Interlock Metal Roofing — Completed Project Map

This interactive map documents 32,428 completed Interlock Metal Roofing installations across 27 provinces and states in Canada and the United States, installed between 1984 and 2026. Every point is a real roof installed by a Certified Interlock Installer. Interlock manufactures premium lifetime aluminum metal roofing — lightweight, fire-resistant, wind- and hail-rated and backed by a lifetime limited warranty ("Never Re-Roof Again"). Filter real projects by roof profile (Shingle, Slate, Cedar Shingle, Cedar Shake, Tile and Standing Seam), colour, province or state, and year of completion. Locations are shown at city level only; no customer details are published. Contact Interlock at 1-866-780-8247.

Most-installed roof profiles

• Shingle — 14,599 installed
• Slate — 13,447 installed
• Cedar Shingle — 1,438 installed
• Tile — 1,395 installed
• Cedar Shake — 1,064 installed
• Standing Seam — 485 installed

Largest markets

• Ontario — 8,500 roofs
• Nova Scotia — 3,696 roofs
• Alberta — 3,473 roofs
• Washington — 3,089 roofs
• Massachusetts — 2,771 roofs
• British Columbia — 2,176 roofs

Frequently asked questions

How many Interlock roofs have been installed?

Interlock has 32,428 documented metal roofing installations across Canada and the United States, completed between 1984 and 2026.

What metal roofing profiles does Interlock make?

Six aluminum profiles: Shingle, Slate, Cedar Shingle, Cedar Shake, Tile and Standing Seam.

How long does an Interlock metal roof last?

Interlock aluminum roofing is a lifetime system backed by a lifetime limited warranty — it is designed to be the last roof you install.

How do I get a quote?

Call Interlock at 1-866-780-8247 for a free, no-obligation metal roofing quote, or find completed projects near you.

How this project data is compiled