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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
CertainTeed Roofing in Lennox, CA | Ridge Cap Roof Repair
We’re an independent roofing crew that services CertainTeed roofs across Lennox every week. If you need a CertainTeed flat-roof patch, flashing repair, or full replacement on a mid-century bungalow or fourplex, we handle it from inspection to final cleanup. What sets our CertainTeed work apart in Lennox specifically: we know the layered tar-and-gravel-over-rolled-roofing history of this housing stock, and we plan for the alley-staging constraints before we ever open the roof. Call (866) 361-0798 for a free estimate.
Why Lennox Residents Choose Us for CertainTeed Service
We work on CertainTeed Landmark, XT 25, XT 30, and Flintlastic SA systems often enough to know where they fail in Lennox’s specific conditions, and we offer Roof Repair in Lennox that addresses those local failure points directly. Noel Cardenas, our owner, grew up patching flat roofs alongside his uncle in the Muscoy neighborhood of San Bernardino, then went through the construction trades program at San Bernardino Valley College. He’s spent over two decades on roofs across the Inland Empire and South Bay, and he’s the guy neighbors call when another crew has “repaired” the same ridge cap three times and the stain is still spreading in the corner. That experience translates directly to Lennox: we read the roof before we quote the work.
We’re an independent CertainTeed service provider. No manufacturer authorization, no dealer program pushing a particular product line. That matters because we recommend the CertainTeed product that actually fits your deck and slope, not whatever a distribution agreement tells us to move. From the CertainTeed sales & service spectrum we cover, that means honest calls: repair when it makes sense. Replace when it doesn’t.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Lennox
- Layered rolled roofing trapping moisture over original tar-and-gravel. Most Lennox bungalows and fourplexes built in the 1940s through 1960s still carry their original built-up tar-and-gravel roof under one or two later layers of rolled roofing. When a CertainTeed membrane gets patched on top without reading what’s underneath, trapped moisture blisters the new cap sheet within a season or two. We strip back enough to see the layers before we patch.
- Sun-baked low-slope membranes cracking at seams and edge metal. Lennox sits in the South Bay coastal plain with intense summer UV. CertainTeed low-slope membranes and granular cap sheets here age from sun exposure, not snow or freeze cycles. We regularly see seam splits and edge-metal separation where the membrane dried out and lost flexibility.
- Santa Ana wind lifting ridge caps and rake-edge shingles before field shingles show wear. On exposed alleys and front-facing gables in Lennox, wind events hit shallow-pitch planes hard. Ridge caps, rake edges, and vent boots fail first. If the ridge cap is failing, the rest of the roof is already telling you something. You just have to know where to look.
- Wall-to-roof and alley-side flashing failures on tight-lot stucco bungalows. Many Lennox homes have rolled roofing tucked into stucco walls without proper counterflashing. Wind-driven rain backs up under the CertainTeed membrane at those transitions. This is a flashing problem first, a membrane problem second.
- Deck saturation from repeated overlays. Three generations of rolled roofing over the original tar-and-gravel hides water damage until the deck is soft. By the time you see a ceiling stain in Lennox, the sheathing near the alley-side wall has often been wet for months.
CertainTeed Service in Lennox: What Local Conditions Mean for Your Roof
Lennox is a small, densely packed unincorporated island of LA County surrounded by Inglewood CertainTeed service territory and Hawthorne. Almost every roof here is a shallow-pitch, low-slope surface, and because side-yard setbacks along streets like Lennox Boulevard are too tight for a dumpster, we stage tear-off debris in the alley or driveway instead. That’s not a minor scheduling detail. It changes how we sequence the job, how we price disposal volume, and how early we plan the material runs. On a mid-century stucco bungalow off Lennox Boulevard, our crew opened a leak call expecting a straightforward flat-roof patch and instead found three generations of rolled roofing over the original tar-and-gravel, with the bottom layer saturated and the deck soft near the alley-side wall. We staged the tear-off in the driveway because the side yard couldn’t take a dumpster, stripped back to sound sheathing, redecked the soft section, and installed a CertainTeed Flintlastic SA membrane with new counterflashing at the wall. The ceiling stayed dry through the next Santa Ana wind and rain.
There’s another wrinkle most out-of-area crews don’t know until they show up: Lennox is unincorporated. Permits go through LA County’s Building & Safety, not a city hall. We’re familiar with that process, which keeps inspections from stalling a project that’s already dealing with tight access.
CertainTeed Models & Products We Service in Lennox
We service the CertainTeed lines most common on Lennox roofs. That includes Landmark architectural shingles for the few steeper planes in the area, XT 25 and XT 30 three-tab shingles on older patios and additions, Flintlastic SA self-adhered modified bitumen for low-slope and flat sections, and WinterGuard waterproofing underlayment at eaves, valleys, and wall transitions. When the assembly spec calls for it, we use genuine CertainTeed shingles, underlayment, and accessories. Where flashing, fasteners, or edge metal are concerned, we’ll use name-brand aftermarket parts when they meet or beat the OEM spec. We stock common CertainTeed repair materials locally so Lennox flat-roof patches and flashing fixes don’t wait on a warehouse order.
See the difference
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AfterCertainTeed Service Pricing in Lennox
Flat-roof patch work on Lennox low-slope roofs typically starts around $350 to $800, depending on how many layers need to come up and whether flashing is involved. Flashing repair at wall-to-roof transitions runs $400 to $1,200, with counterflashing work on stucco adding time and care. Full tear-off and replacement with a CertainTeed Flintlastic SA membrane on a typical 900-square-foot fourplex roof in Lennox usually lands between $8,000 and $14,000, driven by tear-off depth, disposal volume, and deck condition. Steeper shingle replacements with Landmark run $7 to $11 per square foot installed. Every estimate is free and line-itemed. Call (866) 361-0798 and we’ll get you exact numbers for your roof.
Serving Lennox, CA — Our Local Coverage Area
We’re based in the Lennox 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 Lennox
Because the patch was likely applied over layered rolled roofing that’s already holding moisture underneath. In Lennox, most low-slope roofs carry the original tar-and-gravel under one or two later rolled layers, and unless the patch crew read those layers first, the new CertainTeed membrane blisters and fails within a season or two. The fix is to strip back to sound material, assess the deck, and apply the patch to a clean, dry surface. Call (866) 361-0798 for an inspection and exact quote.
When the existing roof carries two or more layered rolled roofs and the bottom layer or deck is wet, another overlay just hides the damage. Lennox roofs from the 1940s through 1960s often have three generations of roofing stacked up. If the deck is sound and the layers are dry, we’ll patch honestly. If not, we’ll tell you plainly that a tear-off and redeck beats another overlay on cost per year of service.
Permits go through LA County’s Building & Safety, not Inglewood or Hawthorne city hall. Out-of-area crews who don’t know this often stall a job mid-project. We’re familiar with the County process and plan permit timelines into the schedule from day one.
On streets like Lennox Boulevard, side setbacks are usually too narrow for a dumpster, so we stage materials in the alley, the driveway, or the front yard as access allows. We coordinate with neighbors on notification beforehand because staging decisions affect their driveways too. This is part of the estimate, not an afterthought.
On shallow-pitch low-slope surfaces, shingles aren’t the right assembly. That’s why most Lennox roofs are built-up tar-and-gravel or modified bitumen. CertainTeed Flintlastic SA is the product line we recommend for these low-slope applications because it’s designed for that pitch range and holds up to South Bay UV. Shingles are appropriate on steeper additions and gables, and there we’d use Landmark or XT 30 depending on the deck and budget.
Service Areas Near Lennox
In addition to our work throughout Lennox service area coverage, we handle CertainTeed roofing for neighbors in surrounding South Bay communities. That includes CertainTeed service in Hawthorne just to the south, CertainTeed service in North Hollywood for clients across the county, and the broader LA County corridor where similar housing stock and permitting rules apply.
Book Your CertainTeed Service in Lennox Today
We inspect before we recommend. That’s how we work, and it’s how Lennox homeowners avoid paying for a replacement when a repair would do. Call (866) 361-0798 to schedule your free estimate. Seven manufacturers. One crew.
Written by Noel Cardenas, Owner at Ridge Cap Roof Repair, serving Lennox and the South Bay.