Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Installation Across Highlands
Roof installation in Highlands, CA comes down to one thing: meeting the Wildland-Urban Interface fire code while building a roof that holds up to Santa Ana winds and triple-digit foothill summers. A full tear-off and reroof on a typical mid-century Highlands home runs $14,000 to $26,000, with Class A fire-rated materials required by local code. We know the specific requirements Highlands inspectors enforce, because as a Roofing Company - Highlands we work here constantly. Call (743) 200-8347 for a written estimate before any work begins.
Highlands sits at the base of the San Bernardino Mountains, and that location shapes every roof we install. The housing stock is mostly 1950s through 1970s tract homes, many still carrying their original low-slope roofs. Those old tar-and-gravel systems were never designed for today’s WUI code, and they show it. We tear off, repair what’s underneath, and install roofing that passes inspection the first time.
When you call us about Roof Installation, a live person answers. Not a voicemail. Not a callback form. You’ll get a written price before any work starts, and the technician who shows up will have sent their name and photo ahead of time. They’ll badged at the door with a photo ID. That’s the Threshold Standard, and it’s how we’ve worked here since 2000.
Why Mercer Roofing Is Highlands’s Preferred Roof Installation Company
Homeowners in Highlands call us because we understand what the WUI zone actually means for their roof. Class A fire-rated materials aren’t optional here. Ember-resistance standards are stricter than what valley cities like San Bernardino or Riverside enforce. We install assemblies that meet those codes and satisfy post-fire-season insurance reassessments. When your insurer flags your non-Class-A roof as uninsurable, we’re the crew that fixes it.
Grant Whitlock leads our roofing teams across Highlands. He’s walked more Del Rosa, San Andreas, and Mountain Home Village roofs than most contractors will see in a decade. That matters when you’re dealing with low-slope tar-and-gravel systems that hide decking rot and undersized framing underneath. We price the known scope in writing, and any surprise found during tear-off gets priced and approved before we touch it.
The 365-Day Done Right Promise covers every installation we do here. If it’s not right within a year, we make it right. That’s a written guarantee, not a handshake. And every repair we make along the way carries the same written guarantee with a free second visit if something fails. That’s the standard for Roof Installation in Highlands as far as we’re concerned.
We carry full stock of GAF, CertainTeed, and Owens Corning architectural shingles rated for 130 mph wind uplift. Highlands sees Santa Ana events funneling through the mountain passes above the community, and improperly nailed shingles tear off. We nail to manufacturer spec, every course, every time.
Roof Ventilation in Highlands
Roof Ventilation in Highlands means managing attic heat that hits 140 degrees in August while cool mountain-influenced nights drop temperatures 30 degrees or more. That thermal cycling bakes shingles from above and cooks the attic from below. Without proper intake and exhaust ventilation, shingles crack, sealant fails early, and your cooling bill climbs. A full ventilation retrofit on a Highlands home typically runs $800 to $2,200 depending on attic size and current venting configuration.
Ridge and Soffit Venting for Foothills Heat
Most 1960s tract homes here were built with zero or one static vent. That’s not enough for a 1,200-square-foot attic under triple-digit sun. We install balanced soffit intake and ridge exhaust, sized to a 1:150 ventilation ratio.
When we tear off an old roof in the San Andreas area, we often find existing gable vents that fight with ridge vents. Improper mixing creates short-circuiting. We close off or rebalance as part of the roof installation.
Powered Exhaust for Low-Slope Homes
Low-pitched roofs common in Del Rosa leave less stack height for passive airflow. We sometimes add solar-powered exhaust fans that move 900 to 1,200 CFM without adding to your electric bill.
Ventilation gets priced into your written quote before work starts. Nothing added without your signature.
Roof Flashing Installation in Highlands
Roof Flashing Installation in Highlands means sealing every penetration, valley, and transition against the one-two punch of wind-driven rain and ember cast. Flashing failures are the number one leak source on mid-century homes here. Replacing flashing during a full roof installation in Highlands typically runs $1,500 to $4,500 depending on chimney count, skylights, and valley length. The flashing itself is cheap. The labor to detail it correctly is what you’re paying for.
Valley Metal for Foothills Rainfall
The foothills catch heavier bursts than the valley floor. Open-valley metal with a W-seam holds up better than woven shingle valleys here, especially when debris from slopes washes down. We install 26-gauge galvalume and inspect every valley for dry rot underneath before sealing.
On that Del Rosa project we mentioned, the old tar-and-gravel had no ice and water shield in the valleys at all. Just felt paper. That’s a leak waiting for the first good storm. We add self-adhered membrane along every valley and eave to WUI code.
Pipe Boots and Chimney Counter-Flashing
Plumbing stacks and B-vent pipes on older Highlands homes often have cracked neoprene boots. We replace every boot during a reroof, not patch. Chimney counter-flashing gets step-flashed and sealed with high-temp sealant rated for direct ember contact.
Santa Ana winds find loose flashing. Everything gets mechanically fastened, not just caulked.
Trusted Brands We Service in Highlands
We install GAF Timberline HDZ, CertainTeed Landmark, and Owens Corning Duration shingles on homes across Highlands. These are the manufacturer-recognized lines we trust for Class A fire ratings, 130 mph wind resistance, and warranty support that actually pays out. For foothills conditions, we favor shingles with polymer-modified asphalt because they flex through thermal cycling better than oxidized mats. We keep common colors in stock locally so Highlands customers don’t wait on special orders. If your insurer requires a specific brand after a WUI reassessment, we’ll price it exactly.
Common Roof Installation Problems We See in Highlands Homes
- Class A non-compliance flagged by insurers. After any significant foothill fire season, we get a surge of calls from Highlands homeowners who discover their original shingle or tar-and-gravel roof no longer satisfies insurance underwriting. These are often emergency reroofs with tight timelines, and we handle them with same written-price discipline as every other job.
- Deteriorated decking under old tar-and-gravel. Built-up roofs from the 1950s and 1960s hide rotted plywood and failed underlayment. We find it during tear-off, price the replacement in writing, and get approval before proceeding.
- Undersized framing that won’t meet current snow and wind load. Mountain-adjacent Highland homes sometimes carry rafters sized for 1960s code, not today’s. When we find inadequate framing, we sister it. That cost gets written up and approved before we nail the first replacement rafter.
- Missing ice and water shield at valleys and eaves. Homes that were originally tar-and-gravel often have none. We install self-adhered membrane as a matter of WUI-compliant practice on every low-slope reroof here.
Pricing for Roof Installation in Highlands, CA
A full tear-off and reroof in Highlands runs $14,000 to $26,000 for a typical 1,200 to 2,200-square-foot home. Architectural shingle systems land at the lower end; standing seam metal at the upper. Roof ventilation adds $800 to $2,200. Flashing replacement adds $1,500 to $4,500. The big variable is what we find underneath: rotted decking, undersized framing, or failed waterproofing all add cost, but none of it gets charged without a written change order and your signature first. We’re pricing the known scope up front. The free estimate is exactly that. Call (743) 200-8347 to schedule yours.
We Also Serve Cities Near Highlands
Beyond Highlands, our crews cover Los Angeles, San Diego, San Jose, and San Francisco. The same written-price guarantee and Threshold Verified technician standard applies on every roof we touch, whether it’s a foothills reroof here or a coastal install further out. If you’re in one of those cities and need a Class A roof installed right, Highlands homeowners often send us their family’s way.
Serving Highlands, CA - Our Local Coverage Area
We’re based in the Highlands 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 About Roof Installation in Highlands
Yes. Highlands sits inside the Wildland-Urban Interface zone, so local building code requires Class A fire-rated roofing materials and ember-resistant details like continuous soffit venting with fine mesh and self-adhered membrane at eaves. We install these as standard on every reroof here, not as an upgrade. Call (743) 200-8347 for a written quote on a WUI-compliant assembly.
We price it in writing and get your approval before we proceed. Damaged decking gets cut out and replaced. Outdated electrical boxes or rot-damaged framing get pointed out and priced as a separate line item. You approve, we do the work. You don’t approve, we stop at the original scope. Nothing hidden, no change orders without your signature.
Triple-digit summer days followed by cooler mountain nights stress roofing materials faster than flat valley locations. We use polymer-modified shingles from GAF, CertainTeed, and Owens Corning that flex through expansion and contraction without cracking. We also build ventilation that keeps the attic within 10 degrees of outside air, which extends shingle life and keeps your house livable in August.
Yes. Post-WUI reassessments that flag non-Class-A roofs are a recurring issue here, and we install assemblies specifically designed to clear that hurdle. We’ll give you a written scope with all material ratings listed so you can send it straight to your underwriter. Insurance-driven reroofs are common enough in Highlands that we keep the lead times short on common materials.
We recommend balanced ridge-and-soffit ventilation sized to a 1:150 ratio for most mid-century tract homes, with powered exhaust for low-slope roofs that can’t generate enough passive stack. For flashing, we install 26-gauge valley metal and replace every pipe boot and chimney counter-flashing with mechanically fastened, ember-rated sealing. Each gets priced into your written estimate before we tear off anything.
Ready to stop worrying about what your roof is going to look like to an insurance adjuster? Call (743) 200-8347 today and ask for Grant Whitlock. We’ll send a technician whose name and photo you’ll have before they arrive. They’ll badge at your door. You’ll get a written price before any work starts. That’s how roof installation in Highlands should work.
Written by Grant Whitlock, Owner at Mercer Roofing, serving Highlands and surrounding foothill communities since 2000.