Interlock has completed 2 metal roofs in Corvalis, OR. Local projects span 2 roof profiles (Tile, Cedar Shingle) in 2019.
★★★★★Local roofing factors: wet, overcast winters with ~43 in annual rainfall concentrated Nov–Mar (promotes prolonged roof moisture) and mild, dry summers—conditions that favor moss growth and require moisture-resistant materials. Interlock Metal Roofing (PNW) Inc. — Corvallis, OR:
— Stephen and Nikki L., Corvalis, OR · 2019 · Verified ↗
★★★★★Waiting until next year to replace the roof makes sense given Hillsboro, OR’s wet PNW climate—average annual precipitation around 38 inches and persistent damp winters lead to prolonged roof moisture and moss growth that can shorten shingle life. Still interested in Interlock Met
— Jim S., Hillsboro, OR · 2026 · Verified ↗
★★★★★— Christopher S., Portland, OR · 2026 · Verified ↗
★★★★★Interlock Metal Roofing (PNW) Inc. in Keizer, OR gave an excellent, highly informative presentation on their Metal Shingles; we loved the product but decided it wasn’t cost-effective since we’ll move within 10 years—we would have installed it if staying 20–30 years. In Keizer’s w
— Doug and Tina S., Keizer, OR · 2026 · Verified ↗






Join your neighbours with a lifetime Interlock aluminum roof — lightweight, fire-resistant and backed by a lifetime limited warranty.
Call 1-866-780-8247 for a free quote