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CertainTeed Roofing in Montebello, CA | Spartan Roof Repair
We provide independent CertainTeed roofing service across Montebello and nearby areas like Pico Rivera CertainTeed service, from full tear-offs to targeted flashing repair. What makes our CertainTeed work here different comes down to one thing: we know the postwar housing stock in the 90640 and what decades of Santa Ana wind and inland heat do to these specific shingle lines. If you need a straight answer about your CertainTeed roof, call (855) 382-3237 for a free estimate.

Why Montebello Residents Choose Us for CertainTeed Service
CertainTeed shingles show up all over Montebello, but no two roofs here age the same way. A Landmark roof on a gable home in the hills east of downtown faces different stress than an XT three-tab on a low-pitch stucco ranch north of Whittier Blvd. We’ve spent years tearing off, repairing, and replacing these exact product lines in this city, and that local pattern recognition is the difference between a guess and a diagnosis.
Our owner, Brent Calloway, came up through the construction technology program at Orange Coast College and has worked roofs across the LA basin for over two decades. He’s the one who taught our crew to count layers before quoting on any Montebello home built before 1960, because what’s under the shingles usually matters more than what’s on top. Roofing specialists, not generalists. We inspect it, we repair it, we replace it. As an independent CertainTeed sales & service provider, we’re not tied to a manufacturer quota and we’re not a warranty arm. We just fix roofs correctly.
Brent puts it this way: “Your roof doesn’t need a speech. It needs a fix.” That’s the standard we work to on every Montebello job.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Montebello
These are the failure patterns we see most often on CertainTeed roofs in this city, and each one ties directly to local conditions or housing age:
- Thermal cracking and granule loss on older XT three-tab and early Landmark installs. Montebello’s hot, dry inland-adjacent summers bake the asphalt mat until shingles split along their tab lines. We see this constantly on original 1970s and 1980s CertainTeed applications in the 90640. Replace the cracked tabs, and the neighbors crack next summer. At a certain age, the whole field needs to come off.
- Santa Ana wind uplift on Landmark field shingles. When a Montebello Santa Ana event rips through in October, any Landmark roof that was installed with minimal nailing or without a proper starter course shows lifted tabs first at eaves and ridges. The wind gets under the shingle corner, and once one tab lifts, the next gust peels three more. We chase these after every big wind event in town.
- Seal-strip failure at hips and valleys. Brief winter rains may not look like much, but when the seal strips have broken down on a CertainTeed hip or valley, water wicks sideways under the shingle course. On 1950s stucco homes across Montebello, the first sign is usually a brown ceiling stain inside, not a missing shingle outside. The roof face can look fine while the underlayment is already compromised.
- Flashing and adhesive failures on low-pitch Flintlastic sections. A lot of Montebello’s original stucco ranches have flat or low-pitch sections, often where a patio or carport ties in. When the Flintlastic seams weren’t fully heat-welded, ponding during winter rains finds every gap. We re-flash and re-weld these sections regularly for homeowners who never realized the flat part of their roof was a separate system.
- Leaking vent boots and skylight curbs. Age plus sun exposure breaks down the rubber boot around plumbing vents. It’s one of the most common CertainTeed roof leaks we find in Montebello, and it’s almost always repairable without touching the shingle field itself.
CertainTeed Service in Montebello: What Local Conditions Mean for Your Equipment
Here’s the pattern that defines CertainTeed work in Montebello more than anything else: in the older tracts north of Whittier Blvd, thousands of homes still carry the original 1950s wood-shake roofs, but they weren’t torn off when the first asphalt roof went on. They were overlaid. Then, when that asphalt layer aged out, sometimes a second layer went on top. So when we walk up to a CertainTeed re-roof on those blocks, the first thing we do is count layers and check what’s underneath before we quote anything. A third layer isn’t code-legal, and the shake underneath is usually dried out and structurally shot. That means a true tear-off, deck inspection, and often sheathing replacement before the first new shingle goes down. It also affects Santa Ana wind performance: shingles fastened through two layers of old roofing can’t seat or seal the way they’re rated to, so even new CertainTeed Landmark installed over an old shake base won’t perform the way the manufacturer’s wind rating assumes. The fix is the strip-down to deck. No shortcuts.
On one block north of Whittier Blvd, we tore off a 1950s stucco ranch that had original wood shake plus two later layers of CertainTeed XT three-tab. Three roofs deep, and the bottom course of shake was dried to kindling. After stripping to the deck, we replaced the rotted sheathing, installed CertainTeed Landmark architectural shingles over new underlayment with fresh vent boots, and re-flashed the chimney. The homeowner got a code-legal single-layer roof that finally sheds the wind and winter-rain leaks the overlays had been hiding for years.
CertainTeed Models & Products We Service in Montebello
We work on the full range of CertainTeed product families that show up on Montebello roofs:
- CertainTeed Landmark architectural shingles – the dominant line in the 90640 today, on both original installs and replacements.
- CertainTeed XT 25 and XT 30 three-tab shingles – mostly aging out now, but still common on 1970s and 1980s homes across town.
- CertainTeed Presidential Shake (TL and Shangle) – heavier profile, found on larger custom homes and some infill builds.
- CertainTeed Flintlastic flat-roof membrane – for low-pitch sections, carport tie-ins, and patio covers on the original stucco homes.
When the product line is still current, we use genuine CertainTeed accessories: starter strips, hip-and-ridge cap, and matching field shingles. Where aftermarket underlayment or flashing simply performs better in Montebello’s sun and wind exposure, we say so and use it. What we stock locally is what lets us turn around common repairs fast: matching Landmark colors, starter course, ridge cap, vent boots, and roll flashing for the flat-roof tie-ins.
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AfterCertainTeed Service Pricing in Montebello
Pricing depends on what’s actually wrong and what’s underneath. Here’s what we typically see in Montebello:
- Flashing or vent boot repair: $300 – $650
- Targeted shingle replacement (a few cracked or wind-lifted tabs): $450 – $900
- Seal-strip and valley re-securing: $600 – $1,100
- Full CertainTeed Landmark tear-off and replacement: $11,000 – $19,000 depending on square footage, deck condition, and whether we’re removing multiple layers
- Deck sheathing replacement (where the old shake has rotted the deck): priced per sheet after we open it up
The single biggest cost driver in Montebello is what’s already on the roof. A clean single-layer tear-off is one price. A wood-shake base with two overlays is more labor, more dump fees, and usually some sheathing work. That’s why we inspect before we quote, not after. Call (855) 382-3237 to schedule a free estimate. You’ll get a written line-item scope, not a hand-wave number.
Serving Montebello, CA — Our Local Coverage Area
We’re based in the Montebello area and know this community well, including CertainTeed service in Monterey Park. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Roofing in Montebello
No, and here’s why. If there’s original wood shake underneath plus one or two existing shingle layers, adding another layer of CertainTeed is not code-legal and not smart. The shake below is typically dried out, and the deck underneath may already be compromised. The correct job is a full tear-off to the deck, sheathing repair where needed, then a new single-layer CertainTeed roof. Call (855) 382-3237 and we’ll count the layers and tell you exactly what you’re working with.
Installed correctly over a clean deck with proper starter course and nailing, Landmark handles Montebello’s wind events well. The failures we see trace back to original installs that cut corners: minimal nailing, skipped starter course, or shingles fastened over old layers that won’t seal. On a proper tear-off and re-install, the wind rating is real. The install quality is the variable, not usually the shingle.
Because the leak isn’t always where the shingle face shows damage. On Montebello’s older stucco homes, the usual culprits are broken seal strips at hips or valleys, failed vent boot rubber, or a low-pitch Flintlastic section that’s ponding. Water travels sideways under the shingle course, follows a truss, and shows up as a stain far from the source. Call (855) 382-3237 for an inspection; we chase the water path, not just the visible damage.
If the roof is otherwise sound and the cracking is localized, yes, a targeted repair makes sense. But on a 20-plus-year-old XT roof with widespread thermal cracking and granule loss, patching one tab today means patching three more next month. It’s a losing game. We’ll tell you which situation you have, and the estimate is free either way. Call (855) 382-3237.
Yes. A lot of Montebello’s original homes have flat-roof tie-ins at the carport, patio, or back addition, and those are often Flintlastic or built-up sections that fail independently of the shingle field. We handle both systems on the same job so the entire roof drains and seals as one unit. Repairs and replacements on the flat sections are part of the same scope and estimate.
Service Areas Near Montebello
We service Montebello and the surrounding communities, including Bellflower, La Habra, Norwalk, Paramount, La Habra Heights, and South Whittier. If you’re in one of those areas and need CertainTeed work, the same tear-off judgment and product knowledge applies. See our main Montebello service area page for full coverage details. For CertainTeed service farther out, we also cover CertainTeed service in Torrance and CertainTeed service in Bell.
Book Your CertainTeed Service in Montebello Today
If you’ve got a lifted Landmark tab, a ceiling stain after the last rain, or you know the shake is still under those shingles, call us. We’ll inspect it, count the layers, and give you a straight answer about what your CertainTeed roof actually needs. Call (855) 382-3237 for a free estimate.
Written by Brent Calloway, Owner at Spartan Roof Repair, serving Montebello and the surrounding area.