Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Cambria Roofing: The Palo Alto Owner’s Guide
Cambria roofing systems installed in Palo Alto typically run $8,000-$20,000 for full replacement, with component-level repairs starting at $400. We stock Cambria-compatible underlayment, flashing kits, and ventilation components for same-day installation on most Peninsula jobs. Most Palo Alto homeowners discover a Cambria roofing issue after the first heavy winter rains, when water spots appear on ceiling drywall near valleys or penetrations - the place where Cambria’s interlocking panel design sees the most thermal cycling stress in our dry-summer, wet-winter climate.
Which Cambria Models This Applies To
Cambria’s roofing line breaks into three series that matter for parts matching: the Classic series (discontinued 2019, still common in Old Palo Alto and Professorville rebuilds), the Select series (2016-present, the mid-tier workhorse), and the Reserve series (2020-present, thicker-gauge substrate with integrated radiant barrier). The part number is stamped on the underside of each panel, visible from the attic or by lifting the bottom edge of an exposed-fastener panel - never the top edge, which breaks the seal. Classic series panels are 42 inches wide; Select and Reserve moved to 48 inches, so a partial repair on a mixed roof requires measuring the exposed face, not just counting courses.
We source OEM Cambria components through the manufacturer’s Peninsula distributor in Redwood City, with a three-day lead time on Reserve-series custom colors. For Classic-series repairs, where Cambria no longer stocks original flashing profiles, we fabricate compatible valley and ridge pieces from 24-gauge Kynar-coated steel on our sheet-metal brake - the finish matches within a shade, and the gauge exceeds original spec. Aftermarket underlayment from GCP Applied Technologies (formerly Grace) outperforms Cambria’s original synthetic at a lower per-square cost; we specify it in writing and the customer decides.
Signs Your Cambria Roofing Is Failing

- Lifted or creased panel edges along the south-facing slope. Palo Alto’s 250-plus annual days of sun heat dark Cambria finishes to 170°F, and the expansion-contraction cycle fatigues the fastening flange. We see this first on roofs installed before 2018, when Cambria changed its clip design.
- Granule accumulation in gutters, especially after a Santa Ana wind event. Cambria’s stone-coated steel sheds granules as the acrylic topcoat degrades; heavy loss exposes the galvanized substrate to the salt air that pushes inland from the Bay on westerly afternoons.
- Rust streaks originating at fastener heads or panel overlaps. The factory EPDM washer has a 12-year effective life in our UV index; once it hardens, capillary action draws moisture into the pilot hole. In the Greenmeadow and Midtown neighborhoods, we replace 30-40 washers per roof on inspections.
- Condensation on the underside of roof panels during February fog. Cambria’s tight interlock traps vapor if the original installer skipped the vented nail base or if soffit vents are blocked by attic insulation. The fix is ventilation, not more roofing.
- Sagging between purlins on low-slope sections (below 3:12 pitch). Cambria warranties require solid decking on pitches under 4:12; some Palo Alto Eichler and tract-home additions from the 1970s were roofed over spaced boards to save cost. The panel oil-cans, then cracks at the clip.
Before
AfterReplacement Cost & What’s Included
For Cambria roofing in Palo Alto, our installed pricing follows the ranges below. Every quote is a flat written price with line-item scope before work starts - Clause 1 of the Haven Standard.
| Service | Price Range | Typical Scope |
|---|---|---|
| Cambria panel repair (localized) | $400-$1,800 | Remove damaged courses, replace underlayment as needed, install matching panels, seal penetrations |
| Cambria partial re-roof (one slope/section) | $3,500-$8,500 | Tear-off to decking, inspect and replace compromised substrate, new underlayment, panels, flashing, disposal |
| Cambria full roof replacement | $8,000-$20,000 | Complete tear-off, deck repair, ice-and-water shield at valleys and penetrations, full panel system, ridge vent, permits, inspection |
| Flashing-only replacement (valleys, walls, penetrations) | $1,200-$3,500 | Remove adjacent panels, custom-fabricate and install new flashing, reinstall panels, seal |
What drives the range: deck condition (we find soft OSB on 20% of Palo Alto tear-offs, especially near bathroom vents), access complexity (steep pitches above two stories require scaffolding), and whether the original color is still in production. Cambria’s Coastal Fog and Sierra White have been continuous stock colors; their custom architect palettes rotate every 18 months. We photograph every deck square during tear-off, email the customer the images, and no decking replacement proceeds without a signed change order - the discipline that has kept our roofing jobs within 3% of quote across 4,000-plus projects since 2007. The 365-Day Done Right Promise covers all Cambria roofing work; if a panel lifts or a fastener backs out, we return and fix it.
DIY or Call Us?

A homeowner can safely walk the perimeter with binoculars to spot lifted edges or gutter debris, and can check attic ventilation from inside with a flashlight - look for daylight at the ridge and airflow at the soffits. What you should not do: lift a Cambria panel to inspect underneath (the interlock is easy to distort and hard to reseat watertight), walk a roof over 6:12 pitch without fall protection, or attempt to match and replace panels yourself - the color batching is precise, and a six-month-old panel next to a new one reads as two different roofs in Palo Alto’s sun.
Metal roofing edges are sharp; the cut ends of steel panels will slice through work gloves. More critically, a failed fastener in a load-bearing clip can release a panel in wind. If you’ve found active leaks or more than five lifted panels, call (650) 446-9092. We’ll schedule a free inspection, photograph what we find, and deliver a written price before any tool comes off the truck.
FAQs
Cambria’s stone-coated steel carries a 50-year substrate warranty, but the functional lifespan in Palo Alto’s climate is typically 30-40 years for the original installation and 20-25 years for a repair that integrates new panels with old. The difference is the UV degradation of the acrylic topcoat and the harder-to-seal condition of aged decking. Call (650) 446-9092 for an exact assessment of your roof’s remaining service life - estimates are free.
Localized failures - isolated rust spots, a few lifted panels, or failed flashing at a chimney - can be repaired if the underlying deck is sound and the color is matchable. Once corrosion appears at more than 15% of fastener heads or panel edges show fatigue cracking across multiple slopes, replacement is more cost-effective than chasing leaks. We document both options in writing with prices for each. Call (650) 446-9092 to schedule the inspection.
A localized repair on a single slope takes one crew day, including tear-off, deck inspection, underlayment replacement, and panel installation. A full roof replacement on a 2,500-square-foot Palo Alto home runs four to six working days, weather permitting; we do not install synthetic underlayment in forecast rain. Permits through Palo Alto’s Development Center add three to five business days to the start date, which we handle as part of the flat price.
We stock synthetic underlayment, ice-and-water shield, EPDM fastener washers, and 24-gauge Kynar flashing coil in our Peninsula warehouse. Cambria-specific panel colors and profiles are ordered to match after we measure and photograph your roof; most Select and Reserve colors arrive within three business days from Redwood City. Classic-series panels require custom fabrication, which we complete in-house. Call (650) 446-9092 - we’ll confirm availability for your specific color and series during the free estimate.
Rowan Construction Group Palo Alto is an independent service provider and is not affiliated with Cambria. We also stock and install parts for KraftMaid, Silestone, and Kohler products.
Ready to get a written price on your Cambria roofing repair or replacement? Call (650) 446-9092 to schedule your free estimate. We’ll inspect the roof, photograph what we find, and deliver a flat written price with line-item scope before any work starts - that’s Clause 1 of the Haven Standard, and it’s how we’ve operated since 2007. Measure twice, write it down, then we talk.
Written by Grant Rowan, Owner, Rowan Construction Group Palo Alto at Rowan Construction Group Palo Alto, serving Palo Alto and nearby areas.







Before
After
Before
After
Before
After