Trusted Mill Valley Roofing Experts. Licensed & Insured

GAF Timberline HDZ shingles with StrikeZone nailing area for Class 4 impact resistance rated to UL 2218. We install the full GAF Roof System. Cobra ridge vent, FeltBuster synthetic underlayment, Starter Match starter strip, and Seal-A-Ridge caps. That qualifies your Mill Valley home for the Golden Pledge warranty: 25-year workmanship plus 50-year material.

Step flashing at chimney walls is the number one leak source we see in Mill Valley. Improper step flashing causes roof leaks. It's that simple. We install new step flashing with a chimney cricket for proper water diversion, sealed with Geocel tripolymer sealant. Fix it once, fix it right.

Wind speeds over 60 mph cause shingle tab lift and seal failure. Hail over 1" diameter causes fractures through the shingle mat to the fiberglass reinforcement. Our HAAG-trained inspectors know the difference between cosmetic damage and functional damage. That distinction determines your insurance payout.

Building a new home in Mill Valley? Our crew works directly with your GC or we self-perform. We handle everything from the decking up: underlayment, ventilation design, material installation, and final inspection.

Corrugated metal and R-panel are cost-effective options for barns, detached shops, and covered patios in Mill Valley. We install 29-gauge and 26-gauge corrugated with exposed fasteners using neoprene washer screws. For homes, we recommend 24-gauge standing seam with concealed fasteners. Cleaner look, no exposed fastener maintenance. DaVinci composite shake and slate profiles give you the metal longevity with a traditional California aesthetic.

Owens Corning Duration STORM shingles with triple-layer SureNail reinforcement strip. Rated to 130 mph wind per ASTM D7158. Algae-resistant granules prevent black streaking in humid California climates. We install Duration in the full Owens Corning system for Preferred Protection or Platinum Protection warranty coverage. CertainTeed Landmark PRO with NailTrak technology is our alternative pick for Mill Valley homeowners who want the max warranty tier.

We repair and install flat roofs on Mill Valley homes, garages, commercial buildings, and additions. TPO for reflectivity, EPDM for budget, PVC for chemical resistance near restaurants and kitchens.

Our Mill Valley commercial crews handle everything from small retail strip centers to 50,000 sq ft warehouses. TPO, EPDM, modified bitumen, metal. We're certified installers for all major commercial membrane systems.

We offer aluminum, copper, and steel gutters for Mill Valley homes. Most folks go with .027 gauge seamless aluminum. It's durable, affordable, and comes in 25+ colors. Copper looks amazing but costs 3-4x more.

Our Mill Valley roof inspections cover shingles, flashing, pipe boots, ridge vent, soffit, gutters, and decking condition. You get a written report with photos. If nothing's wrong, we tell you that.

Emergency roof repairs for active water intrusion follow a strict protocol: tarping with reinforced polyethylene sheeting secured to the roof deck, interior water extraction guidance, and temporary flashing at penetrations. Our Mill Valley emergency crews carry 20x30 tarps, 2x4 nailer boards, and masonry anchors for various deck types. Permanent repairs are scheduled within 48-72 hours once materials are sourced.

VELUX FS fixed skylights and VS vented skylights installed with EDL flashing kits for profile roofing. The flashing integrates with your shingle courses per IRC R903.2 weather protection requirements. We cut the opening, frame the curb with doubled 2x lumber, install the skylight with factory sealant, and weave the flashing into the existing shingle field. Leak-proof when done right. And we do it right in Mill Valley.