Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CertainTeed Construction in Sunnyvale, CA | Rowan Construction Group Santa Clara
Rowan Construction Group Santa Clara provides independent CertainTeed sales and service across Sunnyvale, handling everything from Landmark shingle replacement on 1960s ranch homes to full kitchen and bath remodels with AirRenew drywall and Preserve siding. The one thing that makes our CertainTeed work here different: we pair deep product knowledge with daily fluency in Sunnyvale’s specific plan-check process, Title 24 energy compliance, and ADU-by-right permitting rules - the administrative layer that determines whether your project passes inspection or stalls for weeks. Call (669) 259-1843 to schedule your free written estimate.
Why Sunnyvale Residents Choose Us for CertainTeed Service
We’ve been working the Santa Clara Valley since 2007, and Sunnyvale‘s particular mix of housing stock and site conditions keeps us busy year-round. Grant Rowan, our owner, trained in construction technology at Los Angeles Trade-Technical College - reading structural drawings, calculating load paths, learning why shortcuts in framing show up as cracks five winters later. That background shows up in how we scope CertainTeed jobs here: we name the material, state the price, explain the reason, then move on.
Our crews are background-checked and uniformed; a live person answers calls 24/7. Every visit includes a documented photo record as standard, not an upgrade. Under Clause 1 of The Haven Standard, the price is written before anyone starts - a flat number with a written scope and written warranty. We’ve delivered 4,000-plus projects on that system, and our change orders are the exception, not the routine. We source OEM CertainTeed components when warranty or color matching matters, and premium aftermarket flashing, vents, and fasteners when they outperform the factory accessory.
Measure twice, document once, and never assume the last contractor left things square.
Common CertainTeed Construction Problems We Solve in Sunnyvale

- Landmark shingle granule loss and edge curling - Sunnyvale’s 1950s-60s ranch homes frequently lack proper attic ventilation, with no ridge vent and minimal soffit intake. The original roof decks bake from below and saturate from above during the marine-layer season. We replace with Landmark PRO and correct the ventilation path, which is the only way the new shingles will reach their rated lifespan.
- AirRenew drywall surface mold in kitchens and baths - AirRenew’s formaldehyde-absorbing technology works only if the board stays dry. In Sunnyvale, we regularly find bath fans undersized or vented into attics instead of through the roof. The marine layer keeps humidity high enough that mold colonizes the paper face before the gypsum core ever gets a chance to perform.
- Preserve siding rot at the bottom course - Wood-frame walls without proper moisture barriers let ground moisture wick upward. In the Middlefield-Ellis-Whisman corridor, this combines with soil vapor intrusion requirements that demand specific drainage details. Contractors who skip the vapor barrier under the siding or omit the weep screed at the foundation line create hidden rot that shows up as soft spots during a routine inspection.
- Panorama window seal failure in vapor-intrusion zones - The EPA Superfund plumes beneath parts of Sunnyvale require vapor barrier flashing at slab penetrations. When installers skip this detail, moisture reaches the window frame and degrades the insulating glass seal. We’ve replaced Panorama units that failed in under eight years because the rough opening wasn’t detailed correctly for the site condition.
- Title 24 compliance gaps on ADU conversions - Sunnyvale’s ADU-by-right rules are among the most permissive in California, but the energy code still demands specific insulation, window, and air-sealing values. CertainTeed’s VinylSliding windows and SilentGuard gypsum board can hit the numbers, but only if they’re specified and installed with the right assembly details. We see plans approved by the city that still fail HERS verification because the contractor substituted generic materials mid-job.
Before
AfterCertainTeed Service in Sunnyvale: What Local Conditions Mean for Your Equipment
Sunnyvale sits at the dead center of Silicon Valley’s teardown-rebuild cycle. Lots routinely appraise above $1.5M at land value alone, making full demolition and custom new construction on 1950s-60s ranch-home lots far more common here than anywhere 20 miles away. Every construction company operating in Sunnyvale must be fluent in the city’s specific plan-check process, Title 24 energy compliance, and ADU-by-right permitting rules - demand for which has made Sunnyvale one of the highest-volume ADU jurisdictions in California.
Here’s the local factor that shapes our CertainTeed work specifically: Sunnyvale’s alluvial valley floor sits under a high water table, and the city requires vapor-intrusion barriers on new slabs in areas like the Middlefield-Ellis-Whisman corridor. CertainTeed AirRenew drywall and Preserve siding must be installed with enhanced moisture management that goes beyond standard Bay Area practice - a detail that trips up contractors from neighboring Mountain View. The marine layer keeps soil moisture high enough that compaction testing frequently fails in early spring, which compresses foundation and framing schedules and means interior finishes like AirRenew get installed in conditions closer to a humid coastal climate than the inland valleys most people associate with Silicon Valley. We account for this in our sequencing: we don’t hang drywall until the envelope is sealed and conditioned, and we specify vapor-permeable exterior coatings on Preserve siding in low-lying lots where standard practice would trap moisture.
CertainTeed Models & Products We Service in Sunnyvale

We handle the full residential CertainTeed catalog that appears in CertainTeed sales & service across our trades:
- Landmark, Landmark PRO, and Landmark Solaris architectural shingles - repair or full replacement, with ventilation corrections as needed
- Preserve and Cedar Impressions siding - full install, partial repair, and moisture-barrier remediation behind failing courses
- AirRenew and SilentGuard gypsum board - kitchen, bath, and whole-home drywall packages with proper venting coordination
- Panorama and VinylSliding windows - replacement and new-construction install, including vapor-barrier flashing in intrusion zones
We stock OEM CertainTeed shingles, siding, gypsum, and window units locally for fast Sunnyvale turnaround. For accessories - flashing, vents, fasteners, sealants - we source premium aftermarket when the spec outperforms the OEM equivalent. If your existing CertainTeed system is under material warranty, we use factory components to preserve coverage. If color and profile matching matters for a partial repair, we pull from current production runs and verify the lot before we quote.
CertainTeed Service Pricing in Sunnyvale
These are the price ranges we quote for CertainTeed work in Sunnyvale, based on 2024-2025 Santa Clara County material and labor costs. Every project gets a flat written price with a written scope before work starts - no exceptions.
| Service | Price Range |
|---|---|
| Roof Replacement | $8,000-$20,000 |
| Full Kitchen Remodeling | $14,000-$45,000 |
| Bathroom Remodeling | $9,000-$28,000 |
What drives the cost: roof pitch and layer count; kitchen layout changes and plumbing relocation; bathroom size and whether we’re moving walls. A free estimate includes a site visit, measured drawings, material specification with CertainTeed model numbers, and a written scope with line-item pricing. We also offer a Free Second Opinion on any competitor’s written estimate - bring it in and we’ll review it line by line at no charge. Call (669) 259-1843 to schedule.
Serving Sunnyvale, CA - Our Local Coverage Area

We’re based in the Sunnyvale 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 - CertainTeed Construction in Sunnyvale
Yes. Landmark Solaris reflects solar heat with a CoolRoof rating that helps in Sunnyvale’s summer peaks, while the standard Landmark and Landmark PRO lines perform well if the attic ventilation is corrected - which is the real issue on most local ranch homes. We specify Solaris on south-facing pitches and second-story additions where heat buildup is worst. Call (669) 259-1843 and we’ll recommend the right shingle for your roof’s orientation and ventilation condition.
AirRenew works behind sinks and in full kitchens if the ventilation is adequate. On 1950s Sunnyvale ranches, we typically find the original kitchen exhaust is a recirculating fan or a downdraft that’s never been ducted outside. We upgrade to a vented range hood before hanging AirRenew, because the board’s formaldehyde-absorbing technology requires dry conditions to function. Call (669) 259-1843 for a free estimate that includes the ventilation upgrade in the scope.
The Middlefield-Ellis-Whisman corridor and nearby areas require vapor barriers under new slabs and at foundation penetrations. If a roof replacement includes a new bathroom addition or ADU, the slab work must meet these protocols, and the roof flashing must integrate with the vapor barrier detail at walls. We’ve seen contractors miss this and fail inspection. We pull permits, coordinate the details, and pass on the first try. Call (669) 259-1843 to discuss your specific site.
Yes. Preserve siding is available for new install and replacement regardless of ownership history. The warranty transfers to subsequent owners on original installations, but for your new project, you get full material coverage from the install date. We specify Preserve on Sunnyvale ranches where the original redwood or cedar siding has rotted at the bottom course, which is typical on homes without proper moisture barriers. Call (669) 259-1843 for a written quote.
The ordinance streamlines permitting but doesn’t change Title 24 energy requirements. CertainTeed VinylSliding windows and SilentGuard gypsum board can meet the code, but only with the right U-factors, SHGC values, and assembly R-values specified from the start. We handle the HERS verification path as part of our ADU package, so the materials are selected to pass, not just to install. Call (669) 259-1843 for an ADU estimate that includes the full material spec.
Service Areas Near Sunnyvale

We provide Sunnyvale service area coverage across the full city, from Washington Park to the Ponderosa neighborhood and the industrial zones near 101. Our crews also work CertainTeed service in Cupertino to the west and CertainTeed service in Santa Clara to the east, with Campbell, Mountain View, and Los Altos in regular rotation. The same written-price system, same documented photo record, same Haven Standard applies at every address.
Book Your CertainTeed Service in Sunnyvale Today
Call (669) 259-1843 to schedule your free written estimate. We’ll review your CertainTeed system, identify any Sunnyvale-specific site conditions that affect the scope, and deliver a flat price with a written warranty before any work starts. The 365-Day Done Right Promise applies to every project - if it’s not done right, we make it right, backed by The Haven Standard, not a handshake.
Written by Grant Rowan, Owner at Rowan Construction Group Santa Clara, serving Sunnyvale and Santa Clara County since 2007.






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