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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 Lomita, CA | Sunridge Roof Repair
CertainTeed roofing service in Lomita means honest diagnosis first, then repair or replacement using genuine manufacturer materials matched to a house that’s likely from the 1940s or 1950s. We’re an independent roofing specialist serving ZIP 90717, not a CertainTeed corporate affiliate. Sunridge Roof Repair installs and services CertainTeed shingles and flat systems across Lomita every week, and the marine layer here changes how those products behave. Call (833) 589-5180 for a free estimate from a crew that actually knows Lomita roofs.
Why Lomita Residents Choose Us for CertainTeed Service
We install CertainTeed shingles and flat-roof systems every week on Lomita’s aging post-war homes, so we know how their products perform under the marine layer’s salt fog and how to detail them for wind-driven winter storms. Our crew is independent, factory-trained on CertainTeed installation best practices, and focused solely on what works for this housing stock. Ruben Ochoa has been fixing roofs in this part of the South Bay for well over a decade. He’ll tell you if a repair will do the job instead of upselling a full replacement you don’t need. That’s the way we run our CertainTeed sales & service work, whether it’s a patch on a garage flat roof or a full tear-off. If it needs fixing, we’ll tell you what and why. If it doesn’t, we’ll tell you that too.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Lomita
Here’s what we actually find when we get on a Lomita roof:
- Fastener corrosion from the marine layer. Salt-laden morning fog accelerates corrosion of CertainTeed shingle nails and fasteners, causing nail-head rust and premature shingle lifting on north-facing slopes. We see this more on Lomita homes than almost anywhere else we work.
- Moss and algae on Landmark shingles. Moss and algae growth on CertainTeed Landmark shingles that never fully dry between fog cycles, especially on shaded north slopes of 1950s ranch homes. The streaks look cosmetic from the ground but hold moisture against the shingle surface year-round.
- Failing Flintlastic seams on garage additions. Failing seams and flashing on CertainTeed Flintlastic flat roofs over attached garage additions, where ponding fog moisture attacks lap joints that look intact from the street. By the time water shows inside, the lap seal has typically been compromised for months.
- Wind-driven rain intrusion at vulnerable details. Wind-driven rain intrusion at valley and vent-boot details on CertainTeed shingle roofs during winter storms, often due to original 1960s flashing that was never upgraded. Lomita’s winter storms aren’t frequent, but when they hit, they find every weak point.
- Tear-off surprises on second and third coverings. Original roofs from Lomita’s building era are now on their second or third covering, so tear-off depth and decking condition are frequent surprises. You never know what’s under the top layer until the old roof comes off.
CertainTeed Service in Lomita: What Local Conditions Mean for Your Equipment
Lomita is a small, fully built-out South Bay city where nearly every roof is a re-roof or repair on a 1940s to 1960s single-story ranch or Spanish-style stucco home. There’s no new construction to speak of, so roofing here is a tear-off-and-replace business driven by aging original roofs, not new installs. That changes how a CertainTeed job runs from day one. Because lots are tight with narrow side yards, we routinely stage dumpsters and tear-off debris in the driveway or street rather than beside the house. On a recent job, a homeowner on the 90717 side gave us space beside the garage, but the dumpster still had to sit in the driveway for three days. That’s normal for Lomita. It also means every CertainTeed repair here happens on a structure that’s had decades of marine-layer exposure, so we plan for corrosion and moisture intrusion in ways a crew from further inland wouldn’t think to check. The morning fog rolling off the nearby harbor keeps roof surfaces damp in ways you can’t see from the street. By the time we arrive for a free estimate, most Lomita homeowners already have an inkling something’s wrong. Our job is to confirm it honestly and lay out the fix.
CertainTeed Models & Products We Service in Lomita
We work on the full range of CertainTeed roofing products installed on Lomita homes, including Landmark architectural shingles, X-Tra Protection composition shingles, Presidential Shake luxury shingles, and Flintlastic SA flat-roof membrane. For shingle and flat-roof repairs we use genuine CertainTeed shingles and accessories so color, warranty, and performance match the existing system. For flashing and fasteners, we choose high-quality corrosion-resistant aftermarket parts suited to the salt-air environment. That’s the distinction that matters on a Lomita roof: manufacturer-matched where it shows, upgraded where it doesn’t. We’ll always tell you honestly when a repair is realistic versus when an aging CertainTeed roof has reached the end of its service life and replacement makes more sense.
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AfterCertainTeed Service Pricing in Lomita
CertainTeed shingle replacement and leak repair pricing in Lomita depends on what we find once we’re on the roof. A small Flintlastic flat-roof patch over a garage addition runs on the lower end; a full tear-off and re-shingle with Landmark architectural shingles sits at the higher end because of Lomita’s tight staging and multiple-layer removals. What drives most quotes here is tear-off depth and decking condition after decades of marine-layer moisture. Your free estimate includes a roof inspection, a written line-item quote, and an honest recommendation on repair versus replacement. Call (833) 589-5180 for exact numbers.
Serving Lomita, CA — Our Local Coverage Area
We’re based in the Lomita 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 Lomita
You can patch a Flintlastic flat roof if the lap joints and membrane field are still holding, which covers many Lomita garage additions. We’ll inspect the seams, check for ponding fog moisture damage, and tell you straight whether a patch buys you years or replacement is the only honest move. Call (833) 589-5180 for an exact assessment.
Yes, for the most part. The persistent morning marine layer keeps north-facing shingle slopes damp for hours after sunrise, which is exactly the condition that invites moss and algae. Lomita’s coastal fog cycle makes this worse than inland areas. A soft-wash treatment usually clears the growth; if the shingles have lifted or the fasteners have corroded underneath, we’ll recommend repairs too.
We use genuine CertainTeed shingles for shingle repairs, matched to your existing color line where possible. Older Landmark colors can fade, so an exact visual match isn’t always achievable, but the material, profile, and warranty coverage will be correct. We’ll show you samples before any work begins.
Salt-laden fog accelerates corrosion on standard roofing nails and flashing, especially on north-facing slopes and flat-roof lap joints that stay damp. That’s why we specify corrosion-resistant aftermarket fasteners and upgraded flashing on Lomita CertainTeed jobs, even when the shingles themselves are OEM. The goal is a roof that handles the local environment, not just one that looks right from the curb.
We’ll tear off whatever’s there, but most Lomita homes have two to three layers by now. Once we expose the decking, we check for rot and moisture damage from decades of fog exposure. If the plywood is compromised, we replace those sections before the new CertainTeed system goes down. Call (833) 589-5180 to schedule a decking inspection.
Service Areas Near Lomita
Besides our Lomita service area, we handle CertainTeed roofing for nearby homeowners in CertainTeed service in Compton, CertainTeed service in Whittier, Lynwood, and Rolling Hills Estates. The marine layer doesn’t respect city lines, so it’s often the same roof problems in a different ZIP.
Book Your CertainTeed Service in Lomita Today
If your CertainTeed roof is showing its age under that Lomita morning fog, call (833) 589-5180 for a free estimate. We’ll inspect first and recommend honestly. Repair when repair is right. Replace when it’s not.
Written by Ruben Ochoa, Owner at Sunridge Roof Repair, serving Lomita and the South Bay.