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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
GAF Roofing in Lennox, CA | Van Nuys Roofing Co
We provide independent GAF roofing service across Lennox, from Timberline shingle repairs on the bungalows near Inglewood to flat-roof patch work on the duplexes tucked under the LAX approach. What makes our GAF work different here is simple: we plan every job around narrow lots, tight parking, and jet-traffic staging that bigger South Bay roofers never have to think about. If your GAF roof is leaking, lifting, or showing granule loss, call (866) 321-6172 for a straight read on whether it needs repair or replacement.
Van Nuys Roofing Co works with GAF’s full residential lineup, but we’re not a manufacturer shop. We’re an independent roofing contractor serving Lennox and the surrounding South Bay. That means our recommendation is based on what your roof actually needs, not what a supplier incentive tells us to push. See our GAF sales & service page for the full scope of what we handle.
Why Lennox Residents Choose Us for GAF Service
Lennox is a small, densely packed unincorporated LA County island, ZIP 90304, hemmed in by Inglewood, Hawthorne and El Segundo. Nearly every roofing job here is a tight-lot tear-off on low-slung 1940s to 60s stucco bungalows and small duplexes under the flight path. Rick Dominguez, our owner, learned the trade through the construction technology program at Los Angeles Valley College and spent two decades on rooftops across the San Fernando Valley before starting Van Nuys Roofing Co. He grew up off Sepulveda Boulevard and never left the neighborhood, which means he runs the crews the way he’d want a roofer to treat his own house. If it doesn’t need replacing, we’re not going to tell you it does.
We inspect first, recommend second. That’s not a slogan. It’s how we’ve built a repeat customer base in Lennox, where homeowners want a clear repair-versus-replace answer without a sales pitch attached. Seven leading brands, one crew that knows them all: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. Your roof, your material choice. When GAF is the right call for a Lennox roof, we say so and back it with our knowledge of the full Timberline and EverGuard specs.
We’re part of the Lennox service area and have been on enough mid-century roofs here to know where they fail first.
Styles & brands we work with






Common GAF Roofing Problems We Solve in Lennox
- Santa Ana wind uplift at the rake and eave edges. Timberline shingles lift and tear where the starter course and edge fastening weren’t upgraded. On the open, low-slung Lennox bungalows with full exposure to the South Bay wind corridor, we see this after nearly every strong Santa Ana event. Repair means replacing the lifted shingles, upgrading the starter strip, and re-fastening the edge perimeter to GAF spec.
- Premature granule loss and sun-baked UV aging on south-facing slopes. Lennox lots are wide and tree-bare in many spots, so the south roof face gets baked. Granule-bald Timberline fields are a replacement issue, not a patch job. We’ll tell you when a full reroof is cheaper in the long run than chasing individual shingles.
- Marine-moisture intrusion on low-slope GAF EverGuard and Liberty membranes. Salt-laden air and ponding stress the lap joints on flat and low-slope roofs, especially over the original weak mid-century sheathing. We inspect seam integrity first, then patch or re-seam as the roof allows.
- Flashing and vent-boot seal failure around old duplex and apartment penetrations. Water backs under shingles at the plumbing stacks, furnace flues, and dryer vents, then rots the original sheathing. On Lennox duplexes with multiple penetrations from the original build, this is the most common call we get.
- Fastener corrosion on membrane roofs. Marine air accelerates rust on exposed flashings and fasteners. We swap in corrosion-resistant replacements where GAF’s originals have given out.
GAF Service in Lennox: What Local Conditions Mean for Your Roof
Here’s the thing about Lennox that changes how GAF work gets done here: the town sits directly under the LAX approach, and every lot is narrow. Most GAF tear-offs are staged from the street, with dumpster placement and tear-off timing planned around flight-path noise and limited parking. That’s a logistics problem you don’t face on larger South Bay lots. On a compact stucco duplex off a narrow Lennox street near the Inglewood line, we stripped a sun-baked, granule-bald Timberline HDZ field that had lifted at the rake during a Santa Ana gust and exposed original mid-century sheathing that needed patching. We staged the tear-off from the street to work around tight parking and jet-traffic noise, repaired the decking, then re-roofed with new Timberline HDZ, fresh starter and ridge cap, and upgraded vent boots and flashing. That’s what GAF service in Del Aire and Lennox actually looks like day to day. If you live off one of those narrow streets where a dumpster barely fits, you already know what we’re talking about.
Coastal LA weather means roof failures here lean toward wind uplift, sun-baked aging, and marine-moisture wear, not snow or freeze damage. For GAF owners, that means south-facing Timberline fields age faster than north-facing ones, and low-slope membranes need seam inspections more often than they would ten miles inland.
GAF Models & Products We Service in Lennox
We work with the GAF residential lineup that shows up on Lennox roofs: Timberline HDZ architectural shingles, Timberline Natural Shadow, EverGuard TPO membrane for low-slope and flat applications, and Liberty SBS self-adhered roofing where the pitch calls for it. We favor GAF’s own accessory components, starter strips, ridge cap, and matching model-specific flashing, because the shingle warranty system is designed around them. Where aftermarket parts outperform the originals, we’ll say so, especially on vent boots and sealants where newer materials simply last longer in marine air. We don’t stock everything on the truck, which means parts for the most common Lennox repairs are ordered for next-day turnaround, and we’ll tell you the timeline before we start.
See the difference
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AfterGAF Service Pricing in Lennox
GAF repair pricing in Lennox depends on what’s wrong and how accessible the roof is. Here’s what we typically see:
- Shingle replacement (individual or small area): $250 – $600 depending on slope height and access.
- Flat roof patch (EverGuard or Liberty membrane): $350 – $900 for seam repair, ponding correction, or a small penetration seal.
- Flashing repair (vent boots, pipe collars, chimney or wall flashing): $300 – $800 depending on the number of penetrations and the condition of surrounding shingles.
- Full Timberline reroof on a standard Lennox bungalow: $9,000 – $16,000 depending on decking condition, tear-off staging, and slope complexity.
Every estimate is free, and it’s a written line-item quote, so you can see exactly what you’re paying for. If the decking is rotted, we’ll show you before we quote the patch work. Call (866) 321-6172 for an exact number on your Lennox 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 – GAF Roofing in Lennox
A properly installed Timberline HDZ roof with upgraded starter strip and edge fastening will hold up well in Lennox, but older installations with basic edge details are the ones that lift at the rake and eave during strong gusts. The fix is usually re-fastening the perimeter and replacing lifted shingles before the next wind event. Call (866) 321-6172 for a free wind-uplift inspection.
Yes, seam repairs and small membrane patches are worth doing when the rest of the membrane is still sound. If the lap joints are failing across the whole roof or the original sheathing is soft under the membrane, patching is a bandage. We’ll tell you which one you have after we get on the roof.
They almost always do. The original sheathing on many Lennox bungalows and duplexes is thin, knotted, or water-damaged at the edges and around penetrations. A proper GAF reroof includes decking repair before any shingle or membrane goes on. We’ll show you the condition once the tear-off is underway so you know what we found.
Marine air accelerates corrosion on exposed fasteners and flashings, and it stresses membrane seams on low-slope roofs through moisture and salt buildup. GAF’s materials are built for coastal exposure, but the installation details around seams, fasteners, and edge flashings matter more in Lennox than they would ten miles inland.
No, Van Nuys Roofing Co is an independent roofing contractor. We’re not a GAF-certified or authorized shop, and we’re not affiliated with the manufacturer. What we are is experienced with the GAF product line, and we’ll install it to spec whether you want Timberline, EverGuard, or Liberty on your Lennox roof.
Service Areas Near Lennox
We serve Lennox and the surrounding South Bay, including Inglewood, Hawthorne, El Segundo, and Lawndale. We also handle GAF work in GAF service in Altadena and GAF service in El Segundo for homeowners across the wider LA basin.
Book Your GAF Service in Lennox Today
If your Lennox roof is showing granule loss, wind lift, or water stains, the fastest way to a straight answer is a free inspection. Call (866) 321-6172 and we’ll get you on the schedule for a written estimate.
Written by Rick Dominguez, Owner at Van Nuys Roofing Co, serving Lennox and the South Bay.