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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 Pomona, CA | Windmill Roof Repair
Owens Corning roofing service in Pomona means knowing how Duration and Oakridge shingles hold up when the Santa Ana winds come through the San Gabriel foothills. We repair and replace Owens Corning roofs across Pomona’s older bungalow neighborhoods and mid-century tracts, and the thing that separates our work here is what we find when we open up a 90-year-old roof, hidden decking problems most homeowners never see coming. Call (866) 850-2496 for a straight assessment from a crew that knows Pomona roofs down to the skip sheathing.
Why Pomona Residents Choose Us for Owens Corning Service
Ruben Ochoa grew up in Pico Rivera, trained through the construction technology program at East Los Angeles College, and has spent more than two decades working roofs across the San Gabriel Valley and southeast LA County. He’s the guy neighbors call for a second opinion because he’ll tell you what actually needs fixing and what can wait. When it comes to Owens Corning sales & service, we work across seven shingle brands, GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral, so our recommendation is driven by what your Pomona roof actually needs, not a preferred-vendor arrangement. That independence matters here, because Pomona’s housing stock demands honest scoping. A 1920s bungalow near downtown and a 1965 tract home east of the 57 have completely different roofing requirements, and we don’t pretend otherwise.
We’re an independent Owens Corning service provider. We’re not manufacturer-affiliated, not authorized, and not beholden to any single brand’s sales targets. That means when we tell you a targeted repair will do, we mean it. Repair when you can, replace when you must.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in Pomona
- Wind uplift on ridge caps and field shingles after Santa Ana events. The winds funnel down from the San Gabriels and hit north- and west-facing slopes hardest. We see Owens Corning shingles with broken sealant strips that lift at the ridge and valleys, especially on the hillside-adjacent homes in north Pomona. Each repair has to account for the next wind event, not just patch the last one.
- UV-driven granule loss and curling on south- and west-facing shingles. Pomona’s inland summer sun cooks asphalt shingles faster than coastal cities or even Claremont, which sits slightly higher and cooler. Owens Corning Oakridge shingles can show curling and granule loss well before their rated lifespan when they face that relentless western exposure.
- Underlayment failure beneath tile roofs. When Owens Corning WeatherGuard HP has aged out under concrete tile, leaks don’t show up until the winter rains arrive. By then, the water has already been working through the decking for months. We trace those leaks back to the source, not just the stain on the ceiling.
- Hidden decking and skip sheathing on older Pomona homes. The north-side bungalows and Craftsman-era houses in 91766 and 91767 often have original skip sheathing under layers of old roofing. An Owens Corning tear-off that looks routine from the ground turns into a decking replacement once we open it up.
- Valley and hip leaks from wind-driven rain. The mountain proximity means some Pomona pockets get wind-driven rain that lower-valley cities don’t. Valleys and hips take the brunt, and we regularly find worn flashing and failed sealant at these transition points on Owens Corning roofs.
Owens Corning Service in Pomona: What Local Conditions Mean for Your Roof
Here’s what Pomona’s older housing stock means for Owens Corning owners specifically. The north-side bungalows and hillside-adjacent homes, especially around the older neighborhoods near downtown, often still have the original 90-year-old skip sheathing under old wood shakes. When we tear off an Owens Corning shingle roof on these houses, what looked like a straightforward shingle replacement from the ground frequently becomes a full decking and framing job. We find dry-rotted fascia hidden behind the first layer, deck boards with more cracks than solid wood, and framing that’s been quietly holding water for decades. This condition doesn’t exist in the newer tract homes of Owens Corning service in Claremont or Chino, where the houses went up after solid plywood decking became standard. If you own an older Pomona home and your Owens Corning roof is nearing the end of its service life, budget for the possibility of redecking. It’s the difference between a quote that surprises you and a quote that prepares you.
On a 1920s bungalow near downtown Pomona, we were called for a leak after a Santa Ana wind event. The homeowner had Owens Corning Oakridge shingles lifting at the ridge and valleys. When we tore off the damaged shingles, we found the original skip sheathing was dry-rotted and the fascia was soft. We replaced the decking with solid plywood, installed new Owens Corning WeatherGuard HP underlayment, and finished with Duration shingles in a wind-rated nailing pattern, solving both the leak and the underlying deck issues.
Owens Corning Models & Products We Service in Pomona
We repair, inspect, and replace across the Owens Corning lineup you’re most likely to find on Pomona roofs. Oakridge is the workhorse we see on mid-century tract homes east and south of downtown. Duration, with its SureNail strip, shows up on newer replacements and performs well against the wind uplift we get here. Supreme appears on budget-conscious installations. We also install WeatherGuard HP underlayment beneath tile and shingle roofs, which matters when Pomona’s winter rains finally arrive after months of dry heat.
When parts are needed, we use genuine Owens Corning shingles and underlayments to keep warranty compliance intact. For flashing and ventilation components, we source high-quality aftermarket options that meet or exceed OEM specs without the markup. Seven brands, one crew, and the right material for your roof, not ours.
See the difference
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AfterOwens Corning Service Pricing in Pomona
What does Owens Corning roofing service cost in Pomona? Here’s what we can tell you straight. Minor shingle repairs and sealant fixes typically run lower than full replacements. Tear-offs on the older bungalows with skip sheathing cost more than overlays on newer tract homes because of the decking work involved. A full Owens Corning Duration replacement on a mid-century Pomona home will land differently than the same job on a 1920s Craftsman with hidden framing issues.
Every quote we give is a written line-item estimate. You’ll see exactly what you’re paying for, including decking, underlayment, shingles, flashing, and disposal. No vague allowances, no change orders that appear after the tear-off. Call (866) 850-2496 to schedule a free estimate. We’ll walk the roof with you if you want, show you what we’re seeing, and let you decide.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona area and know this community well. Use the map below to see our service coverage — if you’re nearby, including Owens Corning in Covina, we can almost certainly help.
FAQs – Owens Corning Roofing in Pomona
Santa Ana winds in Pomona create uplift pressure that breaks the sealant strips on shingles, especially on north- and west-facing slopes where the wind hits directly. Owens Corning shingles with a compromised seal can lift at the ridge and valleys, letting wind-driven rain underneath. The fix is often a targeted repair with proper nailing, but we always check the surrounding shingles for hidden seal failures before calling it done. If your roof took a wind hit, call (866) 850-2496 for an inspection.
We don’t recommend it, and on older Pomona homes it’s usually a bad idea. Wood shake roofs often hide skip sheathing and dry-rotted decking underneath. Laying new Owens Corning shingles over that means you’re putting a good roof on a failing foundation. A full tear-off lets us inspect the decking, replace what’s compromised, and install WeatherGuard HP underlayment before the shingles go down. We’ll always show you what we find before we proceed.
For Pomona’s UV-heavy summers, Owens Corning Duration is our go-to recommendation. The SureNail strip provides stronger wind resistance, and the shingle’s construction holds up better to prolonged sun exposure than entry-level lines like Supreme. That said, the right shingle depends on your roof’s pitch, orientation, and whether your home sits in a wind-exposed pocket near the foothills. We’ll match the product to your actual conditions, not a sales script.
Yes. When tile roofs leak in Pomona, the problem is almost always the underlayment, not the tile itself. We lift the tile, remove the failed material, and install Owens Corning WeatherGuard HP underlayment before resetting the tile. This is a targeted repair, not a full replacement, and it’s often all the roof needs. Call (866) 850-2496 and we’ll trace the leak before recommending anything.
Yes, decking replacement is a standard part of our tear-off work in Pomona. On older bungalows with skip sheathing or dry-rotted plywood, we replace the compromised sections before installing new underlayment and shingles. We’ll document everything we find with photos and show you what’s being replaced and why. You’ll see it before you sign anything.
Service Areas Near Pomona
We provide Owens Corning roofing service across Pomona and the surrounding communities. You’ll find us working in Pomona service area neighborhoods like Westmont, Phillips Ranch, and Lincoln Park. We also cover Owens Corning service in West Puente Valley, Owens Corning service in Pico Rivera, La Verne, San Dimas, and Walnut. If you’re within a short drive of Pomona, we’ll come out.
Book Your Owens Corning Service in Pomona Today
Ruben and the Windmill crew know what Pomona roofs deal with, the wind, the sun, the old decking. If your Owens Corning roof needs attention, call (866) 850-2496 for a free estimate. See it before you sign anything.
Written by Ruben Ochoa, Owner at Windmill Roof Repair, serving Pomona and the San Gabriel Valley.