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CertainTeed Roofing in Glendale, CA | Tilehurst Roofing Los Angeles
We provide independent CertainTeed our Roof Repair in Glendale and replacement across the city, from the flatlands south of the 134 to the hillside streets of Rossmoyne. What makes our CertainTeed work different here is that we plan every job around Glendale’s Very High Fire Hazard Severity Zone code, which affects which vents, underlayment, and assemblies your roof can legally use. Greg Holloway, our owner, has spent over a decade working roofs across Los Angeles County, and he’ll tell you the price before we touch the roof. Call (213) 674-2890 for a free estimate.
We’re an independent CertainTeed service provider, not a manufacturer-authorized dealer. That independence means we diagnose problems honestly and recommend the right repair rather than the one that moves the most product. For CertainTeed sales & service, we work with the full Landmark, Presidential Shake, Grand Manor, and Highland Slate lines, and we stock common OEM components locally so Glendale repairs don’t stall waiting on parts.
Why Glendale Residents Choose Us for CertainTeed Service
CertainTeed roofs in Glendale rarely fail the way the warranty booklet predicts. The sun here is relentless: UV exposure on south-facing slopes bakes shingles until the asphalt oxidizes and granules let go years before their rated life. Santa Ana winds hit hillside exposures hard, peeling tabs at ridges and eaves. And the stucco-clad Spanish Colonial and Mediterranean homes that define so many Glendale neighborhoods trap moisture behind flashing in ways that flat-drywall ranches never do.
Our crews see this every week. Greg learned the trade at Los Angeles Trade-Technical College and has spent years working flat torch-down on Mid-City apartment buildings, clay tile on Eagle Rock hillsides, and composite shingle replacements after wind events. That range matters when a Glendale home mixes tile, shingle, and low-slope sections on one roof. We show up on time, name the actual problem, and put a written price in your hands before any work starts. Every repair also comes with a written guarantee before the crew leaves, not mailed later.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Glendale
- Granule loss on Landmark shingles. South-facing roofs in Glendale take direct sun for 300-plus days a year. The UV breaks down the asphalt layer and granules wash into gutters, leaving bare patches that crack within 12 to 15 years instead of the rated 30. We identify which slopes are failing and replace them before leaks start.
- Flashing failures at sidewalls and chimneys. Spanish Colonial homes with stucco exteriors trap moisture behind step flashing, and over time the metal corrodes. By the time you see a ceiling stain, the flashing has usually been leaking for months. We pull the stucco back, replace the flashing, and seal it properly.
- Wind uplift on Presidential Shake tabs. When Santa Ana gusts exceed 60 mph, the thick tabs on Presidential Shake catch wind like sails. Ridge and eave sections on hillside homes in Rossmoyne and Verdugo Woodlands are the usual victims. We re-secure or replace tabs and add extra fasteners at exposed edges.
- Concealed underlayment rot beneath clay tile. Many 1920s-to-1950s Glendale homes still have their original tile over degraded underlayment. The tile looks fine from the street, but water is getting through and rotting the decking underneath. We specialize in tile underlayment replacement without unnecessary tile demolition.
- Roof decking deterioration. Moisture trapped by failed flashing or underlayment sits against plywood or plank decking and rots it. We replace damaged decking with CDX plywood and install CertainTeed DiamondDeck synthetic underlayment as the new base layer.
CertainTeed Service in Glendale: What Local Conditions Mean for Your Equipment
Glendale’s municipal code requires roof replacements in the Very High Fire Hazard Severity Zone to use Class A assemblies with ember-resistant vents. That’s a specific, enforceable requirement, and it creates a problem most CertainTeed owners don’t discover until their contractor quotes a non-compliant system. CertainTeed does not manufacture a vent that satisfies this particular Glendale ordinance. So on a replacement, we pair CertainTeed shingles with code-approved vents from brands like O’Hagin, which are designed to block ember intrusion. Our CertainTeed installs in Glendale must be assembled as a system, not just a shingle-over-shingle job. If a contractor skips the vent detail, the permit gets flagged, the inspection fails, and you’re paying for a redo. We’ve planned enough Glendale replacements that we handle this before the permit application goes in, not after.
CertainTeed Models & Products We Service in Glendale
We work on every major CertainTeed line. Landmark Architectural Shingles are the workhorse on mid-century ranches in the flatlands. Presidential Shake shows up on hillside estates and custom Mediterranean homes. Grand Manor is the luxury option with an 8-inch exposure that resembles hand-split shake. Highland Slate gives the slate look without the weight penalty, which matters on older Glendale framing.
For repairs, we prioritize CertainTeed OEM components like SwiftStart starter strips and DiamondDeck underlayment. When OEM lead times stall a repair during peak fire season, we use code-approved aftermarket equivalents and disclose the substitution in writing before work begins. For asphalt systems past 60 percent of their rated life, we usually recommend replacement with CertainTeed cool-roof shingles rather than patching a failing section.
See the difference
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Before
AfterCertainTeed Service Pricing in Glendale
CertainTeed roof repairs in Glendale typically run $350 to $950 for targeted fixes like flashing replacement or tab re-securing. Tile underlayment replacement on a section of a clay tile roof usually lands between $1,800 and $4,500 depending on roof access and the amount of tile that must be lifted and reset. A full CertainTeed shingle replacement on a standard Glendale ranch generally starts around $9,500 and climbs based on roof complexity and fire-zone requirements.
What drives the cost: roof pitch and hillside access, the number of flashing points, decking condition, and whether your home falls inside the Very High Fire Hazard Severity Zone. A free estimate includes a written line-item price, so you know exactly what each part costs before anything starts. Call (213) 674-2890 to schedule yours.
Serving Glendale, CA - Our Local Coverage Area
We’re our Roofing Company in Glendale, based here and knowing 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 Glendale
Yes. Glendale requires Class A fire-rated roof assemblies with ember-resistant vents in the Very High Fire Hazard Severity Zone, and CertainTeed does not manufacture a vent that meets the city’s specific ordinance. We pair CertainTeed shingles with code-approved vents like O’Hagin on every replacement to pass inspection. Call (213) 674-2890 and we’ll check whether your address falls in the zone.
In most cases, yes. We lift the tile in the affected section, replace the degraded underlayment with CertainTeed DiamondDeck or an equivalent, and reset the original tile. If tiles are broken beyond reuse, we source matching replacements. Call (213) 674-2890 for a free inspection and written estimate.
The intense UV exposure in Glendale, especially on south-facing slopes, accelerates asphalt oxidation and granule loss far faster than the rated lifespan suggests. It’s the most common CertainTeed failure mode we see here, and early intervention on affected slopes prevents leaks. Call (213) 674-2890 and we’ll tell you if it’s isolated or systemic.
Yes. We source matching Presidential Shake bundles by color code and lot where possible, and we inspect the entire roof for additional wind-lifted tabs so you’re not back on the phone after the next storm. Call (213) 674-2890 for a free storm-damage inspection.
If the flat section has been patched more than once or shows membrane splitting across more than a third of its surface, replacement usually costs less over five years than repeated repairs. For roofs with structurally sound decking and localized damage, a proper repair with new flashing can last years. Call (213) 674-2890 and we’ll tell you which one applies to your roof.
Service Areas Near Glendale
We provide CertainTeed service throughout Glendale service area and the surrounding region. Our crews regularly work nearby in CertainTeed service in Los Angeles, across CertainTeed service in Compton, and in the communities between.
Book Your CertainTeed Service in Glendale Today
If your CertainTeed roof is granule-shedding, wind-lifted, or leaking through old flashing, we’ll diagnose it straight and put the price in writing before anything starts. Call (213) 674-2890 to schedule your free estimate.
Written by Greg Holloway, Owner at Tilehurst Roofing Los Angeles, serving Glendale and Los Angeles County since 2000.