Project MapProject MapInterlock has completed 19 metal roofs in Lake Oswego, OR. Local projects span 6 roof profiles (Slate, Tile, Cedar Shake, Standing Seam, Shingle, Cedar Shingle) and were installed between 1999 and 2026.
★★★★★Local factors: Heavy seasonal rainfall — Lake Oswego averages roughly 40 inches of precipitation yearly, with ~85% falling Oct–May, so roofs stay wet for long periods and require water-tight systems and good drainage. Persistent PNW humidity and shade promote moss/algae growth th
— Yee C., Lake Oswego, OR · 2019 · Verified ↗
★★★★★Skylight above my front door still fogs up in the morning — unlike the other one. Installer said it should clear after the sheetrock is installed; if it doesn’t (common in Lake Oswego, OR’s damp, high‑humidity PNW mornings that cause condensation and can indicate a failed skyligh
— Mike F., Lake Oswego, OR · 2018 · Verified ↗
★★★★★I’ll call Interlock Metal Roofing (PNW) Inc. for Metal Shingles in Lake Oswego, OR—their work is reliable, though I wouldn’t choose this neighborhood again. Given Lake Oswego’s ~40 inches of annual precipitation concentrated in October–May and the area’s damp, shaded conditions t
— David and Michelle P., Lake Oswego, OR · 2017 · Verified ↗
★★★★★Lake Oswego, OR experiences a strong wet season (December peaks around 8.7 in. of rain) and generally cool, humid conditions that promote moss growth on shaded roofs. Lake Oswego, OR — We had a pushed-back start date; that was about it. Membrane scope noted, with scheduling and
— Joe and Natasha S., Lake Oswego, OR · 2017 · Verified ↗
Join your neighbours with a lifetime Interlock aluminum roof — lightweight, fire-resistant and backed by a lifetime limited warranty.
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