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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 Ontario, CA | Tilecraft Roofing
We provide independent Owens Corning roofing inspection, repair, and full replacement across Ontario, CA. The thing that sets our Owens Corning work apart here is simple: we know how these shingles behave when Santa Ana winds funnel through the Cajon Pass and hit 1960s tract roofs at 60 to 80 miles per hour. Most roofing crews in the LA basin never deal with that specific failure pattern. We do, every fall. Call (833) 467-4846 to schedule an inspection.
Why Ontario Residents Choose Us for Owens Corning Service
We work with Owens Corning products week in and week out, so we do not need to figure anything out on your roof. Ruben Castellano grew up a few blocks from Hollydale Regional Park and learned roofing at East Los Angeles College before spending years on residential and commercial roofs across the Southeast LA corridor, including Upland Owens Corning service work. That background matters when you are looking at a wind-torn roof in Ontario, because you need someone who has seen this exact damage pattern before, not someone seeing it for the first time.
We carry seven major roofing brands, including Owens Corning, GAF, CertainTeed, IKO, Atlas, Tamko, and Boral. That means when we recommend an Owens Corning product, it is because we think it fits your roof, not because it is the only thing on our truck. We look before we quote. The roof either does its job or it doesn’t. Let’s make sure it does.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in Ontario
- Windward slope shingle loss on multi-layer roofs. Many Ontario ranch homes from the 1950s and 60s are on their second or third layer of Owens Corning 3-tab or early architectural shingles. Fasteners can barely hold in the old deck, so when Santa Ana gusts hit the north and west facing planes, field shingles peel off at the rake edge while the other side looks untouched.
- UV cracking and granule loss from Inland Empire heat. Ontario summers routinely top 100°F, and that sustained UV exposure dries out Owens Corning asphalt mats faster than coastal installs. We see granule loss, bare-mat blistering, and cracking that shortens the service life of an otherwise sound shingle.
- Ridge cap and hip shingle delamination on low-pitch hips. The low-pitch gable and hip roofs common in Ontario’s 91761 and 91764 neighborhoods put real stress on Owens Corning Hip & Ridge accessory shingles. They delaminate and blow off windward slopes first, and the pattern is easy to miss if you only stand in the backyard.
- Brittle old underlayment under shingle-over-shake tear-offs. A lot of Ontario’s original wood shake roofs were covered over with Owens Corning shingles decades ago. The old underlayment has baked brittle in the heat, and wind-driven grit lets shingles crease and slip at the fasteners.
- Soft decking discovered only after tear-off. By the time a 50-year-old Ontario roof comes off, the decking underneath often has rot or nail fatigue, especially where wind-driven rain got under lifted shingles. We replace bad decking before it becomes the next problem.
Owens Corning Service in Ontario: What Local Conditions Mean for Your Equipment
Here is the thing that makes Ontario different from almost anywhere else in Southern California. The Santa Ana winds that tear through the Cajon Pass do not hit every roof evenly. They slam the north and west facing planes of 1960s ranch homes first, peeling ridge caps and rake-edge shingles while the leeward side stays completely intact. We have walked roofs in the 91762 tract neighborhoods after a fall wind event where one slope looked like it had been through a hurricane and the other looked brand new. That asymmetry is the signature of Ontario wind damage, and it creates a documentation problem. A fair Owens Corning estimate here has to record wind-scour on those windward planes, because an insurance adjuster’s first pass typically undercounts it. They see the leeward side, snap a photo, and write a check for half the job. We document what they miss. After a fall Santa Ana event, our crew went out on a 1962 single-story ranch with original Owens Corning 3-tab over an old shake layer. The north slope had lost ridge caps and rake-edge shingles; the south slope was intact. We tore off both layers, replaced the soft decking, and re-roofed with Owens Corning Oakridge architectural shingles and new underlayment so the fasteners finally bit into solid wood. That is the repair-vs-replace call done right in Ontario.
Owens Corning Models & Products We Service in Ontario
We service the Owens Corning product lines actually found on Ontario roofs. That includes Supreme and Classic 3-tab shingles on original mid-century tract homes, Oakridge architectural shingles on 1980s and 90s re-roofs, and Duration and Duration Designer architectural shingles on newer infill and foothill-edge builds. We also work with Owens Corning underlayments and Hip & Ridge accessory systems on low-pitch gable and hip roofs. When we repair, we match the shingle by product line and pitch, not by whatever is closest on the shelf. We stock common Owens Corning profiles locally for faster Ontario turnaround, and for older or discontinued lines we source OEM-matching components rather than laying mismatched shingles onto an existing course. Part of what we do is Owens Corning sales & service across the full range of their residential lines.
See the difference
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AfterOwens Corning Service Pricing in Ontario
What an Owens Corning repair or replacement costs in Ontario depends on a few things: how many layers are on the deck, whether the decking underneath is still solid, and how much wind-scour the windward planes have taken. A targeted repair on a single slope costs far less than a full tear-off, but a third-layer roof with soft decking usually makes replacement the honest call. Here is a straightforward way to think about it:
- Minor repair (ridge cap, rake-edge shingles, a few field shingles): typically $350 – $800
- Moderate wind damage repair on one slope: typically $800 – $1,800
- Full tear-off and re-roof with Owens Corning architectural shingles: typically $12,000 – $22,000 depending on square footage, deck replacement, and pitch
Those are Ontario-level ranges from work we have actually bid. A free estimate includes a roof inspection, a written line-item quote, and an honest repair-vs-replace recommendation. Call (833) 467-4846 to schedule yours.
Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario area and know this community well, and we also offer Owens Corning repair in Montclair, Upland, and nearby communities. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Owens Corning Roofing in Ontario
Because the Santa Ana winds that come through the Cajon Pass hit the north and west facing planes of your roof first and hardest. The windward slope takes the full force of 60 to 80 mph gusts while the leeward side sits in a wind shadow. If only one side is damaged, that is a textbook Ontario wind pattern, and you should have the windward planes documented before an adjuster writes it off as wear and tear. Call (833) 467-4846 and we will walk the roof with you.
Sometimes, but not often. If the roof is on its first layer and the decking is still solid, a targeted repair makes sense. If you are on a second or third layer with original 3-tab from the 1960s, the fasteners have likely lost their bite, and patching a torn windward plane usually costs more per year of service than a full replacement. We give you that call straight, for the same reason we say repair when repair is right and replace when it’s not. Call (833) 467-4846 for an assessment.
Yes. We install Oakridge and Duration architectural shingles on low-pitch hip and gable roofs throughout Ontario’s 91761, 91762, and 91764 neighborhoods and provide Owens Corning service in Chino as well. We match the shingle profile to the pitch, and we use Owens Corning Hip & Ridge accessory shingles so the ridge line holds up to the same wind load as the field. We will show you the color options that actually get stocked in this market rather than a catalog page.
In most cases, yes, if the damage is confined to the windward slope and the decking underneath is still sound. We replace the torn shingles, resecure the rake edge, and re-seal the ridge cap. The question is whether the rest of the roof has enough life left to make that repair worth it. On a third-layer roof, the honest answer is usually no. Call (833) 467-4846 for a straight assessment and a line-item quote.
Photographs of both the windward and leeward slopes, ideally taken from the same angle on the same day, plus any dates of recent Santa Ana events from your neighborhood. Adjusters frequently undercount wind-scour on Ontario’s north and west facing planes because the leeward side looks fine by comparison. Having a roofing contractor document the asymmetry before the adjuster visits changes the outcome. Call (833) 467-4846 and we can help you put that documentation together.
Service Areas Near Ontario
We provide Owens Corning service across Ontario and the surrounding Inland Empire communities, including Santa Ana, Tustin, Orange, North Tustin, Garden Grove, and Fountain Valley. If you are in any of those areas, you are close enough for us to come out and take a look. You can also see our Ontario service area page for more detail, or visit Owens Corning service in Irwindale and Owens Corning service in West Rancho Dominguez if you are closer to those neighborhoods.
Book Your Owens Corning Service in Ontario Today
If your Owens Corning roof has wind damage, granule loss, or just age, we will come out and give you an honest assessment of what it needs, including San Antonio Heights Owens Corning service. No pressure, no replacement-first pitch. Call (833) 467-4846 to schedule your free estimate, and we will tell you what the roof actually needs.
Written by Ruben Castellano, Owner at Tilecraft Roofing, serving Ontario and the surrounding Inland Empire.