Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
CertainTeed Roofing in Citrus, CA | Gable Roof Repair
We provide independent CertainTeed roofing service across Citrus, CA, handling repairs, replacements, and inspections for Landmark, Presidential, and Patriot shingle systems. The one thing that makes our CertainTeed work here different is simple: we diagnose how Citrus’s mature tree shade and valley debris actually break down CertainTeed underlayment and adhesive strips before you spend money on a repair that won’t hold. Call (866) 650-8319 for a free estimate. We work with your roof’s brand, not ours.
Why Citrus Residents Choose Us for CertainTeed Service
We’ve spent years working on CertainTeed roofs across Citrus, and the pattern is consistent: the shingles often look fine from the curb while the real problems hide in shaded valleys and aging underlayment. Neil Drummond, our owner, learned roofing fundamentals at Saddleback College’s construction technology program and has spent decades since then figuring out exactly where CertainTeed systems fail in the San Gabriel Valley. The roof doesn’t lie – the materials tell you exactly what went wrong and when. We’re a full-service shop handling inspection, repair, and replacement under one roof, which means we’re not trying to sell you a tear-off when a targeted repair will hold. We use genuine CertainTeed shingles when the existing roof is sound, and quality aftermarket flashings where the originals have aged out. Seven brands, one standard of installation. That’s how we approach material choice. See our full CertainTeed sales & service capabilities.
Styles & brands we work with
Common CertainTeed Roofing Problems We Solve in Citrus
- Lifted tabs on west-facing slopes after Santa Ana winds. The adhesive seal strips on CertainTeed architectural shingles bake brittle after decades of intense San Gabriel Valley UV exposure. When the Santa Anas kick up, those tabs lift and tear. We see it most on the 1950s and 1960s tract homes that make up much of Citrus’s housing stock.
- Granule loss on south-facing spans. Smog and relentless sun accelerate granule shedding on CertainTeed Landmark shingles, especially on the south and west exposures where Citrus roofs take the brunt of afternoon heat. Bare spots mean the asphalt mat is next.
- Rot-prone valleys from citrus leaf litter. Mature fruit trees planted decades ago shade large roof sections and drop constant debris into valleys. That damp, mossy buildup rots underlayment and decking beneath otherwise sound CertainTeed shingles. This is the single most common failure we find in Citrus.
- Flashing and vent boot failures at re-cover jobs. Many Citrus homes had a second layer of shingles added over the original roof without upgrading the underlayment or flashings. Thermal cycling plus wind-driven rain exploits those gaps, and leaks show up at the old flashing points.
- Moss and algae staining on shaded slopes. The citrus heritage means more shaded roof area than neighboring sun-baked cities. Moss holds moisture against the shingle surface, and over time it compromises the granule layer on CertainTeed Patriot and Landmark lines alike.
CertainTeed Service in Citrus: What Local Conditions Mean for Your Equipment
Because decades-old citrus and fruit trees on many Citrus lots shade large sections of roof, valley debris, moss, and algae build up here faster than in sun-baked neighboring cities. A CertainTeed roof that looks fine from the curb often has a damp, rot-prone valley and shaded underlayment that only shows up when we get on the roof. On a 1960s ranch home near the historic core off Citrus Avenue, a homeowner called about a ceiling stain after the first winter rain. The CertainTeed Landmark field shingles were still serviceable, but the shaded valley was packed with years of citrus leaf litter and moss, with the underlayment rotted through underneath. We cleared and re-flashed the valley, replaced the failed underlayment section and vent boot, and re-laid matching Landmark shingles so the repair blended with the existing roof rather than requiring a full tear-off. That’s inspection first, recommendation second. Repair when it makes sense, replace when it’s right.
CertainTeed Models & Products We Service in Citrus
We work on CertainTeed Landmark architectural shingles, Presidential Shake and Presidential TL, Patriot shingles, and the DiamondDeck and RoofRunner underlayment systems that pair with them. When a repair calls for new shingles, we use genuine CertainTeed product where the existing roof is a warrantable system. Where the underlayment has aged out or the flashings and vent boots were never upgraded, we use quality aftermarket components that match or exceed the original spec. We keep common Landmark colors and standard flashings stocked locally so Citrus repairs don’t stall waiting on parts from out of the area.
See the difference
Before
After
Before
After
Before
AfterCertainTeed Service Pricing in Citrus
A valley repair with underlayment replacement on a Citrus ranch home typically runs $600 to $1,400 depending on valley length and deck condition. Full re-flashing of vents and pipe boots runs $180 to $450 per penetration. Matching Landmark shingle replacement on a single slope starts around $1,200. Full CertainTeed Landmark re-roofs on Citrus tract homes generally fall between $12,500 and $18,500 for a single-story ranch, and Presidential systems start around $22,000. Your free estimate includes a roof inspection, a written line-item quote, and honest guidance on whether a repair will hold or a replacement is warranted. Call (866) 650-8319 to schedule yours.
Serving Citrus, CA — Our Local Coverage Area
We’re based in the Citrus area and know this community well, with CertainTeed in Azusa and nearby communities also within our service reach. Use the map below to see our full coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Roofing in Citrus
Yes, and it’s the most common problem we find on shaded Citrus roofs. Moss holds moisture against the granule surface and works its way under the shingle edges, accelerating deterioration on the parts of the roof you can’t easily see. The fix is clearing the valley, treating the moss, and replacing any underlayment that has already rotted. Call (866) 650-8319 and we’ll get on the roof to check what’s happening underneath.
We generally advise against it. Most 1950s homes in Citrus already have at least one re-cover on the original roof, and adding a third layer adds weight and traps heat. More importantly, the original underlayment on those roofs is often paper-backed and failing. Installing new shingles over failed underlayment means the new roof leaks just like the old one did. We’ll inspect the deck and make the call honestly.
The adhesive seal strips bake out from years of direct afternoon sun on west-facing slopes in the San Gabriel Valley, and CertainTeed service in Irwindale sees the same pattern. Once that seal is brittle and cracked, the tabs have nothing holding them down, and Santa Ana wind gusts work under them. It’s a progressive failure – by the time tabs are visibly lifting, the seal strip has been gone for years. Call (866) 650-8319 for an inspection before the next wind season.
Citrus sits within the City of Citrus’s fire zone mapping, and Covina CertainTeed service follows the same Class A requirements for most single-family homes. Landmark, Presidential, and Patriot shingles all carry Class A fire ratings when installed per CertainTeed’s specifications with the correct underlayment. We’ll confirm what your current assembly is rated and what a replacement will meet.
We trace the leak from the inside out. Water stains on the ceiling tell us the general area, then we check the shingles above that point for missing granules, lifted tabs, or failed flashings. If the shingles are intact, we pull a few to inspect the underlayment beneath. On Citrus roofs with heavy valley debris, the underlayment is usually the culprit, even when the shingles still look new. Exact repair costs vary, but expect underlayment patch work to run $400 to $1,200 in most Citrus homes. Call (866) 650-8319 for a specific quote – estimates are free.
Service Areas Near Citrus
We also serve Citrus service area neighbors including Glendora, Azusa, Covina, and San Dimas. For CertainTeed work just west of Citrus, see CertainTeed service in Meadowbrook. For the Upland area to the east, visit CertainTeed service in Upland.
Book Your CertainTeed Service in Citrus Today
If your Citrus roof is showing lifted tabs, valley debris, or ceiling stains, don’t wait for the next Santa Ana — CertainTeed in Glendora and surrounding areas face the same wind risks. Call (866) 650-8319 to schedule your free estimate. Inspection first, recommendation second. The roof doesn’t lie – and neither will we.
Written by Neil Drummond, Owner at Gable Roof Repair, serving Citrus since the early 2000s.