Interlock has completed 4 metal roofs in Sultan, WA. Local projects span 2 roof profiles (Shingle, Slate) and were installed between 1998 and 2017.
★★★★☆Sultan, WA receives roughly 50–58 inches of annual precipitation and has a short snowy, freeze–thaw season (late Nov–Feb), which promotes persistent roof moisture, moss growth, and occasional ice‑dam risk. We would've purchased Interlock Metal Roofing (PNW) Inc.'s Metal Shingle
— Michael and Barbara D., Sultan, WA · Verified ↗
★☆☆☆☆Interlock Metal Roofing (PNW) Inc — Sultan, WA Metal Shingles: professional, highly skilled crew with clear communication delivering durable metal shingle installations engineered for Sultan’s heavy rainfall and humid, moss‑prone PNW climate, with correct flashing, ventilation, a
— Natascha C. and Patrick M., Sultan, WA · 2017 · Verified ↗
★★★★★Interlock Metal Roofing (PNW) Inc. — Seattle, WA: Two sales reps answered every question, showed deep knowledge of Metal Shingles and roofing in general, and did an excellent job; they also addressed Seattle’s wet, moss-prone conditions—frequent rain and coastal moisture that inc
— Lance T., Seattle, WA · 2026 · Verified ↗
★★★★★— Mustaqim M. and Misba M., Redmond, WA · 2026 · Verified ↗






Join your neighbours with a lifetime Interlock aluminum roof — lightweight, fire-resistant and backed by a lifetime limited warranty.
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