Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
CertainTeed Roofing in Carson, CA | Mercer Roofing Co Torrance
We provide independent CertainTeed roofing service across Carson as our Roofing Company in Carson, from full replacements to targeted repairs. What makes our work here different is simple: we know how Carson’s 1950s and 60s tract homes behave when you put modern CertainTeed shingles on them, because we’ve done it hundreds of times. The framing, the decking, the way the afternoon sun hits a south-facing slope off Avalon Boulevard, it all matters. Call (424) 435-5428 for a free estimate and a written price before any work starts.

Why Carson Residents Choose Us for CertainTeed Service
Carson homeowners call us because we treat a CertainTeed roof as a system, not a stack of shingles, working with Certainteed specialists who understand the product. Our crews have pulled apart enough original wood shake and composition roofs here to recognize what’s underneath before we start: skip sheathing, dry-rotted decking, valleys that never drained right. Grant Whitlock, who runs Mercer Roofing Co Torrance, got his start reading roofs methodically through the construction technology program at Los Angeles Trade-Technical College. That training shows up in the way our estimates read. The number we quote is the number on the invoice. We’re not manufacturer-affiliated or authorized by CertainTeed, and we don’t pretend to be. We’re independent roofers who work with CertainTeed products because they hold up in this climate when installed correctly. Every technician who arrives at your Carson home is background-checked, wears a uniform, and presents a photo ID badge at the door. You’ll get their name and photo before they show up.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Carson
- Granule loss and bald spots on original Landmark shingles. Carson’s intense UV exposure runs hotter and longer than most of the LA basin. After 12 to 15 years we regularly see Landmark shingles that have given up so much granule that the fiberglass mat shows through. Water shedding drops off, and you’re one heavy winter away from a decking leak.
- Wind-uplifted shingle tabs along eaves and ridges. Santa Ana events hit Carson’s flatter, spread-out neighborhoods harder than people expect. Poorly sealed CertainTeed tabs, especially on homes near Dominguez Park where the wind funnels down the open corridors, lift and snap. Once a tab lifts, the next gust works it like a hinge until it tears free.
- Cracked and brittle ridge caps on older CertainTeed roofs. The plastic and composite ridge caps used on some 1990s CertainTeed installations don’t age well under decades of heat. We find ridge lines over Carson kitchens and garages where the cap has cracked at every nail point. Water gets in at the highest point of the roof and travels down.
- Valley metal corrosion and underlayment breakdown. Carson’s wet winters bring leaf debris from mature trees settling into roof valleys. On older CertainTeed installations the valley metal corrodes through, and the original felt underlayment crumbles. The leak often shows up far from the actual failure, which is why we trace water, not stains.
- Decking failure when replacing wood shake with CertainTeed shingles. Homes around Veterans Park built in the 1950s and 60s often have 1×6 skip sheathing under the old shake. Modern CertainTeed shingles require solid decking. We address this at the estimate stage so the number you get covers what code actually requires, not what a salesman hopes you’ll sign.
CertainTeed Service in Carson: What Local Conditions Mean for Your Equipment
Here’s something you won’t hear from a manufacturer’s brochure. Carson’s central neighborhoods, the streets around Veterans Park especially, still carry hundreds of original wood shake roofs from the Eisenhower and Kennedy years. When a homeowner decides to switch to CertainTeed shingles, the job often isn’t a simple tear-off. The original 1×6 skip sheathing under that shake was built for wood, not for modern asphalt shingles that need a solid nailing surface. Current code on a reroof in Carson requires that sheathing to be reinforced or fully replaced with plywood or OSB before CertainTeed Landmark or Presidential Shake goes down. This detail is less common in neighboring Torrance, where many older roofs were already re-decked in the 1980s and 90s. If a contractor gives you a CertainTeed replacement quote for a Carson home built before 1975 and it doesn’t include a decking line item, he’s either guessing or planning a change order. Our estimates include what we actually expect to find, because we’ve opened enough of these roofs to know. The roof is only doing its job when you never have to think about it. We write that into the estimate.
CertainTeed Models & Products We Service in Carson
Our crews work across the CertainTeed product lines most common in Carson: Landmark Series architectural shingles, the standard for most reroofs here; Presidential Shake luxury shingles on higher-end homes, especially in newer subdivisions off Central Avenue; Grand Manor heavyweight shingles where homeowners want the deepest shadow lines; and Highland Slate on custom builds. For repairs we source CertainTeed OEM shingles and accessories to match existing roofs and preserve what’s left of the original warranty where it still applies. When the decking or underlayment is shot, we’re straight about it: patching won’t restore the wind rating, and full replacement with a current CertainTeed line is the honest move. We also handle shingle replacement, roof decking replacement, and tile underlayment replacement for Carson homes that have concrete tile over failing felt. For full CertainTeed sales and service across the South Bay, that’s the work we do most weeks.
See the difference
Before
After
Before
After
Before
AfterCertainTeed Service Pricing in Carson
| Service | Typical Range (Carson) |
|---|---|
| CertainTeed shingle repair (patch) | $350 – $700 |
| Ridge cap replacement (per 20 ft) | $250 – $500 |
| Decking repair before reroof (per 4×8 sheet) | $75 – $110 |
| Full CertainTeed Landmark reroof (1,500 sq ft) | $9,500 – $14,000 |
| Full CertainTeed Presidential Shake reroof (1,500 sq ft) | $16,000 – $24,000 |
What drives the range is what’s under the shingles. A 1968 Carson ranch with rot in the decking costs more than a 2005 build with clean plywood. Your free estimate includes a written line-item breakdown, so you see the decking, the underlayment, the flashing, and the labor as separate numbers. No allowance games. Call (424) 435-5428 to schedule a free estimate and get a written price before any work starts.
Serving Carson, CA - Our Local Coverage Area
We’re based in the Carson 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 – CertainTeed Roofing in Carson
A Landmark roof in Carson can be repaired with our Roof Repair in Carson when the damage is isolated and the shingles are still flexible enough to accept a new nail without cracking. We cut out damaged tabs, clean the area, and install matching CertainTeed OEM shingles with the same exposure and nail pattern. What we won’t do is patch a roof where the underlayment is failing or the decking is soft, because the patch would fail and we’d be back. Call (424) 435-5428 and we’ll tell you honestly which situation you’re in.
Yes, when they’re installed with the full CertainTeed nailing pattern and proper starter strips. Presidential Shake is a heavyweight shingle with a thicker profile than Landmark, which gives it more resistance to wind uplift. The failure we see in Carson isn’t the shingle itself, it’s edge laps and ridge caps that were installed without enough nails. We install to the high-wind pattern as standard on every Carson roof, because Santa Ana gusts don’t send a warning first.
Almost certainly not at full value. CertainTeed’s warranties on shingles from the 1970s were typically 20 to 25 years, and that clock started on install day. After 50 years, even a “lifetime” warranty from that era has depreciated so heavily that the payout wouldn’t cover the cost of an inspection. The bigger issue is that the underlayment and decking under those shingles is almost certainly past service life. We’ll assess what’s salvageable and give you a straight answer. Call (424) 435-5428 for a free estimate.
Twelve years is early for Landmark to fail, but Carson’s sun sits on roofs longer and hotter than many parts of the county. If the shingles were from a lower-tier Lot in CertainTeed’s range, or if the roof doesn’t vent properly, granule loss accelerates. Poor attic ventilation is the silent killer. Hot air trapped against the decking bakes the shingles from below while the sun cooks them from above. When we inspect bald spots in Carson, we check the ridge and soffit vents before we quote any replacement.
We can match most current CertainTeed colors, including Weathered Wood, Moire Black, and Georgetown Gray, because we can source the exact same line and color from our supplier. On older roofs the color has faded, so a patch may be visible at first and blend over a season or two. We’ll bring samples to your Carson home and match as close as physically possible before we order. Call (424) 435-5428 and we’ll set up a time to look at the roof together.
Service Areas Near Carson
We serve Carson and the surrounding South Bay communities. If you’re in Torrance, Inglewood, Hawthorne, Florence-Graham, or Rancho Palos Verdes, our crews work those neighborhoods every week. For a full look at our Carson service area, that page covers the streets and ZIP codes we cover.
Book Your CertainTeed Service in Carson Today
We had a homeowner on Adele Street near Carson High School with a leak over the kitchen. The original 1962 wood shake had dry rot, so we stripped to the rafters, laid new 7/16 OSB decking, high-temp underlayment, and CertainTeed Landmark Pro in Weathered Wood. Two years on, it held through a winter Santa Ana event with zero lifted tabs. That’s the standard. Call (424) 435-5428 to schedule your free CertainTeed estimate in Carson. A live person answers, and you’ll get a written price before any work starts.
Written by Grant Whitlock, Owner at Mercer Roofing Co Torrance, serving Carson since 2000.