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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 Walnut, CA | Van Nuys Roofing Co
We’re an independent CertainTeed roofing contractor serving Walnut, and we handle repair, replacement, and inspection work on CertainTeed shingle and tile roofs across the 91788, 91789, and 91795 ZIP codes. The thing that shapes CertainTeed work in Walnut more than anything else is the HOA: most homes here sit in planned-unit developments where architectural review and Class A fire-rating requirements decide what goes on your roof before the first tile gets lifted. Call (866) 321-6172 for an inspection-first assessment, and we’ll tell you straight whether your CertainTeed roof needs repair or replacement.
Why Walnut Residents Choose Us for CertainTeed Service
We work across seven major roofing material brands, including CertainTeed sales & service, GAF, Owens Corning, IKO, Atlas, Tamko, and Boral. That matters if you’re weighing a CertainTeed tile re-lay against a full tear-off, because we aren’t steered by a single manufacturer’s program. We inspect first and recommend second. Rick Dominguez, our owner, learned the trade through the construction technology program at Los Angeles Valley College and spent two decades on Valley rooftops before starting Van Nuys Roofing Co. He’ll be the first to say it: if it doesn’t need replacing, we’re not going to tell you it does. When we do install CertainTeed products, we follow the manufacturer’s published installation specs so the work holds up to Walnut’s inland heat and Santa Ana winds, and so it clears HOA architectural review.
Styles & brands we work with






Common CertainTeed Roofing Problems We Solve in Walnut
- Brittle underlayment beneath sound-looking tile. Most of Walnut’s housing stock dates to the 1970s through 1990s, and the original CertainTeed underlayment under that Spanish and Mediterranean tile is now past the 25-30 year mark. The tile can look fine while the felt beneath has gone chalky and lost its water-shedding ability.
- Loose ridge and field tiles after Santa Ana events. Those dry canyon winds funnel hard along the foothill streets off Amar Road and Lemon Avenue, and we regularly see ridge tiles lifted out of place on hillside tracts. The tile itself usually survives; it’s the adhesion and fastening that fails.
- Granule loss and heat-baked shingles on south- and west-facing planes. CertainTeed Landmark architectural shingles take a beating under the unbroken San Gabriel Valley summer sun. We see brittle mats and heavy granule loss on the exposures that get the most afternoon UV.
- Ceiling stains that only show up after winter rain. This is the classic Walnut tile-roof leak. The tile sheds water fine, but the aged CertainTeed underlayment beneath it has failed, and the first real rain of the season exposes it as an interior stain.
- Valley and flashing failures at tile transitions. Where tile planes meet at valleys or where flashing steps against chimneys and walls, the original metal and sealant has often fatigued. We replace those with EPDM or neoprene flashing accessories that outlast the roofing material.
CertainTeed Service in Walnut: What Local Conditions Mean for Your Equipment
Here’s what you need to know before anyone climbs a ladder on your Walnut roof. Because the vast majority of Walnut homes sit in HOA-run planned-unit developments, replacement here is not just a homeowner decision. You’ll need architectural review approval on material and color, and the association will almost certainly require a Class A fire-rated roof assembly. On hillside streets off Amar Road, that approval is often the real schedule driver, not the tear-off. We’ve walked through enough of these reviews to know which CertainTeed products and color lines typically clear approval in the Walnut Valley tracts, and we bring the same expertise to our CertainTeed service in West Covina, so we can help you put the right package in front of the HOA the first time. The labor is the easy part; the paperwork is what holds the job up.
CertainTeed Models & Products We Service in Walnut
We service the CertainTeed product lines most common on Walnut roofs, just as we do with our CertainTeed service in Rowland Heights: Landmark architectural shingles, Presidential Shake, Flintlastic modified bitumen membranes for low-slope sections, and CertainTeed tile underlayment systems. Our parts approach is simple: we install genuine CertainTeed shingles, underlayment, and membrane products wherever the manufacturer’s warranty requires it. On the flashing side, we pair those materials with quality EPDM or neoprene accessories that outlast the primary roofing. For common CertainTeed items, we keep moving inventory stocked so most Walnut repair jobs don’t wait on a supply-house run. When the tile itself is still sound, we don’t sell you a full replacement; we lift the tile, re-felt with new CertainTeed underlayment, and re-set it.
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AfterCertainTeed Service Pricing in Walnut
CertainTeed work in Walnut varies by scope, but here’s an honest range to work from. Tile underlayment replacement with re-lay of existing tile typically runs $9 to $15 per square foot. New CertainTeed Landmark architectural shingle installation lands between $6 and $9 per square foot. Tile roof repairs on leaks or displaced tiles generally fall between $450 and $900 depending on what’s actually failed. Flat/low-slope section repairs with Flintlastic run $750 to $1,400. What drives the price in Walnut is access on hillside lots, the condition of the existing deck, and the scope of tile re-setting. A free estimate from us includes a written line-item quote that breaks down labor, materials, and the specific CertainTeed products we’re proposing. Call (866) 321-6172 for exact numbers on your roof.
Serving Walnut, CA — Our Local Coverage Area
We’re based in the Walnut area and know this community well, and we also offer CertainTeed service in Pomona. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CertainTeed Roofing in Walnut
Yes, in nearly every Walnut planned-unit development, the HOA’s architectural review committee must approve the material type, color, and often the specific CertainTeed product before work begins. This applies to both tile re-lay jobs and full replacements, and on hillside streets off Amar Road the approval is usually the longest part of the schedule. We can prepare the product and color documentation the committee needs. Call (866) 321-6172 and we’ll walk you through what your specific HOA will ask for.
Yes, that’s exactly what we do when the tile is sound. We lift and stack the existing tile, strip the failed CertainTeed underlayment, install a new CertainTeed underlayment system, and re-set the original tile. This preserves the roof’s appearance while restoring its waterproofing, and it costs far less than a full tile replacement. Call (866) 321-6172 for a free assessment of whether your tile is worth re-laying.
Santa Ana winds funnel hard along the foothill streets off Amar Road and Lemon Avenue, and ridge tiles take the brunt of that wind loading. The original mortar beds and fasteners on 1980s and 1990s tile roofs have weakened from decades of UV and thermal cycling, so the ridge tiles crack loose at the bond line. We re-bed and mechanically fasten them to hold through the next wind season. Call (866) 321-6172 for an inspection to find every loose ridge tile before the next Santa Ana event.
Yes, CertainTeed Landmark architectural shingles carry a Class A fire rating when installed per the manufacturer’s published assembly, which is what your Walnut HOA and the local fire authority will look for. We follow CertainTeed’s installation specs exactly so the completed assembly meets Class A requirements and clears architectural review. Call (866) 321-6172 to discuss which Landmark color lines typically clear Walnut HOA review.
We’ll talk through the trade-offs honestly. If the tile is cracked or discontinued, we can sometimes source close-match salvage tiles, or we can transition the roof to new CertainTeed Landmark shingles on select planes if the HOA will approve a material change. The honest answer is that a perfect color match on a discontinued 1980s tile line may not exist, and we’ll show you what the closest options look like before you spend anything. Call (866) 321-6172 and we’ll put eyes on the roof and give you straight answers.
Service Areas Near Walnut
We also provide CertainTeed service in Brea and CertainTeed service in Fullerton for homeowners along the 57 corridor. And if you’re looking for a roofer who covers the full Walnut service area, that’s us. We run crews into Diamond Bar, Rowland Heights, West Covina, and the hillside communities east of the 605.
Book Your CertainTeed Service in Walnut Today
If your Walnut roof has a leak, loose tiles, or aging underlayment that’s due, call (866) 321-6172 to schedule a free estimate. We’ll inspect it, tell you what actually needs doing, and give you a written line-item quote. No upsell, no pressure.
Written by Rick Dominguez, Owner at Van Nuys Roofing Co, serving Walnut and the San Gabriel Valley.