Interlock has completed 6 metal roofs in Durham, ON. Local projects span 3 roof profiles (Shingle, Slate, Cedar Shingle) and were installed between 2002 and 2019.
★★★★★Durham, ON's frequent freeze–thaw cycles and increasing heavy rainfall raise ice‑dam risk and accelerate roof wear and fastener corrosion, stressing shingles and underlayment. Metal Shingles from Interlock Metal Roofing (Ontario) Ltd. shed snow efficiently and resist moisture pen
— Sue R. and Donnie G., Durham, ON · 2019 · 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 ↗
★★★★★Ramara, ON Metal Roofing — We’re so happy with our Interlock roof from Interlock Metal Roofing (Ontario) Ltd.; living lakefront on Lake Simcoe means strong winds and shoreline flooding risk, plus heavy winter snow and freeze–thaw cycles, so a durable metal roof that resists wind
— Rhonda S., Ramara, ON · 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