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Owens Corning Construction in Ontario, CA | Workshop Contractors
We provide independent Owens Corning roofing installation and repair across Ontario, from the mid-century tract homes south of Holt Boulevard to the stucco-and-tile subdivisions on the north and east sides. What makes our Owens Corning work here different is that we build assemblies around what Ontario’s soil actually does to a roof deck, not around a manufacturer program. If you’re pricing an Owens Corning roof in Ontario, call (844) 384-3361 for a free estimate. We’ll tell you whether your deck is ready for shingles before we quote the shingles.
Why Ontario Residents Choose Us for Owens Corning Service
Owens Corning makes a good shingle, but a shingle is only as good as the deck under it and the hand that lays it. Noel Figueroa grew up in the Vineyard neighborhood of Ontario, where half the houses on his street were built by the same generation of tradesmen who later handed him his first framing hammer. He learned the construction fundamentals at Chaffey College and has spent the decades since working across the Inland Empire. That background matters when we walk an Ontario roof, because we’re reading the framing and the flashing at the same time we’re reading the shingle condition. We use genuine Owens Corning materials, underlayment, and accessory components through our Owens Corning services, and we install them as an independent contractor, not a manufacturer program. One contract, one crew, no finger-pointing when a fascia board turns out to be heaving from clay movement. That’s the reason Ontario homeowners keep our number.
Styles & brands we work with







Common Owens Corning Construction Problems We Solve in Ontario
- Sealant strip failure from Ontario heat. Ontario summers routinely top 100°F, and an unshaded south- or west-facing slope can bake the sealant on Oakridge and Duration shingles until it lets go. Then the first Santa Ana wind in October lifts tabs like a deck of cards. We re-seal where the shingle is still sound and re-roof the slope where it isn’t.
- Deck failure on post-war tract homes south of Holt Blvd. Many of those 1940s-to-1970s roofs have shallow pitch over aged felt and skip-sheathing. The shingle looks tired early, but the real problem is below it. We inspect the deck before we quote, because shingles over a failing deck is money thrown at a symptom.
- Wind-scoured ridge and rake edges on north and east Ontario. In the 1990s – 2000s tile-and-shingle planned communities, exposed rake shingles take the full gust load off the foothills. Those edge shingles crack at the sealant line long before the field wears. We replace them as a wind-rated edge detail, not just a shingle swap.
- Undersized attic ventilation on slab homes. Many mid-century Ontario homes have one gable vent and a prayer. That cooks Owens Corning shingles from underneath, accelerating mat cracking and backing fasteners out of the deck. We size ridge and eave ventilation to the slope before we nail anything down.
- Tile-to-shingle transitions leaking at the joint. On Ontario’s mixed roof lines, where tile eaves meet shingle fields, the transition flashing often fails first. We rebuild those transitions with proper metal and Owens Corning underlayment so the two roof types stop fighting each other.
Owens Corning Service in Ontario: What Local Conditions Mean for Your Roof
Ontario’s older central and south neighborhoods sit on expansive clay with post-war slab-on-grade foundations and shallow footings. That’s not a foundation problem that happens to live near the roof. It is the roof problem. When clay shifts, the slab moves, the wall plates move, and the roof edge moves with them. So a re-roof south of Holt Boulevard routinely exposes cracked slabs, heaved fascia, and eave lines that are out of plane by half an inch or more. You cannot lay an Owens Corning architectural shingle system over a moving deck and expect the wind warranty to hold. We correct the framing and re-set the underlayment before shingles go on. The 1990s – 2000s stucco-and-tile subdivisions on the north and east sides of Ontario simply don’t have this condition. Their decks sit on reinforced post-tension slabs with far less differential movement. Treating both sides of Ontario as one roof market is how you get a five-figure re-roof that fails at the ridge in three years. We treat them as two roof markets because they are.
Owens Corning Models & Products We Service in Ontario
We install and repair the full Owens Corning shingle lineup: Oakridge and Oakridge Pro Series architectural shingles, Duration and Duration Designer, Supreme and WeatherGuard 3-Tab for period-correct replacements on older Ontario tract homes, and the Platinum Series with Duration FLEX for wind-rated assemblies on ridge-exposed lots. We stock genuine Owens Corning underlayment, ridge caps, and starter strips locally so our Ontario turnaround stays short. When a repair will hold, we say so, and we use OEM components because aftermarket strips and caps don’t carry the same wind and algae warranty. When a partial slope needs to match an existing Owens Corning shingle that’s been on the roof for twelve years, we talk honestly about color drift and lot variation before anyone buys material.
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AfterOwens Corning Service Pricing in Ontario
What you pay depends on three things: the size and pitch of the roof, the condition of the deck underneath, and whether you’re repairing or tearing off. Here are the ranges we work within across Ontario:
| Service | Ontario Price Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Tile Roof Repair | $600 – $2,500 |
| Metal Roof Installation | $15,000 – $40,000 |
A free estimate from us includes the deck inspection, the ventilation assessment, and a written line-item quote. We don’t quote shingles over a deck we haven’t looked at. Call (844) 384-3361 to schedule yours.
Serving Ontario, CA — Our Local Coverage Area
We’re our General Contractor in Ontario 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 Ontario
Usually, yes, if the damage is limited to lifted tabs and cracked rake shingles on an otherwise sound deck. After a Santa Ana event in Ontario, we inspect the full slope, re-seal or replace damaged shingles with matching Owens Corning product, and reinforce the rake edge detail. If the deck has shifted or the underlayment is shot, a repair won’t outlast the next wind season, and we’ll tell you that. Call (844) 384-3361 for an exact assessment – estimates are free.
No. We’re an independent general contractor in Ontario who installs and repairs Owens Corning roofing systems, including Owens Corning service in Chino, using genuine Owens Corning materials. We choose the assembly that fits each roof deck, and we’re not bound to any manufacturer’s installation program. That independence is the point.
Yes. We use genuine Owens Corning shingles, underlayment, and accessory components so your system’s wind and algae warranties stay intact. We also tell owners honestly when a repair, flashing, venting, or a partial slope, will outlast the roof, and when a full tear-off is the only answer.
We install and service Oakridge, Oakridge Pro Series, Duration, Duration Designer, Supreme, WeatherGuard 3-Tab, and Platinum Series with Duration FLEX. For older Ontario tract homes with period-correct three-tab roofs, we carry WeatherGuard and Supreme to match the original profile.
Most repairs in Ontario run $400 to $1,800 depending on slope pitch, deck condition, and how many shingles the wind got. Tile roof repair runs $600 to $2,500. The exact quote depends on what we find under the shingle. Call (844) 384-3361 to schedule a free estimate and we’ll give you a written number.
Service Areas Near Ontario
We serve Ontario and the surrounding Inland Empire cities. You’ll also find our Owens Corning crews in Woodcrest, Buena Park, and Anaheim, plus Owens Corning service in Upland for foothill homes that deal with the same Santa Ana wind loads. We also run Owens Corning service in Montclair for post-war tract homes with the same clay-soil deck conditions we see south of Holt Blvd. For the full list, see our Ontario service area page.
Book Your Owens Corning Service in Ontario Today
If your Owens Corning roof is showing its age, losing shingles to Santa Ana wind, or leaking at the ridge, call (844) 384-3361 today. We’ll inspect the deck, tell you honestly what needs fixing, and quote you a written number. Free estimates across Ontario.
Written by Noel Figueroa, Owner at Workshop Contractors, serving Ontario since his first framing hammer in Vineyard. Build it right the first time. The second time costs twice as much and nobody’s happy about it.