Alberta Roof 8
Alberta Roof 3
Chilliwack BC Canada Standing Seam Roof
Interlock® Cedar Shingles
Colonial Brown
Chilliwack BC Canada Standing Seam Roof
Interlock® Shake
Alberta Roof 5
Alberta Roof 2
Alberta Roof 7
Ottawa Metal Roof
Mansard Roof Metal Shingles
Stone Brick House Metal Shingles
St Panteleimon Greek Orthodox Church Of Markham
previous arrow
next arrow

Metal Roofing Ontario

Welcome to Best Roof

The official Interlock Metal Roofing System installation company in Ontario, Canada.

Interlock Industries (Ont) Inc. has installed thousands of metal roofs over four decades all across Ontario. From Niagara Falls to Toronto, Mississauga to Ottawa. We are one of the largest installers of residential metal roofing systems in Canada. 

Your home is one of your most valuable investments. Interlock® Metal Roofing Systems will help you protect it for a lifetime. When you choose Interlock, you get the best of everything – the best installation, products, warranty, and on the spot financing.

Guildquality Member

Overall Rating / 50 Total Testimonials



Out of 5 Stars
View Testimonials

Ontario’s Best Roof

Interlock® Metal Roofing Systems

Choose from five durable aluminum roofing profiles including: Slate, Cedar Shingle, ShakeMediterranean Tile, and Mechanical-Lock Standing Seam. All profiles are available in Solid Copper. With the addition of solar brackets, all our roofing systems are solar compatible .

The Last Roof You Will Ever Need


What our customers are saying

  • Lifetime Limited Warranty
  • Energy Star® Rated
  • CRRC – Cool Roof Rating Council Rated
  • Energy Star® Rated
  • Curbside Appeal
  • Wind and Hail Resistant
  • Low Maintenance
  • Lightweight
  • Superior Strength / Durability
  • Protected by Alunar® Coating System embedded with TEFLON™ Surface Protector
  • Non-combustible “Class A” Fire Rated available

Proudly Made in Canada
Interlock Logo Login

Interlock Industries (Ont) Inc.
#5 – 2800 Argentia Road, Mississauga, ON L5N8L2

We Install and Finance

Barrie, Belleville, Brampton, Brant, Brantford, Brockville, Burlington, Cambridge, Caledon, Clarence-Rockland, Cornwall, Guelph, Haldimand County, Hamilton, Kawartha Lakes, Kingston, Kitchener, London, Markham, Mississauga, Niagara Falls, Norfolk County, Orillia, Oshawa, Ottawa, Owen Sound, Peterborough, Pickering, Port Colborne, Prince Edward County, Quinte West, Sarnia, St. Catharines, St. Thomas, Stratford, Thorold, Toronto, Vaughan, Waterloo, Welland, Windsor, Woodstock

Interlock Roofing Job Sign