Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Owens Corning Construction in Montclair, CA | Sycamore Contractors
If you own a 1950s or 1960s stucco home in Montclair, there’s a good chance your Owens Corning roof is nearing the end of its service life, and the inland heat hasn’t been kind to it. We install, repair, and replace Owens Corning roofing systems across Montclair every week, with a focus on the post-war tract housing and older commercial frontage that dominate this city, and we also provide Owens Corning in Claremont for nearby homeowners. As an independent contractor, we work with Owens Corning materials daily but are not authorized, sponsored, or endorsed by the manufacturer.
For a free estimate on Owens Corning roof repair or replacement in Montclair, call (877) 265-6284. We’ll inspect the roof, tell you straight what’s holding up and what isn’t, and give you a written line-item quote before any work starts.
Why Montclair Residents Choose Us for Owens Corning Service
Most roofing crews in Montclair will slap any shingle on your deck and call it done. We take a different approach. We know Owens Corning product lines well enough to spot the difference between Oakridge and TruDefinition Duration at a glance, and we know which one makes sense on a low-pitch 1958 tract roof versus a newer addition. Nate Calloway, our owner, has spent two decades running crews across Southern California, and he’s the kind of contractor who will tell you when a repair is honest money and when a 40-year-old roof needs to come off to bare deck.
We stock Owens Corning accessory components – starter strips, ridge caps, underlayment – so we aren’t mixing brands on your roof. The shingle system goes on the way Owens Corning specifies it, because we’ve seen what happens when a crew cuts that corner. Around here, the Santa Anas find it within two seasons.
We’re also one of the few general contractors in the area who handle Owens Corning sales & service alongside full exterior scopes – roofing, stucco repair, dry-rot remediation, and ventilation work. One crew, one accountable team.
Styles & brands we work with







Common Owens Corning Construction Problems We Solve in Montclair
- Wind-lifted and creased shingle tabs on west and north slopes. Santa Ana events hit Montclair harder than people expect, especially on the older low-pitch roofs where the original deck and nailing pattern were never upgraded. We see creased Oakridge and Supreme tabs along west elevations all the time. The fix is targeted replacement, but if the nailing pattern is wrong across the roof, we’ll tell you that too.
- Granule loss and surface erosion from decades of dry inland heat. Montclair summers are brutal on asphalt shingles. We inspect roofs where the granules are nearly stripped bare and the shingles crack underfoot. By that point, the roof is past repair – you’re looking at replacement.
- Seal-strip failure and blow-off from undersized attic ventilation. These tightly built single-story stucco homes hold heat in the attic, cooking the roof deck from below. Seal strips fail, shingles lift, and the next wind event takes them. We often add ventilation when we re-roof – it’s the difference between a roof that lasts 15 years and one that lasts 30.
- Deck rot and flashing leaks at carport-to-house transitions and stucco wall ties. Montclair’s original galvanized flashing is rusted through on a lot of these homes. Winter rain finds the gap, and the deck rots from the top down. We rebuild those transitions properly when we replace the roof.
- Flat and low-pitch roof failures on Holt Blvd commercial frontage. The older commercial strip along Holt and Central has flat and low-slope sections that don’t shed water well. We handle Owens Corning low-slope systems and tie-ins where the flat roof meets the pitched shingle sections.
Owens Corning Service in Montclair: What Local Conditions Mean for Your Equipment
Here’s something most roofing pages won’t tell you about Montclair: this city is fully built out, with almost no vacant parcels left. That means when you pull a permit for a re-roof on a small 1950s lot, it rarely stands alone. It’s usually reviewed alongside an active addition, garage conversion, or ADU permit, because most construction in Montclair happens at the lot line. The roof-plane tie-ins on those additions are where we see the most problems – a new Owens Corning roof on the original house, but a bad transition where the addition’s roof plane meets it. We handle that tie-in correctly the first time, flashing it so water doesn’t find the seam. On a 1958 single-story stucco home near Holt Blvd and Central Ave, Santa Ana winds had creased and lifted a run of Owens Corning Oakridge tabs along the west elevation, and our inspection found the original low-pitch carport transition flashing rusted through. We did a targeted repair – replaced the lifted field shingles, rebuilt the transition flashing and resealed the penetrations – and recommended budgeting a full tear-off to bare deck within a few years given the roof’s age. That’s the kind of honest assessment you get from a crew that knows this housing stock.
Owens Corning Models & Products We Service in Montclair
We install and repair the full Owens Corning residential line: Oakridge, TruDefinition Duration, the Duration Designer Colors Collection, and Supreme, with Owens Corning service in Ontario available as well. For Montclair’s climate, TruDefinition Duration is usually our first recommendation – the SureNail strip holds better in wind events, and the heavier mat handles the heat load better than thinner shingles. But on a tight budget for a rental property, Oakridge is a solid mid-tier option. We use Owens Corning starter strips, ridge caps, and underlayment as a matched system rather than mixing brands. OEM-compatible accessories perform better and keep the manufacturer’s material warranty intact. Since we stock these components locally, we can usually turn around a Montclair repair faster than a crew ordering parts from out of town.
See the difference
Before
After
Before
After
Before
AfterOwens Corning Service Pricing in Montclair
Roof work in Montclair prices out similarly to the rest of the Pomona Valley, with a few local variables: single-story access is easier and cheaper than two-story, but a 1950s roof with two layers of old shingles costs more to tear off. Here’s what we typically see:
| Service | Typical Range |
|---|---|
| Roof Repair | $400 – $1,800 |
| Roof Replacement | $8,000 – $20,000 |
| Metal Roof Installation | $15,000 – $40,000 |
| Tile Roof Repair | $600 – $2,500 |
Every estimate is free and written line-item, so you see exactly what you’re paying for before you sign anything. Call (877) 265-6284 to schedule yours.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair 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 Montclair
A full tear-off is almost always the right call on Montclair’s 1950s-70s homes. The original deck sheathing is often thin or water-damaged, and adding a second layer of shingles on top hides problems rather than fixing them. We’ll inspect and give you a straight answer. Call (877) 265-6284 for a free inspection.
Yes, Montclair requires a building permit for a full re-roof, and since the city is fully built out, your re-roof permit will likely be reviewed alongside any active addition or ADU permit. We handle that coordination as part of the job.
TruDefinition Duration is our top recommendation for Montclair. The SureNail strip grips better in wind events, and the heavier mat resists heat better than Supreme or Oakridge. For budget-conscious rentals, Oakridge is a reasonable mid-tier option.
We start with a full damage assessment, then do targeted repairs where the roof is sound and a tear-off only where it isn’t. After a Santa Ana event in Montclair, we typically see lifted tabs on west and north slopes, and we’ll give you a written quote for either path. Call (877) 265-6284 as soon as you notice damage.
Most small single-story Montclair homes fall between $8,000 and $20,000 for a full tear-off and Owens Corning re-roof, depending on the roof size, pitch, and deck condition. Your free estimate will break that down line by line. Call (877) 265-6284 for an exact number.
Service Areas Near Montclair
Our crews work throughout the Pomona Valley and inland Southern California. In addition to Montclair, we regularly handle Owens Corning roofing jobs in Temecula, Murrieta, Murrieta Hot Springs, Wildomar, and Fallbrook. If you’re in Montclair and need service, call us first. For coverage further west, see Montclair service area. For neighboring communities, we provide Owens Corning service in Midway City and Owens Corning service in Fullerton as well.
Book Your Owens Corning Service in Montclair Today
Don’t wait for the next Santa Ana to find out your roof has a problem. Call (877) 265-6284 today to schedule a free Owens Corning roof inspection and estimate in Montclair. We’ll tell you what’s wrong, what it costs to fix, and whether repair or replacement is the right money.
Written by Nate Calloway, Owner at Sycamore Contractors, serving Montclair and the Pomona Valley since 2004.