Woodinville, WA Metal Roofing: Professional, High-Quality “Forever Roof” Installation You’ll Wish You Did Sooner

Interlock Metal Roofing (PNW) Inc. is the official installer of the Interlock® Lifetime Metal Roofing System throughout Washington and the greater Pacific Northwest. Trusted in Western Washington since 1997, we specialize in premium, heavy-gauge aluminum roofing engineered to handle the region’s relentless rain, coastal wind, moss growth, and freeze-thaw cycles — all backed by a Lifetime Limited Warranty and our promise: Never Re-Roof Again.® From Seattle and Tacoma to Bellevue, Bellingham, Stanwood, and Vancouver, WA, our factory-trained crews install five architectural Interlock® profiles — Slate, Cedar Shingle, Shake, Mediterranean Tile, and Standing Seam — each finished with the Alunar® Coating System for long-term color retention, corrosion resistance, and energy efficiency. Every Interlock roof is lightweight, non-combustible, and fully solar compatible, offering homeowners a beautiful, sustainable roof designed to last a lifetime in Washington’s demanding climate.