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CertainTeed Roofing in Ontario, CA | Ridge Cap Roof Repair
We provide independent CertainTeed roofing service across Ontario, from inspection and repair to full replacement. The thing that makes our CertainTeed work different here comes down to one local pattern we see constantly: intact 1980s concrete tile sitting on top of underlayment that’s already dead. If you live in Ontario’s east-side tract neighborhoods, the shingle or tile on top is rarely the first failure point. It’s what’s underneath. That changes the whole repair conversation, and it’s why we inspect before we recommend anything. Call (866) 361-0798 to schedule your free estimate.
Why Ontario Residents Choose Us for CertainTeed Service
We’ve spent years working on CertainTeed systems across Ontario’s tract belts, so we know how their shingles, underlayments, and accessory lines actually age in 100°F inland heat. Not how the brochure says they should. We read CertainTeed’s published installation specs closely because in this market, the warranty-relevant details are the fastener schedule and the underlayment, not the shingle name. Noel Cardenas, our owner, grew up patching flat roofs with his uncle over in Muscoy before he ever thought of it as a career. After San Bernardino Valley College’s construction trades program, he spent two decades working roofs across the Inland Empire. He’s the guy neighbors call when another crew has “repaired” a ridge cap three times and the leak keeps showing up in the same corner.
We carry OEM-compatible CertainTeed parts and stay with CertainTeed-branded materials where the assembly is a CertainTeed assembly. That means no mismatched ridge caps, no generic underlayment substitution. Seven manufacturers. One crew. We’re not locked into any single product line, which means when we recommend CertainTeed, it’s because the roof calls for it, not because we have a truckload to move. And because the same crew that inspects does the work, findings never get lost between teams. You can read more about how we approach CertainTeed sales & service, or see why homeowners across Ontario service area call us first.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Ontario
- Heat-driven granule loss and curled tabs on Landmark and Presidential fields. In Ontario’s older 91762 frame homes, original CertainTeed asphalt shingles from the 1990s have now survived 25+ summers of intense UV. The granule coating bakes off, tabs curl, and the shingle surface starts looking bald. But here’s the thing: the shingle outlives nothing if the felt underneath is baked. We check both before recommending anything.
- Failed underlayment beneath intact tile. This is the big one in Ontario’s 91761 and 91764 subdivisions. CertainTeed synthetic and felt underlayments beneath tile assemblies dry out, crack, and tear along fastener lines after decades of heat. The tile looks fine from the ground. The weather barrier beneath it is already gone. We do lift-and-relay work with new CertainTeed synthetic underlayment, keeping the original tile in service.
- Wind-lifted and creased tabs along hips, rakes, and ridge caps. Santa Ana events pour through the Cajon Pass and hammer Ontario’s rooflines. Staple-fastened or high-nail-position CertainTeed fields open up first along the edges, where wind pressure concentrates. The ridge cap takes the worst of it. If the ridge cap is failing, the rest of the roof is already telling you something. You just have to know where to look.
- Flashing and vent-boot interface failures. Older Ontario stucco homes have CertainTeed shingles woven against stucco walls or patio-addition tie-ins. When the flashing wasn’t layered right originally, water tracks behind the field instead of running off it. Ceiling stains show up in corners, far from the actual gap. We trace the path, not just the stain.
- Patio addition low-slope tie-ins with baked underlayment. Many Ontario homes have covered patios added decades ago, often with hot-mop or TPO low-slope sections. Where those tie into the main CertainTeed field, the underlayment takes a beating from ponding water and heat cycles. Flashing repair and proper tie-in work are where we spend a lot of our time on these older homes.
CertainTeed Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario’s east-side 1980s subdivisions are the rare local case where the CertainTeed-era tile field is still serviceable but the underlayment beneath it is the failing component. Walk down any street in the 91761 tract belt, and you’ll see the same roofs, the same tile profiles, the same original installation. The correct job on a leaking tile roof here is usually a lift-and-relay with new underlayment, not a tile replacement. One cracked underlayment on a street almost always means the same vintage on the houses on either side, because these tracts were built in synchronized phases. The original 30-year concrete tile is fine. The felt beneath it has dried and cracked from decades of 100°F summers. Add the Santa Ana wind corridor through the Cajon Pass, and Ontario becomes an underlayment and tile-fastener problem, not a shingle problem. That’s the insight you won’t find on a generic CertainTeed page.
We saw it play out on an east-side Ontario tract street in 91761 last spring. A homeowner called about a ceiling stain under what looked like perfectly good concrete tile. Our tech lifted a course, found the original felt underlayment cracked into brittle plates along the batten lines, and we did a lift-and-relay with new CertainTeed synthetic underlayment plus fresh tile fasteners instead of selling a full tile tear-off. Two doors down, the identical vintage showed the same dried felt. That’s the pattern we warn every neighbor about.
CertainTeed Models & Products We Service in Ontario
We work across the CertainTeed lineup that shows up in Ontario homes. Landmark architectural shingles on most 1990s and 2000s installations. Presidential Shake and Presidential Solaris on higher-end custom builds. XT 30 and XT 25 three-tab shingles on older 91762 core-neighborhood houses. DiamondDeck and RoofRunner synthetic underlayments beneath tile assemblies. When a repair calls for parts, we stay with CertainTeed-branded shingles and accessories where the assembly is a CertainTeed assembly. Mixing a different manufacturer’s ridge cap or underlayment into a field changes how the system performs and complicates any future claim. We stock common CertainTeed accessory components locally so Ontario turnaround doesn’t drag. The right material for your roof, matched to what’s already there.
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Serving Ontario, CA — Our Local Coverage Area
We’re based in the Ontario area and offer Roof Repair – Ontario locals trust, and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Roofing in Ontario
My 1980s east Ontario concrete tile roof leaks but the tiles look fine, do I need a new CertainTeed roof?
Usually not. The tile rarely fails first in Ontario’s 91761 and 91764 tract belts. What fails is the underlayment underneath, dried and cracked from decades of inland heat. The fix is a lift-and-relay, which means we remove the tile course by course, replace the underlayment with new CertainTeed synthetic, and relay the original tile with fresh fasteners. It’s roughly half the cost of a full tear-off and keeps the tile, which is still functioning, in place. Call (866) 361-0798 and we’ll inspect the underlayment directly before recommending anything.
Will CertainTeed honor a warranty if an independent roofer installs it?
CertainTeed’s material warranties apply when products are installed according to their published specifications, regardless of whether the installing contractor is factory-authorized. Ridge Cap Roof Repair is an independent service provider, not a CertainTeed-affiliated or authorized dealer. We follow their installation specs closely, including fastener schedules and underlayment requirements, because we know those details determine whether a future claim goes anywhere. For warranty specifics on a particular product line, we direct owners to the written manufacturer documentation before the job starts.
Why do CertainTeed shingles on my 91762 home lose granules so fast?
Granule loss accelerates with heat and UV exposure, and Ontario’s 91762 homes sit in some of the hottest summer conditions in the Inland Empire. A 1990s Landmark field has absorbed 25 to 30 summers of 100°F-plus sun. The asphalt layer dries, the granule bond weakens, and you start seeing bald spots and granules in the gutters after rain. Older XT 25 three-tab shingles age even faster. The real question is whether the underlayment beneath is still doing its job. If it’s baked too, you’re looking at replacement rather than patching. Call (866) 361-0798 and we’ll tell you which situation you’re actually in.
Does the Santa Ana wind through the Cajon Pass change how you fasten CertainTeed shingles in Ontario?
Yes. Ontario sits in a consistent high-wind corridor when Santa Anas push through the Cajon Pass. We fasten CertainTeed fields to their high-wind installation spec, which means more fasteners per shingle than the baseline requirement and correct nail placement. Shingles installed with staples or nails set too high open up first along hips, rakes, and ridge lines when the wind hits. That’s not a sales pitch. It’s what the failure pattern tells us every October.
Can you match my existing CertainTeed Landmark color when only part of the roof is replaced?
CertainTeed color lines stay in production for years, so matching a Landmark color on a partial replacement is often straightforward. We carry or can source the common Ontario colors quickly. On older roofs with sun fading, we’ll set expectations honestly about how visible the transition will be, then spec the closest current production color. Call (866) 361-0798 with the original install date or a leftover bundle label, and we’ll match from there.
Service Areas Near Ontario
We run CertainTeed service throughout Ontario and into the surrounding Inland Empire communities. If you’re near the 91764, 91798, 91758, or 91761 ZIPs, you’re in our regular coverage area. We also serve CertainTeed service in Lakeview, CertainTeed service in San Antonio Heights, plus San Bernardino, Colton, Muscoy, Loma Linda, Rialto, and Highland. Same crew, same inspection-first approach, wherever your roof is.
Book Your CertainTeed Service in Ontario Today
If you’ve got a leak, wind damage, or a tile roof that’s been baking for 30 years, let us look before you guess. Inspection first. Written estimate second. We’ll tell you if it’s a repair or a replacement, and we’ll show you why. Call (866) 361-0798 to schedule your free estimate. From the ridge cap down, we’ll look at the whole roof.
Written by Noel Cardenas, Owner at Ridge Cap Roof Repair, serving Ontario and the Inland Empire for over two decades.