Interlock has completed 3 metal roofs in Thornbury, ON. Local projects span 2 roof profiles (Slate, Tile) and were installed between 2017 and 2020.
★★★★★— John and Cora L., Thornbury, ON · 2020 · Verified ↗
★★★★★Local roofing factors — heavy lake‑effect snowfall (high snow loads) and repeated winter freeze–thaw cycles/ice dam risk that affect shingle integrity and fasteners in Thornbury, ON. Excerpt (single option): Too early to comment — roof with Metal Shingles installed by Interlock
— Boguslaw and Hanna L., Thornbury, ON · 2017 · Verified ↗
★★★★★Fraserville, ON Metal Roofing — Interlock Metal Roofing (Ontario) Ltd.: Had a great experience — the metal roof looks amazing and is built to shed heavy winter snow loads and resist frequent freeze–thaw cycles common in Fraserville, helping prevent ice dams and long‑term wear.
— Helene M., Fraserville, ON · 2026 · Verified ↗
★★★★★Absolutely thrilled with our new Interlock Metal Roofing (Ontario) Ltd. metal shingles in Kawartha Lakes, ON — the house looks amazing and Roxanne was wonderful to work with. The interlocking metal shingles shed heavy snow and resist frequent freeze–thaw cycles common in the Kawa
— Adriano and Giovanna F., Kawartha Lakes, ON · 2026 · Verified ↗






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