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We’re Penhallow Remodeling, an independent Owens Corning service provider and General Contractor in Fresno. Homeowners call us when their shingles are cooked, their valleys leak, or their roof deck has moved because the clay underneath it wouldn’t sit still. The one thing that separates our Owens Corning work here: we read the slab before we read the shingles. Fresno’s soil moves, and roofs here fail because of it. Call (936) 259-2607 for a free estimate on any Owens Corning roof repair or replacement.
Why Fresno Residents Choose Us for Owens Corning Service
We’ve installed, repaired, and stripped Owens Corning roofing systems across the San Joaquin Valley long enough to know how Duration shingles, WeatherLock membranes, and VentSure components actually behave under Fresno heat and clay-soil movement. As an independent contractor, we are not authorized, sponsored, or endorsed by Owens Corning. We simply know their products cold and install them to spec. Trevor Nash built this company around a plain rule: give the homeowner the whole picture first, then pick up the tools. That means when we look at your roof, we look at what’s under it too. For more on how we approach the brand, see our Owens Corning sales & service overview. If you’re in the wider area, our Fresno service area page covers where we work.
Every Owens Corning job we take in Fresno gets a written price before anything starts. Not a range, not a ballpark. A number you can hold us to. And every job carries the 365-Day Done Right Promise: if something fails within the year, we come back and fix it at no charge. Background-checked, uniformed technicians do the work. A live person answers the phone 24/7. Those aren’t extras. They’re how we run.
Common Owens Corning Construction Problems We Solve in Fresno
- Granule loss and embrittlement on south- and west-facing slopes. Fresno gets over 100 days a year above 90°F, with peaks past 110°F. Owens Corning Oakridge and Duration shingles on those exposures cook fast. The asphalt dries, granules drop into gutters by the handful, and the shingle surface turns brittle. We see it on nearly every roof older than 12 years in central Fresno.
- Racked roof planes over moving post-tensioned slabs. This is the north Fresno signature. As adobe clay heaves and shrinks under the slab, the whole wall and roof plane shift. Seams open at the ridge, shingles hinge and crack at the ridge line, and granule loss accelerates along those movement lines even when the shingle itself is still young.
- Tule fog moisture wicking under WeatherLock at eaves and valleys. December through February, dense fog sits against north-facing roof decks for weeks. If the original WeatherLock underlayment was lapped too short or nailed through in the wrong place, moisture creeps under and feeds fascia rot and deck rot. The shingles look fine from the street. The deck underneath isn’t.
- Poor attic ventilation cooking shingle undersides. Older central and Tower District homes often have original builder-grade Owens Corning installs with minimal intake ventilation. The attic hits 140°F in July, the shingle underside bakes, and the roof dies from the inside out. We fix it with properly sized VentSure ridge vents.
- Valley and ridge cap failure on 1990s – 2000s tract homes. When the slab dishes and the wall racks, valley intersections take the brunt. Ridge caps crack, valley flashing separates, and water finds its way in at the same hinge point every winter. Patch it, and the crack comes back. Fix the movement, and the roof stays dry.
Owens Corning Service in Fresno: What Local Conditions Mean for Your Roof
On north Fresno’s 2000s-era tract homes, Owens Corning shingle roofs over post-tensioned slabs routinely develop stair-step stucco cracks and racked roof planes that out-of-area roofers misread as simple settling. They replace shingles, patch nail pops, and the leak comes back. The driver is the adobe clay cycling under the slab, not the shingles. Fresno sits on the San Joaquin Valley’s expansive clay soils, which heave when wet and shrink when dry. A post-tensioned slab can dome or dish by enough to open roof seams and crack ridge caps. That means a roof assessment here has to include the slab and wall movement, not just the deck. We were called to a 2004 tract home in north Fresno where the homeowner had three different roofers patch nail pops and still had leaks near the valley. When we got on the deck, we found the post-tensioned slab had dished, the wall had racked, and the original Owens Corning Oakridge shingles were cooked on the west slope. We stripped to deck, replaced the damaged sheathing, re-lapped WeatherLock at the valleys, and installed Duration shingles with a properly sized VentSure ridge vent, then flagged the stucco stair-step cracking for a slab evaluation before the roof could move again. That’s the difference between fixing a symptom and fixing the cause.
Owens Corning Models & Products We Service in Fresno
We work on the full Owens Corning roofing lineup you’ll find on Fresno homes: Oakridge architectural asphalt shingles, Duration Premium and Duration Storm impact-resistant shingles, WeatherLock self-adhering ice-and-water underlayment, and VentSure ridge vents and attic ventilation components. When the existing system is still serviceable, we match Owens Corning shingles and WeatherLock underlayment exactly, because color and profile mismatches are visible from the street. Where a discontinued line can’t be sourced, we use quality aftermarket shingles that meet the same ASTM standards rather than leave a patched mismatch. On valley heat- and movement-damaged roofs, honest replacement usually beats repeated repair once granule loss and deck deflection show up together. We keep common Owens Corning profiles and WeatherLock rolls stocked for fast Fresno turnaround.
Owens Corning Service Pricing in Fresno
| Service | Typical Range |
|---|---|
| Roof Repair | $400 – $1,800 |
| Roof Replacement & Installation | $8,000 – $20,000 |
| Metal Roofing | $15,000 – $40,000 |
What drives the number up or down? Roof size, pitch, the number of valleys, whether the deck needs sheathing replacement, and whether we’re matching Owens Corning products or the slope needs a full tear-off. A flat roof with one valley on a newer north Fresno home may land near the bottom of the repair range. A 2,200-square-foot roof with three valleys, a dished slab, and rotted deck edges will run toward the top of the replacement range. The free estimate includes a written line-item quote, not a verbal range. Call (936) 259-2607 to schedule an inspection.
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 Construction in Fresno
Call a roofer who understands slab movement first. The stucco cracks are the visible symptom of the post-tensioned slab moving over adobe clay, and that same movement is what’s racking your roof plane. We inspect the roof deck, the valleys, and the ridge line to map where the movement is showing up, then tell you whether the fix is shingle replacement, deck repair, or a referral to a slab specialist before we touch the roof. Either way, don’t patch the shingles and ignore the wall. The problem will be back in two winters. Call (936) 259-2607 and we’ll walk the roof with you.
Expect 15 to 20 years on a properly ventilated roof, and 10 to 12 on a poorly ventilated one. Fresno’s Climate Zone 13 heat loads are brutal on asphalt. South- and west-facing slopes lose granules first. If the attic isn’t vented, the shingle underside cooks and the service life drops fast. With a properly sized VentSure ridge vent and full intake ventilation, an Oakridge roof here can reach the upper end of that range. Call (936) 259-2607 for an inspection and we’ll tell you honestly how much life your specific roof has left.
Yes, when the shingle line is still in production and we can source the exact color and profile. Oakridge and Duration are common enough that we can usually match them. Where the line is discontinued and a true match can’t be sourced, we use aftermarket shingles meeting the same ASTM standards and tell you plainly that the slope will read slightly different from the street. We won’t leave a patched mismatch and call it a repair. Call (936) 259-2607 to schedule a match check.
We install metal roofing systems and provide Fresno Bathroom Remodeling, including standing-seam profiles that perform well under Fresno’s heat and hold up against the valley’s UV loads. Metal roofing here runs $15,000 to $40,000 depending on square footage, seam type, and whether we’re removing the old shingle roof first. We also work with Owens Corning shingle systems, so the right answer depends on your roof’s slope, framing, and budget. Call (936) 259-2607 for a written quote on either option.
Because the slab moves. Older central Fresno homes sit on raised wood foundations or shallow footings that flex differently. The 2000s-era north Fresno tracts were built on post-tensioned slabs over expansive adobe clay. When that clay wets and dries, it heaves and shrinks, the slab domes or dishes, and the walls rack. That motion opens roof seams, cracks ridge caps, and causes granule loss along hinge lines that no shingle can survive. If you have a north Fresno tract home with a roof that’s failing early, get the slab movement checked before you replace the shingles. Call (936) 259-2607 for a roof-and-slab condition review.
Service Areas Near Fresno
We serve Fresno and the surrounding San Joaquin Valley communities. If you’re in Clovis, Madera, Sanger, Selma, or Kerman, our crews are nearby and familiar with the same clay-soil movement and heat loads. For Owens Corning work in the state capital, see Owens Corning service in Sacramento. For Florida’s coastal climate and its own roofing challenges, see Owens Corning service in Miami.
Book Your Owens Corning Service in Fresno Today
If your Owens Corning roof is losing granules, leaking at the valleys, or showing cracks along the ridge, don’t wait through another Tule fog season. Call (936) 259-2607 to schedule your free estimate. A live person answers. We’ll give you a written price before any work starts.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Fresno and the San Joaquin Valley.