Owens Corning
Architectural shingles
Metal roofing
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GAF
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Owens Corning Roofing in North Hills, CA | Bedrock Roof Repair
We provide independent Owens Corning roofing service across North Hills, including our Roof Repair in North Hills and full replacement of Duration®, Oakridge®, and Supreme® shingle systems. The detail that separates our Owens Corning work here is that we start every leak call at the addition tie-ins, the low-slope garage and patio seams that bake and crack in Valley heat before the original roof field ever fails. If you’re seeing ceiling stains or granule loss in North Hills, call (833) 589-7850 for a straight answer and a free estimate.

Our team reads Owens Corning’s installation specs line by line and matches shingle profiles and colors to what’s already on your roof. We’re not affiliated with, authorized by, or sponsored by Owens Corning, and that independence matters: we answer to you, not to a manufacturer’s sales target. For deeper background on how we work with the brand, see our Owens Corning sales & service page.
Why North Hills Residents Choose Us for Owens Corning Service
Alan Cofield, our owner, trained in the building trades program at Cypress College and spent nearly two decades reading roofs across Orange County and the Valley. He’ll tell you the roof tells you what went wrong. You just have to know how to read it. That’s the approach we bring to every Owens Corning job in North Hills and our Owens Corning service in Van Nuys: look at the seam, the slope, the sun exposure, and the underlayment before ever touching a shingle.
We work with all seven major roofing material brands, GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so our recommendation follows your roof’s condition and your budget, not a supplier incentive. When Owens Corning is the right call, we stay within the Owens Corning family for shingles, WeatherLock® underlayment, and matching accessory components, so the assembly holds together as a system. We use quality aftermarket flashing and metal only where it performs better in Valley heat. That’s the honest trade-off, and we’ll explain it before any work begins. This is our home turf, the same way it is across the broader North Hills service area we cover.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in North Hills
- Granule loss and early edge-seal failure on south- and west-facing slopes. Duration® and Oakridge® fields on North Hills homes take brutal inland UV and thermal cycling. The shingles lose granules and the edge seal lets go years before the shaded north plane shows any wear. We inspect both exposures and patch or re-shingle only the slopes that actually need it.
- Dried, torn WeatherLock® on shallow-pitch original tracts. On the low-slope 1950s and 1960s ranch roofs that dominate North Hills, Owens Corning shingles rely on underlayment for drainage more than on steep-slope shedding. WeatherLock® and felt dry out and tear under heat long before the shingle surface looks bad. We replace the underlayment at the seam and re-shingle above it.
- Baked, split tie-in flashing at garage and patio additions. The later low-slope additions on North Hills ranch homes are where leaks actually surface. The flashing where a shallow main roof meets an addition cracks and pulls away from the wall line after years of Valley sun, while the Owens Corning field above it still holds water. We rebuild the tie-in and replace the damaged flashing.
- Uplifted tabs and cracked sealant at rakes and ridges. One-story ranch eaves in North Hills take full afternoon sun, and dry-heat cycling lifts shingle tabs and cracks the sealant strip at rakes and ridges. We lift the damaged courses, reset the seal, and replace only the tabs that have gone stiff.
- Flat built-up sections over attached garages. Many North Hills homes have flat built-up roof sections over garages or additions. When these sections fail, they pull water into the tie-in and down into the ceiling. We patch the flat section, address the Owens Corning shingle transition, and leave the original main roof alone when it still has life.
Owens Corning Service in North Hills: What Local Conditions Mean for Your Roof
North Hills sits squarely in the San Fernando Valley’s hot inland zone, where summer rooftop surface temperatures routinely push well above ambient air temperature. The dominant 1950s and 1960s tract housing was built with low-slope and shallow-pitch roofs, which means roofers here spend their careers on asphalt shingle and built-up assemblies subjected to extreme thermal cycling, not on steep historic roofs. That heat-driven expansion and UV aging shows up first at the seams. On a one-story ranch off Parthenia Street, our crew chased a ceiling stain back to the tie-in where a 1960s low-slope garage addition meets the original shallow-pitch main roof. The flashing had baked and split, and the Owens Corning 3-tab field above it was still holding. We rebuilt the tie-in flashing, lifted the damaged courses, replaced the dried WeatherLock® at that seam, and re-shingled with matching-profile Owens Corning shingles. Then we probed the rest of the main roof and left it in place. That’s the North Hills pattern: repair the seam, replace the shingles that lost the battle, and don’t tear off a roof that still has years left.
Owens Corning Models & Products We Service in North Hills
We service and install the Owens Corning lines you’re most likely to find on North Hills tract homes: Oakridge® architectural shingles, Duration® architectural shingles, and Supreme® 3-tab strip shingles. For underlayment, we use WeatherLock® self-adhering membrane where the job calls for it, particularly on low-slope sections and at addition tie-ins where drainage depends on the underlayment more than the shingle surface.
On parts, we stay with Owens Corning shingle lines and WeatherLock® underlayment so the assembly stays coherent. We keep common Owens Corning shingle profiles and matching accessory components on hand for fast North Hills turnaround, and we use quality aftermarket flashing and metal where Valley heat demands better performance than OEM. When a slope can be patched and warranted, we patch it. When layer count or heat-cycled shingles mean a tear-off is the honest answer, we tell you that plainly.
See the difference
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AfterOwens Corning Service Pricing in North Hills
Owens Corning roofing service in North Hills depends on what’s actually failing and where. A targeted flashing repair at a garage or patio tie-in runs less than a full slope re-shingle. A WeatherLock® replacement at a single seam costs less than an underlayment replacement across the entire low-slope section. And a full Owens Corning re-roof is its own calculation, based on square footage, tear-off, decking condition, and shingle line.
What drives the price here is the addition-tie-in geometry. North Hills ranch homes with later garage and patio additions almost always need flashing rebuilt at the seam before any shingle work makes sense. That’s a labor cost, but it’s the labor that stops the leak. We give written line-item estimates, and we never change the price once work starts unless the decking underneath reveals something we couldn’t see from above. Call (833) 589-7850 to schedule your free estimate.
Serving North Hills, CA — Our Local Coverage Area
We’re based in the North Hills area and know this community well, with Northridge Owens Corning service nearby as well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Owens Corning Roofing in North Hills
We can match your existing Owens Corning shingles on a patch in most cases, provided the profile and color are still in production and the surrounding field is sound. A torn or uplifted tab on one slope doesn’t require a full roof. The honest answer depends on layer count, granule condition, and how the adjacent shingles have aged in the Valley sun. Call (833) 589-7850 and we’ll tell you what the roof actually needs, repair, replacement, or nothing yet.
The leak starts at the tie-in because that’s where the heat stress concentrates. North Hills’ original shallow-pitch main roofs were built as one continuous field, but the later garage and patio additions created seams where two different slopes meet. The flashing at those seams bakes and cracks in Valley sun, while the Owens Corning shingle field above it keeps shedding water. Water finds the split flashing and follows it down into the ceiling. That’s the first place we look on every North Hills leak call.
Low-slope roofs need more from their underlayment, and sometimes a different approach. On a steep pitch, underlayment is a backup. On a shallow North Hills tract roof, the shingles shed water slowly, so the underlayment becomes the drainage layer. We use WeatherLock® self-adhering membrane at valleys, eaves, and addition tie-ins, and we replace dried felt or membrane under any shingle section we re-work. It’s the seam that matters, not just the shingle.
Check the south- and west-facing slopes first. Look for granule loss in the gutters, uplifted tabs at rakes and ridges, and cracked sealant strips along the eaves. Then walk the addition tie-ins visually from the ground and look for pulling or splitting in the flashing. North Hills winter rain comes in a few concentrated storms, and the failures that started in summer show up then. Call (833) 589-7850 for a pre-rain inspection, estimates are free.
No. We are an independent roofing company that installs and repairs Owens Corning shingle and underlayment systems every week across the San Fernando Valley. We read Owens Corning’s installation specs line by line and match shingle profiles and colors to what’s already on the roof, but we’re not affiliated with, authorized by, or sponsored by Owens Corning. Our accountability is to you, not to a manufacturer.
Service Areas Near North Hills
Our Owens Corning service covers North Hills and the surrounding Valley and Orange County communities. If you’re nearby, see our pages for Owens Corning service in Romoland or Owens Corning service in San Fernando. We also serve Anaheim, Fullerton, Placentia, Garden Grove, Orange, and Stanton.
Book Your Owens Corning Service in North Hills Today
If you have a stain on the ceiling, granules in the gutter, or a flashing seam that’s been baking in the Valley sun for too long, call (833) 589-7850. We’ll inspect your Owens Corning roof, tell you what it actually needs, and quote a free line-item estimate, whether you’re in North Hills or need Owens Corning in Valley Glen.
Written by Alan Cofield, Owner at Bedrock Roof Repair, serving North Hills and the San Fernando Valley.