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Never Re-Roof Again.
Your home is one of your most valuable investments. Canada's Best Roof, the Interlock® Metal Roofing System 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.
Interlock Industries (Ont) Inc., is the official installer of the Interlock Lifetime Metal Roofing System in Ontario. Maritime Permanent Roofing Ltd., is the official installer in Atlantic Canada.
About Us
“The best part is knowing that our roof will continue to look great for many, many years – long after conventional asphalt shingles would be cracking, curling, fading, streaking and collecting mold and mildew.”
Byron and Teresa
Interlock metal roofs are so durable, that when you use our product, the first time you replace your roof will also be your last. Interlock Lifetime Roofing Systems are a great choice for your home and our environment.
The Last Roof You Will Ever Need
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Interlock Roofing is proud to be associated with the following associations:
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Interlock Industries (Ont) Inc.
Unit 5 - 2800 Argentia Road
Mississauga, ON L5N 8L2
Time for a
Metal Roof?
Interlock® Slate
Interlock® Cedar Shingles
Interlock® Shake
Interlock® Tile
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The Last Roof You Will Ever Need
©2017 Interlock Industries (Ont) Inc., Maritime Permanent Roofing Ltd. All rights reserved.
Interlock® Standing Seam
Maritime Permanent Roofing Ltd.
Unit 105, 101 Thornhill Dr.
Dartmouth, NS B3B 1S2
In Ontario, a proceed from each Interlock Roof sold in Ontario is donated to the SickKids Children's Hospital Foundation. In the Maritimes, a proceed from each Interlock Roof sold is donated to the IWK Foundation.
The "Interlock" refers to the manner in which the aluminum slate and shingle roofing tiles are installed.
All four sides are interlocked to form an extremely strong roofing system that resists all kinds of extreme weather conditions, including high winds, sun belt exposure, driving snow, and heavy rains.