Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roof Repair Across Mountain View
If you need Roof Repair in Mountain View, the job almost always starts on the roof but the real work happens in the planning: who shows up, what they protect inside your home, and whether the price you were quoted is the price you’ll pay. That’s how we approach every repair here. We serve Mountain View with crews who know Rex Manor and Crestview ranches, who know what the marine layer does to north-facing shingles, and who know that most older roofs in this city are hiding something under the solar panels. Call (424) 766-4937 and a live person will answer, day or night.
Why Birchbark Roofing Is Mountain View’s Preferred Roof Repair Company
Homeowners in Mountain View don’t just want a roof fixed. They want to know the crew won’t track debris through the hallway, won’t leave nails in the driveway, and won’t surprise them with a second bill after the shingles come off. We get that because we’ve been working in this city long enough to know these homes. A repair in Wagon Wheel with kids and a dog inside is a different job than a repair on an empty flip in Sunnyvale. We plan for both.
Every Birchbark job includes shoe covers at the door, drop cloths through the hallway, and a photo of the completed clean-up before the crew leaves. That’s not a premium add-on. That’s the standard, written into the same document as the price. Erik Lindgren leads our crew with one rule: treat the house like someone still lives there, because someone does.
The 365-Day Done Right Promise backs every repair. If the work isn’t right, we make it right. You’ll see that in writing before anyone picks up a nail gun.
Metal Roof Repair in Mountain View
Metal Roof Repair in Mountain View usually means one of three things: a failed fastener or gasket on a standing-seam panel, corroded flashing at a chimney chase or skylight curb, or damage from a solar removal and reinstall that didn’t seal the penetrations correctly. Mountain View’s marine-layer humidity works against metal in a specific way: exposed screws and drip edge near the bay side of town corrode before the panels themselves show wear, so a leak often traces back to a $4 fastener rather than a failed panel.
Standing-Seam Fastener Replacement
On standing-seam roofs, the most common repair is replacing gasketed fasteners that have dried out and cracked. On older systems, especially on homes in the Rex Manor and Crestview tracts where solar was added early, we also find panel damage where installers drilled through seams without proper gasketing. We replace the fastener, inspect the panel underneath, and reseal with a compatible product rated for coastal humidity.
Flashing and Curb Re-Roofing
Metal roof leaks in Mountain View also come from chimney chases, skylight curbs, and HVAC curbs where the original flashing detail wasn’t built for the shallow 2:12 to 4:12 pitches common on post-war ranches. Water moves slowly on low slopes, so any imperfect lap becomes a standing puddle after a rain. We rebuild the detail with step flashing and counter-flashing, and we replace any corroded curb framing before the metal goes back on.
Mountain View homeowners with metal roofs should budget $420 to $950 for a typical fastener or flashing repair. A larger curb rebuild with decking replacement runs $1,400 to $3,800 depending on scope. You’ll see your exact number in writing before we start.
Commercial Roof Repair in Mountain View
Commercial Roof Repair in Mountain View spans a different building stock than the residential ranch tracts: low-slope office parks along Shoreline Boulevard, retail centers off El Camino Real, and older tilt-up buildings near Moffett. These are mostly modified bitumen, TPO, or built-up gravel roofs, and they share a common failure mode: ponding water around rooftop HVAC curbs and drainage scuppers, compounded by the morning marine layer that keeps flat surfaces wet longer than inland cities like Cupertino or Santa Clara.
Low-Slope Leak Tracing
Commercial flat roof leaks usually present as ceiling stains far from the actual penetration. Water travels along the deck for 10 to 20 feet before it drops. We trace the path with thermal imaging and water testing, then open only the affected area. For Mountain View property managers, that matters because a precise repair keeps tenants open and avoids tearing up a 5,000 square-foot roof for a leak that began at one HVAC curb.
TPO and Modified Bitumen Patches
Most commercial repairs in Mountain View are either heat-welded TPO patches or cold-applied modified bitumen patches around curbs, drains, and parapet walls. We match the existing membrane so the repair bonds correctly, and we replace any wet insulation below, because leaving it in place guarantees the leak comes back under the membrane. Commercial patches here typically run $850 to $2,600 depending on size and access, with full curb rebuilds starting around $4,000. A written quote covers it before any work begins.
Trusted Brands We Service in Mountain View
We work with shingles and membranes from GAF, Atlas, and Tamko on Mountain View jobs. If your existing roof is a discontinued Atlas color or a GAF Timberline run that’s no longer made, we’ll source a close match or recommend a full-slope replacement with an available option. Since we’re part of the Cedarwell family of roofing companies, we can pull materials quickly and coordinate with your solar installer if panels need to come off before we can repair the decking beneath them. You won’t wait weeks for a special order.
Common Roof Repair Problems We See in Mountain View Homes
- Circular decking rot under first-generation solar arrays. East Mountain View tracts like Rex Manor and Crestview got solar early, and many installers used simple butyl tape around lag bolts instead of proper flashing. That tape failed within a decade, trapped moisture, and rotted the plywood in dime-sized circles directly under each penetration. We find this on nearly every solar-equipped 1950s to 1970s ranch we tear back.
- Ponding at valleys and chimney chases on low-pitch roofs. The 2:12 to 4:12 slopes common on post-war ranches in Mountain View don’t move water fast enough at inside corners. Standing water works into 3-tab seams and flashing laps, causing slow leaks that stain ceilings for months before anyone connects the dots.
- Marine-layer moss and algae on north-facing slopes. Homes closer to the bay get a persistent fog layer that keeps shingles damp well into the afternoon during the summer. North-facing slopes grow moss and algae faster than south-facing ones, and the extra moisture accelerates granule loss on 3-tab shingles already past their second cycle.
- Failed HVAC penetration flashing on shallow pitches. Ranch homes in Wagon Wheel and Crestview often have HVAC curbs added decades after construction. The flashing details around those penetrations, done on a 3:12 pitch by someone who doesn’t work low slopes daily, leak within a few years. We rebuild them with proper step flashing and sealant suited to the slope.
Pricing for Roof Repair in Mountain View, CA
Most residential roof repairs in Mountain View fall between $400 and $1,600. A simple shingle replacement or vent boot repair on a single slope runs $350 to $650. Flashing rebuilds around chimneys run $800 to $1,800. The big variable here is what’s underneath: solar panel removal and reinstallation alone adds $600 to $1,400, and if the decking beneath the lag bolts is rotted, budget $150 to $250 per 4×8 sheet replaced. That’s why our quotes always include a written allowance for hidden decking repair, priced per sheet, so you’re never surprised when the tear-back reveals what we already expected. Call (424) 766-4937 for a free estimate with real numbers in writing.
We Also Serve Cities Near Mountain View
We serve Mountain View and the surrounding area, including Los Altos, Sunnyvale, Stanford, and Cupertino. If you live in one of those cities and have a roof that needs attention, the same crew, the same written pricing process, and the same 365-Day Done Right Promise apply. Call (424) 766-4937 and tell us what you’re seeing on your ceiling.
Serving Mountain View, CA - Our Local Coverage Area
We’re based in the Mountain View 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 Repair in Mountain View
Yes. We coordinate the removal and reinstallation of solar panels as part of the repair, working with your solar installer or, in many cases, handling the removal ourselves and scheduling the reinstall once the roof work is complete. In Rex Manor and Crestview, where first-generation arrays are common, we’ve done this on hundreds of homes. The removal is priced in your written quote before we start.
It looks like dime-sized or quarter-sized dark spots in the plywood decking, directly under each lag-bolt penetration. The wood is soft and dark brown or black, often with visible moisture staining radiating outward. First-generation installers used butyl tape that failed within a decade, trapping water against the deck. We replace those sections with new plywood, and we price that as a written line item per sheet.
It can. If the repair is limited to replacing a few shingles or rebuilding a flashing detail, the City of Mountain View generally treats it as maintenance and no permit is required. But if the decking is rotted and structural sheathing needs replacement, or if the repair expands beyond a certain square footage, a permit is triggered and current California Title 24 cool-roof requirements may apply. We’ll tell you before we start whether a permit is needed and what it means for your material choices.
Because Mountain View sits close enough to South San Francisco Bay that the marine layer keeps north-facing slopes damp through the morning fog season for weeks at a stretch. Shingles on those slopes rarely dry fully between morning fog and evening dew, and moss takes hold in that constant dampness. We can remove the moss and treat the slope with a cleaning solution, but the long-term fix is usually replacing those shingles with an algae-resistant product.
We price decking replacement per 4×8 sheet, and that number is written into your original quote as a set allowance. If we open the roof and find rot that wasn’t visible from the attic, we show you a photo, tell you how many sheets need replacing, and you approve the written change order before we cut anything. Most Mountain View solar-era homes need 1 to 4 sheets replaced. You’ll know the per-sheet price before the first nail comes out.
If you’re seeing water stains on a ceiling in Rex Manor, Wagon Wheel, or anywhere else in Mountain View, call (424) 766-4937. A live person answers, and we’ll schedule a free estimate with a written price before any work begins.
Written by Erik Lindgren, Owner at Birchbark Roofing, serving Mountain View and the South Bay.