Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Owens Corning Roofing in Fresno, CA | Brennan Roofing
We provide independent Owens Corning roofing installation, repair, and inspection across Fresno. The one thing that makes our Owens Corning work different here is that we understand exactly what this valley’s 100°F summers and hard freezes do to shingle systems. We’re not manufacturer-affiliated or authorized. We’re a local roofing company that knows Owens Corning products and how they fail in Fresno’s specific climate. Call (361) 320-9467 for a written estimate.
Why Fresno Residents Choose Us for Owens Corning Service
Most homeowners in Fresno don’t need a sales pitch. They need a roofer who knows whether their Owens Corning Duration shingles are failing from heat fatigue or from a sealant strip that never set right after a fast spring warm-up. That’s the distinction we make on every call. Travis Oakley, who owns this Roofing Company - Fresno, trained in building construction technology at Los Angeles Trade-Technical College and spent nearly two decades doing production and repair work across California. He’ll tell you flat-out if a localized repair is the right call or if the whole field has oxidized past the point of patching. Our techs are background-checked and arrive in uniform. The price goes on paper before any work starts, and it doesn’t move at the door.
We’re part of the Garrison Partners family, founded in 2000, and we operate under the Garrison Standard: written pricing, uniformed technicians, and a 365-Day Done Right Promise in writing on every job. If a repair fails within a year, we come back free. That’s not a slogan. It’s on paper. For a deeper look at our Owens Corning work, see Owens Corning sales & service.
Common Owens Corning Roofing Problems We Solve in Fresno
- Thermal cracking and granule loss on Duration and Oakridge shingles. After repeated 100°F+ Fresno summers, the asphalt oxidizes faster than it would in a coastal climate. You’ll see exposed fiberglass mat and brittle shingle edges, usually on west- and south-facing slopes first.
- Sealant strip failure during spring warm-ups. Fresno’s temperature swings in March and April cause architectural shingles to lift at the tabs before the sealant has fully bonded. Wind-driven rain gets under the shingle even when the shingle looks fine from the ground.
- Ice damming at eaves and valleys during hard freezes. It surprises people that Fresno freezes hard enough to cause ice dams, but poorly insulated older homes get them every few winters. Water backs up under Owens Corning shingles and soaks the decking, even when the shingle itself is intact.
- WeatherGuard HP underlayment breakdown on low-slope and flat sections. Mid-century Fresno ranch homes often have low-slope roof sections where water ponds after winter rains. Ponding water breaks down Owens Corning WeatherGuard HP faster than sloped sections with proper drainage.
- Step flashing failures where wood shake roofs meet sidewalls. In the Tower District and downtown Fresno, original wood shakes pull away from sidewall flashing as they dry and curl. When we re-roof with Owens Corning shingles, that flashing almost always needs repair or replacement at the same time.
Owens Corning Service in Fresno: What Local Conditions Mean for Your Equipment
Here’s the thing about Fresno that a generic Owens Corning page won’t tell you: because so many pre-1980 homes in the Tower District and downtown still have original wood shake roofs, re-roofing with Owens Corning architectural shingles often triggers a City of Fresno building permit and sometimes a structural evaluation. The original shakes are heavy. Removing them changes the dead load on the roof structure, and the city wants to verify the framing can handle the new system. That step rarely comes up in newer subdivisions elsewhere in California. We handle the permit paperwork and the inspection process as part of the job. Homeowners around Van Ness Avenue and the Tower District call us specifically because we know which projects need the structural sign-off before we even order materials. A roof that’s squared away doesn’t need a sales pitch.
What this means for Owens Corning owners specifically: if you’re replacing a wood shake roof with Duration Series shingles, the project isn’t just a tear-off and re-cover. It may include decking repair, structural verification, and a permit inspection. We’ve worked through enough of these in Fresno to tell you upfront whether your project will need the extra step, which saves you from a surprise stop-work order mid-project.
Owens Corning Models & Products We Service in Fresno
We install and repair the Owens Corning Duration Series with SureNail Technology, the Oakridge Series, Trudefinition Duration Designer shingles, and their WeatherGuard HP and Deck Defense synthetic underlayments. We use genuine Owens Corning replacement shingles whenever they’re available so the repair matches the existing field. For underlayment, flashing, and vent boots, we’ll use quality aftermarket products where they hold up better in Fresno’s heat than the OEM equivalents. We keep common Owens Corning colors and accessories stocked locally so most Fresno repairs don’t wait on a distributor shipment.
For a full picture of our Fresno service area, we cover every neighborhood from downtown to the newer subdivisions north of Herndon.
Owens Corning Service Pricing in Fresno
Most Owens Corning shingle repairs in Fresno run between $250 and $600 when the issue is localized: a damaged shingle course, a failed pipe boot, or a section of step flashing. Full roof replacement with Owens Corning Duration shingles on a typical 1,800-square-foot Fresno home generally falls between $9,500 and $15,000 depending on decking condition, tear-off work, and whether the city requires a structural evaluation. Underlayment replacement on low-slope sections adds $2 to $4 per square foot.
- Localized shingle or flashing repair: $250 to $600
- Underlayment replacement on low-slope sections: $2 to $4 per square foot
- Full Owens Corning Duration re-roof (1,800 sq ft): $9,500 to $15,000
Call (361) 320-9467 for an exact quote. Estimates are free, and the price you get on paper is the price you pay. No change orders at the door.
Serving Fresno, CA - Our Local Coverage Area
We’re based in the Fresno area and 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 Fresno
In Fresno’s climate, we typically see Owens Corning Duration shingles give homeowners roughly 18 to 22 years of service before granule loss and thermal cracking become visible on west- and south-facing slopes. That’s shorter than the manufacturer’s ideal-condition warranty because our summers push 100°F for weeks at a time and the asphalt oxidizes faster. The northern slopes often look years newer than the southern ones on the same roof. Call (361) 320-9467 and we’ll walk your roof and give you an honest read on what’s left.
Yes, in most pre-1980 Fresno neighborhoods including the Tower District and downtown, replacing original wood shakes with Owens Corning shingles triggers a City of Fresno building permit and often a structural evaluation because the dead load changes. We pull the permit and handle the inspection as part of the job.
Oakridge shingles can develop thermal cracking after 15 to 20 years of Fresno’s repeated 100°F cycles, particularly where attic ventilation is poor and heat builds up under the decking. The shingles don’t fail overnight. We see hairline cracks turn into visible separation over two or three summers. If you’re noticing brittle edges or granule in your gutters, call (361) 320-9467 for an inspection and a straight answer on repair versus replacement.
Most of the time, yes. If the leak is coming from failed step flashing, a damaged pipe boot, or a small number of cracked shingles, we can handle the Roof Repair - Fresno homeowners need with genuine Owens Corning materials. Where the whole field has oxidized from years of Fresno heat, we’ll tell you plainly that patching won’t hold, and we’ll back that up with a written quote so you can decide with numbers in front of you.
Yes. Owens Corning offers cool-roof color options within their Duration and Oakridge lines that meet California Title 24 cool roof requirements for Fresno’s climate zone. We’ll verify the specific color’s Solar Reflectance Index with your project before you commit. Call (361) 320-9467 and we’ll walk through which Owens Corning colors qualify and which don’t.
Service Areas Near Fresno
Brennan Roofing handles Owens Corning roofing work across Fresno and the surrounding central valley. We also serve homeowners who need Owens Corning service in Sacramento and Owens Corning service in Miami. If you’re outside the immediate Fresno area, call us and we’ll let you know if we cover your neighborhood.
Book Your Owens Corning Service in Fresno Today
Call (361) 320-9467 to schedule your free estimate. A live person answers. We’ll get you a written price before any work starts, and we’ll stand behind it for a full year, in writing, no fine print.
Written by Travis Oakley, Owner at Brennan Roofing, serving Fresno since 2000.






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