Owens Corning
Architectural shingles
Metal roofing
Tile roofing
GAF
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Owens Corning Roofing in Lomita, CA | Hollywood Roofing Co
We provide Lomita Roof Repair and independent Owens Corning roofing service across Lomita (90717), covering repair and full replacement of Oakridge, Duration, Supreme, and Berkshire shingle systems. One thing separates our Owens Corning work here from what you’ll get from a general contractor: we know exactly how marine-layer damp and palm-and-eucalyptus litter interact with each Owens Corning product line on Lomita’s 1950s ranch roofs. Call (833) 589-7971 to schedule an estimate and we’ll tell you straight whether your roof needs a targeted repair or a complete re-shingle.
Why Lomita Residents Choose Us for Owens Corning Service
Hollywood Roofing Co installs and services seven major roofing brands, but our Owens Corning work in Lomita runs deep. We’ve replaced and repaired hundreds of Owens Corning roofs in the South Bay, including Manhattan Beach Owens Corning service work, and we’ve seen how Oakridge 3-tabs behave after fifteen years of morning dew cycling versus how Duration architectural shingles respond to Santa Ana wind gusts on a north-facing slope. That’s model-level familiarity you don’t get from a contractor who touches Owens Corning once a season.
We’re an independent Owens Corning service provider, not an authorized dealer or manufacturer affiliate. That matters because our recommendations are driven by what your Lomita roof actually needs, not by a quota or supplier agreement. Roland Vega, our owner, learned roofing at Los Angeles Trade-Technical College and has spent decades working South Bay roofs. He’ll look at your Owens Corning roof the same way he’d look at a GAF or CertainTeed roof: honestly, and with the question of whether repair or replacement serves you better over the next ten years.
For more on how we work across Owens Corning’s product range, see our Owens Corning sales & service overview.
Styles & brands we work with






Common Owens Corning Roofing Problems We Solve in Lomita
- Granule loss and edge curl on Oakridge 3-tabs. Lomita’s marine layer keeps low-pitch ranch roofs damp well into midday, and after years of that daily dew-then-dry cycle, Oakridge 3-tab shingles lose granules at the edges and curl upward. The exposed mat then catches Santa Ana wind like a sail. We replace curled shingles before they become blow-offs.
- Wind creasing and shingle lift on Duration architectural shingles. Duration shingles rely on factory sealant strips to bond. On north-facing slopes shaded by mature eucalyptus, the sealant sometimes never fully activates because the dew keeps the shingle surface cool longer than the sealant needs to cure. We see wind creasing along those shaded slopes more in Lomita than in sun-exposed tracts in Torrance. Re-sealing or targeted shingle replacement fixes it.
- Shadow-line cracking on Supreme 3-tabs from valley debris damming. Palm fronds and eucalyptus leaves pack into valleys behind chimneys after a windy night. That debris dams water, which creeps under Supreme 3-tab shingles and rots the underlayment. The shingles then crack along the shadow line because the decking beneath is swelling. We clear valleys, replace rotted underlayment, and re-shingle the affected runs.
- Granule loss and blistering on Berkshire designer shingles. Hip roofs on Lomita’s 1,200 to 1,600 square foot ranches often have marginal attic ventilation. Trapped heat mixes with the marine layer’s morning moisture, and Berkshire’s heavy granule bed shows blistering faster than it should. We repair blistered sections and, when needed, recommend ventilation improvements to stop it from recurring.
- Flashing failures at chimney collars and valley seams. Roof flashing on Lomita’s original 1950s homes is often galvanized steel that has corroded through decades of salt-tinged marine air. Where flashings have pulled away from an Owens Corning shingle run, we re-flash with quality aftermarket materials that won’t rust out in another ten years, then re-shingle around the repair for a clean seal.
Owens Corning Service in Lomita: What Local Conditions Mean for Your Equipment
Here’s something specific about Lomita we’ve learned the hard way: the combination of dense tree canopy and a persistent marine layer creates a debris-and-dampness cycle that changes how Owens Corning shingles age. In the sun-exposed tract developments of Owens Corning in Torrance or the drier hills of Palos Verdes, a roof dries quickly after morning dew. In Lomita, the streets lined with mature eucalyptus and palm keep whole roof planes shaded and damp for hours longer each day. That means sealant strips on Duration shingles take longer to cure, granules on Oakridge and Supreme wear unevenly in shaded valleys, and organic debris sitting in those valleys keeps moisture against the underlayment for weeks at a time. We’ve pulled rotted valley underlayment out of Lomita roofs on 252nd Street and nearby blocks more often than from any other South Bay neighborhood we service. If you own a 1950s ranch in Lomita, your Owens Corning roof needs a different maintenance eye than the same roof would need three miles inland.
Owens Corning Models & Products We Service in Lomita
We repair and replace the Owens Corning lines most common on Lomita’s post-war ranch stock: Oakridge, Duration, Supreme, and Berkshire. For shingle replacements, we use genuine Owens Corning shingles, underlayment, and accessory components to keep the roof system compatible from decking to ridge. For flashing and vent boots, where the OEM equivalent is often discontinued or backordered, we source quality aftermarket parts that hold up to Lomita’s marine air. We maintain a running inventory of common Owens Corning color blends and accessory stock for faster turnaround on Lomita repairs, which means less time waiting on a distributor when a valley needs work before the next rain.
See the difference
Before
After
Before
After
Before
AfterOwens Corning Service Pricing in Lomita
Most Owens Corning repairs in Lomita land between $350 and $850 for shingle replacement around a valley, behind a chimney, or along an eave. Larger repairs involving decking replacement or multiple roof planes typically run $1,200 to $2,800 depending on how far the moisture has traveled. Full Owens Corning replacement on a standard 1,200 to 1,600 square foot Lomita ranch generally starts around $14,000 and climbs from there based on shingle line, decking condition, and roof complexity. A free estimate from us includes a written line-item breakdown so you know exactly what’s being fixed or replaced and what it costs. Call (833) 589-7971 and we’ll walk the roof with you.
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 – Owens Corning Roofing in Lomita
Curling at the edges on Supreme 3-tabs is a sign the shingle’s mat has lost flexibility and the sun-facing granules are wearing thin, and in most Lomita cases we can still repair the affected runs. If curling is isolated to a few areas and the decking underneath is sound, replacing those shingles with matching Owens Corning Supreme is a practical fix. If curling covers more than about 20% of the roof, a full replacement is usually the more honest recommendation. Call (833) 589-7971 and we’ll give you a straight assessment.
The marine layer shortens the window where Duration’s factory sealant strips fully bond, especially on north-facing Lomita slopes shaded by mature trees, because the shingle surface stays cool and damp longer than in inland areas. That can leave shingles with a weaker seal, making them more prone to wind creasing and lift during Santa Ana events. We check sealant activation on every Lomita Duration roof we inspect and re-seal problem zones before new damage starts.
Yes. We keep common Owens Corning Oakridge color blends in stock and can source the specific shade from our distributor when needed, with the goal of matching the existing roof as closely as the current manufacturing run allows. Since Oakridge colors can shift slightly between lots, we’ll show you the matched shingle against the roof before we start the repair so there are no surprises. Call (833) 589-7971 to schedule a valley repair estimate.
Yes. On Lomita’s 1950s ranches, water-damaged or rotted decking is common around valleys, chimneys, and eaves where debris collects and moisture sits. We replace the rotted sheathing with new plywood or OSB that meets current code before installing the Owens Corning shingle system over it, and we show you the damaged decking once it’s pulled so you can see what we found. That way the new Owens Corning roof is going onto a solid surface, not a compromised one.
For most low-pitch Lomita ranch roofs, we recommend Owens Corning Duration because its architectural design and stronger sealant strips perform better under leaf-damming and occasional Santa Ana wind than Supreme or Oakridge 3-tabs. Duration also holds up better on slopes that stay damp longer from marine-layer dew. For homeowners on a tighter budget, Supreme remains a workable option if the roof gets regular debris clearing and the existing decking is sound. Call (833) 589-7971 for a recommendation matched to your specific Lomita roof.
Service Areas Near Lomita
Hollywood Roofing Co provides Owens Corning service across the South Bay and surrounding communities. In addition to our work throughout Lomita’s service area, we handle Owens Corning repair and replacement in Torrance, Harbor City, Wilmington, and the Palos Verdes Peninsula. We also serve homeowners in Artesia and Rolling Hills Estates who want Owens Corning-specific expertise on their roofs.
Book Your Owens Corning Service in Lomita Today
If your Owens Corning roof has curling shingles, granule buildup in the gutters, or a leak after the last windy night, call us at (833) 589-7971. We’ll schedule a free estimate, inspect the roof at the shingle level, and tell you exactly what it needs. Roland Vega and our crew work Lomita roofs every week, and we’re ready to walk yours.
Written by Roland Vega, Owner at Hollywood Roofing Co, serving Lomita and the South Bay for decades.