia and vent boots, cracking seals and starting dry rot long before the shingles themselves fail.
- Cracking on low-pitch 1940s-50s bungalows with skip sheathing. Many original Van Nuys homes were built with spaced boards rather than solid decking. Add two or three layers of shingles on top, and the lack of ventilation bakes Owens Corning shingles from underneath.
- Decking failure discovered during tear-off. On a 1950s ranch off Kittridge Street, our crew tore off three layers of old Owens Corning shingles and found the original skip sheathing too dry and split to hold new nails. We replaced the decking with solid plywood, installed Duration shingles in a color that matched the neighborhood, and added new vent boots and flashing. That roof will handle the next Santa Ana event.
Owens Corning Service in Van Nuys: What Local Conditions Mean for Your Roof
Van Nuys is the heart of the San Fernando Valley’s post-WWII tract-home belt, where tens of thousands of low-pitch bungalows still wear their original 1940s-50s wood-shake or hot-mop asphalt roofs, often their second or third layer by now. The roofing conversation here isn’t about new construction. It’s about correctly tearing off decades of stacked layers on modest single-story homes, many of them 1,000 to 1,400 square feet, without breaking the budget. What makes Van Nuys different from Sherman Oaks or Encino is how hot it gets. The Valley runs 10 to 20°F hotter than coastal LA, and roof surface temperatures on a July afternoon will hit 150°F before noon. That heat doesn’t just age Owens Corning shingles faster. It dries out the felt and flashing underneath, making the whole assembly brittle. When a Santa Ana wind event hits in October, a roof that looked fine in August suddenly shows lifted shingles and split ridge caps. The roof tells you what went wrong. You just have to know how to read it.
Owens Corning Models & Products We Service in Van Nuys
We work on the full Owens Corning residential line: Oakridge, Duration, Duration Premium, and Berkshire. Each has its own profile, weight, and wind rating, and we’ll tell you which one makes sense for a low-pitch Van Nuys bungalow versus a mid-century fourplex. We use Owens Corning shingles and accessories when they’re the right fit, but we’re not locked into them. We’ll recommend quality aftermarket underlayment or flashing when it serves your budget better. We keep common Owens Corning colors and accessory stock available for fast turnaround on Van Nuys repairs, and anything unusual can be ordered and on-site quickly. See our broader Owens Corning sales & service page for how we approach the brand across Southern California.
See the difference
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AfterOwens Corning Service Pricing in Van Nuys
Pricing depends on what we find once we’re on the roof. A targeted shingle replacement or vent boot repair on a Van Nuys home typically runs in the low hundreds. A full tear-off and re-roof with Owens Corning Duration shingles, including decking replacement where the old skip sheathing has failed, is a different number entirely. The wildcard on every Van Nuys bid is layer count. If you have three layers and soft decking underneath, the honest recommendation is a tear-off, and we’ll show you why with photos. Every estimate is free and written line-by-line, so you can see exactly what you’re paying for. Call (833) 589-7850 to schedule yours. We serve Van Nuys service area homes across 91408, 91409, 91410, and 91411.
Serving Van Nuys, CA — Our Local Coverage Area
We’re based in the Van Nuys area and also provide Owens Corning service in North Hills, so we 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 Van Nuys
No, and we won’t do it. Most Van Nuys homes from the 1940s and 50s already carry two or three layers, and the decking underneath is often dry, split, or starting to sag. Adding another layer hides the problem and bakes the lower layers hotter. A tear-off is the reliable fix, and we’ll show you what we found before we quote it. Call (833) 589-7850 for a free inspection.
Duration shingles are built with a heavier mat and reinforced nailing strip, which helps, but no shingle escapes the Valley. What matters is ventilation underneath. On a low-pitch Van Nuys bungalow with skip sheathing, even Duration will age faster without proper airflow. We address the roof as a system, not just a shingle swap.
Usually yes. A cracked or dried-out vent boot is a common leak source on Van Nuys homes, especially where leaf debris holds moisture against the boot. We remove the old boot, check the surrounding shingles and flashing, and install a new boot and sealant. If the shingles around it are sound, the repair stands alone. Call (833) 589-7850 and we’ll take a look.
Yes. Owens Corning Duration and Duration Premium carry high wind ratings when installed per the manufacturer’s spec, but the installation details matter more than the rating. We nail to the correct pattern, use the right fasteners, and seal ridge caps properly so they don’t lift when the first Santa Ana event of the season hits Van Nuys.
Flat and low-slope sections on Van Nuys additions are typically built-up asphalt or modified bitumen, not shingles. Owens Corning makes underlayment and accessory products for some low-slope applications, but we’ll recommend the right material for the slope and condition. Sometimes that’s a patch, sometimes a re-coat. We’ll tell you which one after we inspect it. Call (833) 589-7850 for a free estimate.
Service Areas Near Van Nuys
We serve Van Nuys and the surrounding Valley communities. If you’re nearby, we also provide Owens Corning service in Valley Glen and Owens Corning service in Muscoy. Same honest diagnosis, same repair-before-replacement standard, wherever your roof is.
Book Your Owens Corning Service in Van Nuys Today
Call (833) 589-7850 and we’ll schedule a free roof inspection in Van Nuys. We’ll walk the roof, show you what we find, and give you a written estimate that covers repair, replacement, or nothing yet, if that’s what the roof actually needs.
Written by Alan Cofield, Owner at Bedrock Roof Repair, serving Van Nuys and the San Fernando Valley.