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Roof Replacement in Walnut Creek, CA

Walnut Creek Roofers replaces worn roofs before the next winter storm finds the weak spots. A roof replacement means a full tear-off down to the deck, new underlayment, and a shingle system built for hot, dry summers and the strong afternoon winds that push through the East Bay. Call 9255031377 for a free roof estimate.

Tear-off exposes the real condition of your roof deck, and that is usually where the cost changes. We inspect the sheathing, replace rotted plywood or OSB, and check the fascia and soffit before anything new goes down.

Underlayment matters more here than most people expect. Hot, dry summers bake standard roofing felt and tar paper, so we install synthetic underlayment and ice-and-water shield in every valley and along each eave, rake, and drip edge.

Every penetration gets resealed. We replace pipe flashing, apron flashing at the chimney, and boot flashing at the vent boot and skylight, then set the ridge cap, hip, and gable shingles before the ridge vent goes on.

What's Included

  • Full tear-off of the old shingle down to the deck, never an overlay on top of failed material.
  • Decking inspection with rotted plywood and OSB sheathing replaced and back-nailed with ring-shank nails.
  • New synthetic underlayment plus self-adhered ice-and-water shield at every eave and valley.
  • New drip edge, step flashing, counter-flashing, and chimney flashing set in roof cement and mastic.
  • Architectural shingle field course laid in staggered courses over a starter course at the rake.
  • Ridge vent, ridge cap, and pipe boot replacement so attic ventilation and roof deck airflow keep working.
  • Dumpster on site for debris, magnetic nail sweep, and manufacturer warranty registration filed in your name.
  • Signs You Need Roof Replacement

  • Granule loss shows up as grit in the gutter and downspout, leaving bald shingle that UV degradation erodes further.
  • Curling, splitting, or peeling shingle across the field course, plus blister or buckle along the rake.
  • Ceiling stains or a drip after winter rain, a leak that wicks into the decking and returns every season.
  • A soft, spongy rooftop underfoot usually means rot or decay in the sheathing and sometimes the rafters.
  • Sag or corrosion at the gutter line, with end-of-life wear where the surface flakes and the roof has settled.
  • Storm damage from hail or wind uplift, visible as a bruised shingle, dent, tear, or puncture after a squall.
  • Our Roof Replacement Process

  • Roof inspection first. We work the rooftop from a ladder, scaffold, and safety harness, check the deck from the attic side, and photograph every flashing and penetration.
  • Written roof estimate. You get a line-item scope covering materials, squares, decking allowance, permit, and dumpster placement.
  • Tear-off day. We set the dumpster, lay tarps, and strip shingle to the substrate with a roofing shovel and pry bar, pulling exposed fasteners as we go.
  • Decking repair. Rotted sheathing, purlin, and batten come out; new plywood or OSB goes down, back-nailed with ring-shank nails from the nail gun and air compressor.
  • Install. Starter course and field course go on in staggered courses, then valley, step flashing, counterbatten, and ridge vent finish the system.
  • Cleanup. Magnet sweep for nails and screws, sealant and caulk touch-up, debris hauled away, and the manufacturer warranty registered in your name.
  • Why Walnut Creek Chooses Walnut Creek Roofers

    Roof replacement is the one home project where the parts you never see, like flashing and underlayment, decide whether the next storm stays outside.

    First-Class Service

    Certified installers and a meticulous process from inspection to cleanup.

    Premium Materials

    Top-tier products backed by manufacturer and workmanship warranties.

    Long-Lasting Results

    Built to withstand Walnut Creek's climate for decades of protection.

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    Roof Replacement Across Walnut Creek Metro

    Roof replacement work through Walnut Creek Roofers covers the East Bay and Contra Costa County, from the valley floor up toward Mount Diablo and the Las Trampas ridgeline.

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    Recent Roof Replacement Projects in Walnut Creek

    Real work, real roofs — a sample of completed jobs

    Completed roofing project
    Roof replacement project
    New roof installation
    Roof repair completed