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GAF Construction in Lexington Hills, CA | San Bruno Construction
We provide independent GAF roof installation, repair, and replacement across Lexington Hills, from full Timberline HDZ re-roofs to storm-damage repairs and standing seam metal upgrades. The thing that separates our GAF work here is simple: every installation is pre-checked against Cal Fire Chapter 7A ignition-resistant requirements before the first shingle goes down, because in Lexington Hills the county fire-safe clearance inspection often carries more weight than the building department review itself. As a full-scope general contractor led by Noel Carvalho, we coordinate every trade on the roof, from tear-off through final inspection, under one contract and one point of accountability. Call (866) 472-1908 to schedule a free estimate.
Why Lexington Hills Residents Choose Us for GAF Service
We have installed and repaired GAF roofing systems across the Santa Cruz Mountains for over a decade, and we know how the fire code here changes what gets put on a roof. Lexington Hills sits in a wildland-urban interface zone, so a roof is not just a roof. It is the first line of defense when an ember storm rolls through, and the materials and detailing we spec reflect that. We source GAF OEM accessories like ridge caps, starter strips, and approved underlayments whenever they are available, and we only use aftermarket components where they meet or exceed GAF specifications for WUI ignition resistance. Noel grew up off El Camino Real in San Bruno and trained in construction technology at Skyline College, where he learned to read plans and understand load paths before a single tool came out of the truck. That is how we approach every Lexington Hills roof: think through the fire clearance, the slope, the exposure, then build it right.
Styles & brands we work with







Common GAF Construction Problems We Solve in Lexington Hills
- Wind-driven rain and debris intrusion at valleys and penetrations on aging Timberline installations. Lexington Hills ridgelines catch storms from the Pacific with nothing to slow the wind down. Older GAF systems here routinely fail at valley intersections and pipe boots long before the field shingles give out, because the sealant dried out and the flashing lost its grip. We replace the failed underlayment and re-detail the valley with WUI-rated edge metal.
- Premature granule loss and accelerated weathering on south-facing slopes. The intense summer UV and heat cycling common in the Santa Cruz Mountains bake south-facing GAF roofs hard. We regularly see Timberline HDZ shingles scoured down to the mat on those exposures. The fix is not always a full tear-off; if the roof deck is sound, selective section replacement matched to the existing shingle gets you several more fire seasons.
- Cracking and seal failure of standard underlayments on older GAF systems. Homes here are mostly older redwood-and-cedar cabins and ranch-style builds, many with original roofing that never had the underlayment upgraded. On steep, wooded lots, a failed underlayment lets water track under the shingles and into the sheathing. We pull the failed section and lay a WUI-rated replacement before reinstalling the GAF shingles.
- Ice-dam and moisture damage at eaves and valleys where original GAF installations lack proper edge metal. Winter storms bring cold snaps that freeze and thaw at the roof edge. Where the original installer skipped proper drip edge and WUI-compliant flashing, water backs up under the shingles and rots the fascia. We rebuild the eave detail with ignition-resistant metal and get the water moving off the roof again.
- Lifted ridge caps and torn shingles after Santa Cruz Mountains winter storms. High wind tears loose ridge caps and whole shingles, especially on exposed south-facing roofs. After the storm passes, we strip the damaged section, replace the failed underlayment, install new GAF ridge cap and starter strip, and match the existing shingles so the repair blends invisibly.
GAF Service in Lexington Hills: What Local Conditions Mean for Your Roof
In Lexington Hills, the county fire-safe clearance inspection, not the building department, is often the real gatekeeper on a roofing permit. That is a specific, checkable fact, and it shapes everything about how we do GAF work here. Before a single shingle gets nailed down, we pre-check the roof covering and every edge detail against Cal Fire Chapter 7A ignition-resistant requirements, because if the fire inspector does not sign off, you do not get your final approval, no matter how clean the roof looks. This is different from working down the hill in Los Gatos or Campbell, where standard zoning and building code drive the process. Up here among the redwoods and madrones off Summit Road and Old Santa Cruz Highway, the defensible-space review and ignition-resistant materials list come first. We have walked more than one Lexington Hills homeowner through a re-roof where the building department stamped the plans quickly, then the fire-safe clearance took three weeks and a pile of edge-metal documentation. Knowing that ahead of time saves clients a lot of wasted time.
GAF Models & Products We Service in Lexington Hills
Our crews work on the full range of residential GAF product lines, including Timberline HDZ, Timberline UHDZ, and Grand Sequoia shingles, plus EverGuard TPO for any low-slope sections found on additions and detached structures. For Lexington Hills specifically, we keep GAF OEM ridge caps, starter strips, and WUI-rated underlayments stocked locally so a repair does not wait on a distribution center in San Jose. When a shingle line has been discontinued, we match the replacement as closely as the current GAF catalog allows and tell you honestly if a full re-roof makes more sense than a patch. See our full GAF sales & service page for the broader product lineup we handle.
See the difference
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AfterGAF Service Pricing in Lexington Hills
| Service | Typical Range |
|---|---|
| Roof Replacement | $8,000 – $20,000 |
| Roof Repair | $400 – $1,800 |
| Standing Seam Metal Roof | $15,000 – $40,000 |
The biggest cost drivers in Lexington Hills are roof pitch, the amount of rotted sheathing discovered during tear-off, and whether the existing edge metal meets current WUI ignition-resistance standards. A roof with easy access and clean decking lands at the lower end of the range. A steep, wooded lot with multiple valleys, a skylight, and non-compliant flashing lands at the upper end. When you call, we will walk the roof with you and explain exactly what we see.
Serving Lexington Hills, CA — Our Local Coverage Area
We’re based in the Lexington Hills area and know this community well, and we also provide GAF in Los Gatos. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – GAF Construction in Lexington Hills
No. GAF shingles provide good ignition resistance when installed as part of a complete Chapter 7A-compliant assembly, but the roof covering alone does not satisfy Cal Fire’s requirements. Edge metal, underlayment, and vent detailing all have to meet WUI standards, and the county fire-safe clearance inspection verifies those details. We pre-check every GAF installation against the full Chapter 7A checklist, so there are no surprises at inspection, whether it’s GAF repair in Monte Sereno or here in Lexington Hills. Call (866) 472-1908 and we can walk you through what the inspector will look for.
In most cases, yes. If the roof deck is sound and the damage is confined to specific sections, such as lifted ridge caps, torn shingles on a south-facing slope, or a failed valley, we repair those areas and match the existing Timberline HDZ or UHDZ shingles. If the underlayment is failing across the whole roof or the sheathing is compromised, we will tell you honestly that a replacement is the better use of your money. Estimates are free, so call (866) 472-1908 and we will give you a straight repair-versus-replace assessment, including for GAF service in Cambrian Park.
The fire-safe clearance inspection is a separate step from the standard building inspection, and it can add time to a project that down-the-hill cities do not have. We schedule the fire inspector as early as the process allows, document every WUI-compliant detail, and keep the job moving so the inspection does not idle the crew for weeks. We have worked through this sequence many times on Lexington Hills permits and know what the inspector’s office wants to see.
Yes, standing seam metal is among the strongest options for wildland-urban interface compliance. It carries a Class A fire rating, resists ember penetration at the seams, and holds up to the wind exposure you find on Lexington Hills ridgelines. We install standing seam systems in the $15,000 to $40,000 range depending on roof size and complexity. Call (866) 472-1908 and we will price it for your specific roof.
Get water stopped from doing more damage. Put a bucket or tarp where practical, avoid walking the wet roof, and call us at (866) 472-1908. We can usually get a crew to your roof quickly after major storms, and storm-damage repair is one of our core services, along with GAF service in Scotts Valley. We will find the entry point, explain what failed, and give you a written repair scope before any work starts.
Service Areas Near Lexington Hills
We serve the full Santa Cruz Mountains corridor and the Peninsula side. For roofing work near Lexington Hills, see our pages for GAF service in Lompico and GAF service in Ben Lomond. We also work in San Bruno, South San Francisco, Millbrae, Brisbane, Burlingame, and Colma. Our full Lexington Hills service area details everywhere our crews cover.
Book Your GAF Service in Lexington Hills Today
If your GAF roof is showing its age, leaking, or was damaged by the last storm, call (866) 472-1908 to schedule your free estimate. We will walk the roof with you, explain what we see, and give you a written line-item quote before any work begins.
Written by Noel Carvalho, Owner at San Bruno Construction, serving Lexington Hills and the surrounding Santa Cruz Mountains since 2004.