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Interlock Metal Roofing Installs in Cornwall, ON

Interlock has completed 60 metal roofs in Cornwall, ON. Local projects span 4 roof profiles (Shingle, Slate, Cedar Shingle, Cedar Shake) and were installed between 1998 and 2024.

60
completed roofs
4
roof profiles
8
colours
1998–2024
years
→ View Cornwall on the interactive map

Roof profiles installed in Cornwall

Shingle
35 completed roofs
Shingle
Slate
18 completed roofs
Slate
Cedar Shingle
6 completed roofs
Cedar Shingle
Cedar Shake
1 completed roof
Cedar Shake

Colours chosen in Cornwall

Colonial BrownCharcoal GreyTile RedTudor BrownHunter GreenBlackTimbertoneForrest Green

Other Ontario communities

Ottawa
537 roofs
Toronto
381 roofs
Mississauga
317 roofs
Scarborough
191 roofs
Brampton
182 roofs
London
175 roofs
Hamilton
166 roofs
Etobicoke
155 roofs
Kitchener
130 roofs
Kingston
101 roofs
Oakville
95 roofs
Barrie
93 roofs
Burlington
82 roofs
Orleans
81 roofs

What customers say in Cornwall, ON

★★★★★

Local factors: heavy winter snowfall and frequent freeze–thaw cycles that stress roofing materials and seals. Local factor: humid summers and moisture influence from the nearby St. Lawrence River that can increase corrosion and moss risk on roofs. Interlock Metal Roofing (Onta

— Derek and Lisa H., Cornwall, ON · 2024 · Verified ↗
★★★★★

Interlock Metal Roofing (Ontario) Ltd — Metal Shingles, Cornwall, ON: I inspected the roof after installation and had to call the crew back because the workmanship was poor — loose fasteners, uneven panels and visible gaps that need correction to prevent leaks, corrosion and ice‑

— Patrick and Julie S., Cornwall, ON · 2024 · Verified ↗
★★★★★

Brad’s exceptional workmanship and eye‑pleasing results made all the difference on our metal roofing project in Cornwall, ON—Interlock Metal Roofing (Ontario) Ltd. delivered quality installation we’re happy to recommend.

— Derek H., Cornwall, ON · 2024
★★★★★

Cornwall, ON has cold, snowy winters with regular freeze–thaw cycles and warm, humid summers with year‑round precipitation—conditions that increase snow loads and encourage moisture‑driven moss and ice issues on roofs. Interlock Metal Roofing (Ontario) Ltd. — Metal Shingles in C

— Daniel G., Cornwall, ON · 2022 · Verified ↗

Recent Interlock projects in Cornwall, ON

Raised ranch brick home in Cornwall ON with a black Interlock aluminum slate hip roof, low pitch, black gutters, and mature fall trees.
Black Interlock slate metal roof on a brick ranch in Cornwall, ON.
Single-storey brick ranch home in Cornwall, ON with a deep charcoal Interlock aluminum slate hip roof, two-car garage, and manicured lawn.
Deep Charcoal aluminum slate roofing on a brick ranch in Cornwall, ON.
Black Interlock aluminum slate metal roof on a single-storey ranch-style brick home in Cornwall, ON, featuring multiple roof louvers and a brick chimney.
Black aluminum slate roof on a classic brick ranch home.
Single-storey brick Colonial home in Cornwall, ON with a hip-style Interlock aluminum slate roof in Deep Charcoal, surrounded by mature trees and manicured landscaping.
Deep Charcoal Interlock Slate roof on a brick ranch, Cornwall, ON.
Interlock Slate roof — Cornwall, ON
Interlock Slate roof — Cornwall, ON
Interlock Slate roof — Cornwall, ON
Interlock Slate roof — Cornwall, ON

Considering a metal roof in Cornwall?

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