







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why San Jose Homeowners Choose CertainTeed Construction
Penhallow Remodeling San Jose provides independent CertainTeed service in San Jose, specializing in roofing repair, full roof replacement, and metal roofing installation. We work on CertainTeed Landmark, Landmark Pro, Presidential Shake, and Cedar Impressions systems daily, and we know exactly how San Jose’s dry summers and wet winters stress these products over time. We’re not a CertainTeed factory service center and we don’t claim to be, but our crews have the hands-on experience to diagnose and fix CertainTeed failures the way a manufacturer’s brochure never will. Call (669) 274-2362 for a free estimate on any CertainTeed roof or siding work.
What sets our CertainTeed work apart is simple: we write the price before we start, we show up in the window we gave you, and we stand behind the repair for a full year under our 365-Day Done Right Promise. If a CertainTeed repair fails inside that year, we come back and fix it at no charge. That’s a written guarantee, not a verbal one. San Jose homeowners who’ve been burned by a contractor who disappeared after the check cleared tend to appreciate that.
Why Trust Penhallow Remodeling San Jose for Your CertainTeed Construction?

CertainTeed roofing and siding fail in predictable ways, and anyone who’s worked on them in San Jose’s climate learns those patterns fast. Our technicians have spent years tracing leaks, replacing granule-bare shingles, and re-flashing valleys on CertainTeed in Santa Clara County, from Alum Rock to Willow Glen. Trevor Nash, who runs Penhallow Remodeling San Jose, got his start doing kitchen and bath gut-jobs in Willow Glen before moving into full-scale exterior work, and he’s still the one who walks your roof before we quote it. Give me the real problem and I’ll give you the real number, he’ll tell you, and then he’ll hand you a written scope with firm pricing.
We train our crews on CertainTeed’s specific installation and repair requirements: correct nail placement on Landmark shingles, proper sealant compatibility with Cedar Impressions panels, the right underlayment for Presidential Shake in a Mediterranean climate. Background-checked, uniformed technicians do the work, and a live person answers our phone 24/7, not a voicemail maze. If you call on a Sunday evening with water coming through a CertainTeed valley, you’ll talk to a real human who can tell you what to do next.
Independence matters here. We’re not authorized by CertainTeed, and we won’t pretend otherwise. What we will tell you is that we use genuine CertainTeed components or certified complementary lines when warranty alignment matters, and we’ll say plainly when a quality aftermarket flashing or underlayment outperforms the original spec for San Jose’s sun-baked roofs.
Styles & brands we work with







Common CertainTeed Construction Problems We Fix in San Jose
San Jose’s climate is hard on roofing products. Long rainless summers with intense UV exposure, followed by heavy winter rains, create a cycle of expansion, contraction, and moisture stress that exposes weak points in any shingle or siding system. CertainTeed products are well-engineered, but no product is immune to this city’s specific conditions. Here are the failures we see most often.
- Landmark shingle granule loss on south-facing slopes. The south side of a San Jose roof takes direct afternoon sun for months on end without rain to cool it. CertainTeed Landmark shingles, especially on roofs installed more than 12 years ago, can shed granules prematurely when the asphalt binder bakes hard and loses its grip. You’ll see bare patches of black asphalt where the colored granules used to be. Left alone, that exposed asphalt UV-cures and cracks, then water gets in. We replace those damaged shingles individually when the damage is localized, and we’ll tell you honestly when replacement is the smarter call.
- Presidential Shake tabs curling or cracking. CertainTeed Presidential Shake is a heavy, dimensional shingle designed to mimic wood shake. It looks great, but in San Jose’s low-humidity summers with overnight temperature swings, the edges of those tabs can dry out and curl upward. Once a tab curls, wind catches it and stress concentrates at the nailing strip. Hairline cracks form, and those cracks become leak paths. We can often replace individual curled tabs, but when we see widespread curling across the roof, we’ll tell you it’s a sign the whole system is reaching the end of its useful life.
- Cedar Impressions siding panel warping at edges. CertainTeed Cedar Impressions is a polymer siding product that looks like real cedar without the maintenance. The failure we see most often involves improper flashing or trimming during the original install. When a panel is cut too tight against a window or door, or when the flashing behind it wasn’t lapped correctly, moisture gets behind the panel and sits there. The panel warps, pulls away from the wall, and becomes a pathway for more water. We fix this by removing the warped panels, correcting the flashing, and reinstalling with proper clearances. It’s precision work, and it’s the kind of thing that separates a repair that lasts from one that fails again in a season.
- MemBrain underlayment brittleness in poorly ventilated attics. CertainTeed MemBrain is a smart vapor retarder meant to let walls dry while blocking moisture ingress. But it’s also used as roof underlayment in some applications, and in San Jose attics with inadequate ventilation, summer heat can bake it until it turns brittle. Micro-tears form, and those tears later show up as roof deck staining after a wet winter. If we open up a roof and find brittle MemBrain under the shingles, we replace it and often recommend adding ventilation so the new underlayment doesn’t suffer the same fate.
- Valley flashing splits on CertainTeed roofs. The valleys on your roof collect water from two planes and channel it down to the gutters. That’s a lot of water moving through a narrow seam. On CertainTeed roofs where the valley flashing was installed with less overlap than required, or where sealant has degraded in San Jose’s UV, the seam splits. Water gets under the shingles and follows the valley line into your decking. This is a common source of the “mystery leak” that only appears during heavy winter storms. We strip the valley, inspect the decking beneath, replace the flashing, and often upgrade to a CertainTeed-compatible ice-and-water shield along the seam.
Every one of these problems has a specific cause and a specific fix, and we’ve seen every one of them in San Jose. That local experience is the difference between a roofer who guesses and a contractor who knows.
CertainTeed Parts & Our Repair-vs-Replace Approach

When we repair a CertainTeed roof, we default to genuine CertainTeed components. That means Landmark shingles matched by color and lot when possible, Presidential Shake tabs from the same series, and underlayment that meets CertainTeed’s installation specs. Using OEM parts keeps the repair within the spirit of the manufacturer’s warranty and ensures the materials behave the same way as the original install.
But we’ll also tell you when a quality aftermarket product makes more sense. San Jose’s long, dry summers demand underlayment and flashing that can handle intense UV without drying out or losing adhesion. In some cases, a high-grade aftermarket flashing outperforms the original spec for this climate. We’ll recommend it when it’s the better product for your roof, and we’ll explain why. That’s our version of honest: we’d rather give you one straight sentence than three impressive-sounding ones.
On repair versus replace, the math is straightforward. If your CertainTeed roof is under 10 years old and the damage is localized, a targeted repair usually makes sense. If it’s over 15 years old with widespread granule loss, curled tabs across multiple slopes, or deck rot we can already see, patching buys you time but not much of it. We’ll tell you which situation you’re in and give you a written number for both options. Call (669) 274-2362 and we’ll walk your roof with you.
Our CertainTeed Service Process – Step by Step
- 1
Diagnosis. We walk the entire roof, not just the area you pointed at. Trevor or one of our senior techs documents the shingle condition, checks flashing channels, inspects the attic decking from the inside, and identifies every leak path we can find. This is where San Jose-specific experience pays off. We know where the south-facing slope is, we know what valley flashing looks like when it’s failing, and we know what granule loss means on a 12-year-old Landmark roof versus a 3-year-old one.
- 2
Repair or replacement plan with a written price. Before any work starts, you get a written scope and a firm number. Not an estimate range, not a verbal ballpark, a number you can hold us to. If we find additional damage during the repair, we stop and talk to you before proceeding. The number on day one is the number on the invoice.
- 3
Repair or installation. Our crews arrive in uniform at the window we gave you. We use genuine CertainTeed components or certified complementary materials, we protect your landscaping and driveway, and we leave the job site cleaner than we found it. That’s The Kingswell Way, and it’s been our standard since 2004.
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Testing and verification. After the repair, we water-test the repaired area and inspect the surrounding sections for any hidden damage we might have missed. On full replacements, we verify flashing integration, inspect the decking, and check every penetration for proper sealing.
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Warranty in writing. Every CertainTeed repair carries our 365-Day Done Right Promise. If the work fails inside that year, we come back and fix it at no charge. That’s a written guarantee on every job, not a handshake.
See the difference
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AfterCertainTeed Products We Service & Install in San Jose
Our crews work on the full range of CertainTeed roofing and siding products. We service and install Landmark and Landmark Pro architectural shingles, the most common CertainTeed in Mountain View and throughout the South Bay. We handle Presidential Shake installations and repairs, where the heavy dimensional profile demands precise nailing and sealant work. We service Cedar Impressions polymer siding, including panel replacement, re-flashing, and moisture remediation. We work with FlintBoard and MemBrain underlayments, and we install CertainTeed ice-and-water shield products on valley seams, eaves, and dormers. For metal roofing, we install standing seam systems that integrate with CertainTeed’s color palette and flashing details. We keep common Landmark colors and valley flashing components in local stock for fast turnaround on repairs.
We Also Service These Brands
CertainTeed is a big part of what we do, but it’s not the only product we trust. We install and service cabinetry from KraftMaid, countertops from Cambria and Silestone, and fixtures from Kohler across our kitchen and bath remodels. If your San Jose home has a CertainTeed roof and a Cambria island, we’re the same crew for both jobs.
FAQs – CertainTeed Construction Service in San Jose

Is Penhallow Remodeling San Jose authorized by CertainTeed?
No, we’re an independent contractor, not a CertainTeed factory service center, and we don’t claim factory authorization. What we do bring is years of hands-on experience repairing and installing CertainTeed products in San Jose’s specific climate, with written pricing and a written guarantee on every job.
Do you use genuine CertainTeed OEM parts?
Yes, we default to genuine CertainTeed components for repairs, matched by shingle color and series when available. When a quality aftermarket flashing or underlayment actually outperforms the original spec for San Jose’s UV-heavy summers, we’ll say so and explain why, then give you the choice.
How long does CertainTeed service take?
Targeted shingle replacement or valley re-flashing is often done in one day. A full Landmark roof replacement on a typical San Jose ranch runs three to five days, depending on decking condition, roof complexity, and weather. We’ll give you a real arrival window and a completion date in writing before we start. Call (669) 274-2362 for an exact timeline on your roof.
What CertainTeed models and series do you cover?
We service and install Landmark, Landmark Pro, Presidential Shake, Cedar Impressions, FlintBoard, MemBrain, and CertainTeed ice-and-water shield products. If you have a CertainTeed product that’s not on that list, call us. We’ll tell you honestly whether it’s something we can take on.
Will service void my CertainTeed warranty?
CertainTeed warranties cover manufacturing defects in the product, not the labor or the conditions on your roof. Our repairs use genuine CertainTeed components and follow their installation specs, which keeps your material warranty intact in most cases. We recommend checking your specific warranty documentation before any third-party repair, and we’re happy to walk through it with you. Our own 365-Day Done Right Promise covers our workmanship regardless.
How much does CertainTeed construction cost in San Jose?
Roof replacement with CertainTeed Landmark shingles runs $9,440 to $23,600 for a typical San Jose home. Targeted repairs like shingle replacement or valley sealing run $470 to $2,125. Standing seam metal roofing that integrates with CertainTeed’s color palette runs $17,700 to $47,200. The exact number depends on roof size, pitch, decking condition, and the specific CertainTeed product line. Call (669) 274-2362 for a free exact estimate, written before any work starts.
Book Your CertainTeed Service in San Jose, CA
If your CertainTeed roof is showing granule loss, curled tabs, or a leak you can’t trace, don’t wait for the next storm to make it worse. Call (669) 274-2362 and schedule a free estimate. We’ll walk your roof, give you a written number, and stand behind the work for a full year.
Written by Trevor Nash, Owner at Penhallow Remodeling San Jose, a General Contractor serving San Jose since 2004.
| Service | Price Range |
|---|---|
| Roof Replacement (CertainTeed Landmark) | $9,440 – $23,600 |
| Roof Repair (shingle replacement / valley sealing) | $470 – $2,125 |
| Standing Seam Metal Roof (CertainTeed-compatible) | $17,700 – $47,200 |
Can our techs install CertainTeed Landmark shingles on a low-slope section of my San Jose roof?
Yes, but low-slope sections require different underlayment and sealing than steeper pitches. We’ll assess the slope ratio and recommend the right CertainTeed-compatible ice-and-water shield for that section before we take on the install. Call (669) 274-2362 for a free inspection.
Will a CertainTeed Landmark roof withstand the moss and algae we see on shady north-facing sides in San Jose?
Landmark shingles include algae-resistant copper granules in most color lines, which helps, but no shingle completely prevents moss growth on permanently shaded, damp north-facing slopes. We recommend periodic cleaning and proper ventilation, and we can install zinc or copper strips to slow regrowth.
Our CertainTeed Presidential Shake is curling at the edges. Can just those tabs be replaced?
Often yes, if the curling is isolated to a few tabs. We’ll inspect the nailing strip and surrounding shingles to confirm the rest of the roof is sound. If curling is widespread, we’ll tell you straight that a targeted patch buys time but replacement is the honest call.
How do we handle repeat leaks around skylights on CertainTeed roofs in San Jose?
Leaks around skylights typically come from failed flashing or sealant at the base of the skylight, not the shingles. We remove the flashing, inspect the skylight frame and decking, re-flash with CertainTeed-compatible material, and seal it properly. If the decking is rotted, we repair that before reinstalling. Call (669) 274-2362 for an exact quote.
Does CertainTeed make a metal roofing product that matches their shingle colors?
CertainTeed doesn’t manufacture standing seam metal panels directly, but their shingle color palette coordinates with several metal roofing brands. We install standing seam systems in finishes that match or complement common CertainTeed colors, so the roof reads as one design. Ask us about color matching on your free estimate.
Written by Trevor Nash, Owner at Penhallow Remodeling San Jose, serving San Jose since 2004.


