Metal Roofing Grays Harbor County, WA

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Interlock Industries, Inc. is proudly celebrating 25 Years of metal roof installations in Seattle, Washington

Trusted in Albermarle, Ontario Since 1998.

Interlock Industries, Inc. is proudly celebrating 25 Years of service in Grays Harbor County, WA.

Say goodbye to your roofing worries forever with an Interlock Lifetime Roofing System, designed to withstand the demanding weather conditions of Southern Ontario.

Save at least $3250 off an Interlock Lifetime Metal Roofing System

Rest easy knowing that our exclusive Lifetime Limited Warranty is one-time transferable, ensuring your investment is fully protected. Aluminum roofing is the perfect solution for Brant, Ontario weather conditions. Contact us today to learn more about Interlock Lifetime Roofing Systems and how they can benefit your home.

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100% Canadian owned and operated, Interlock Industries (Ont) Inc. is located in Mississauga, Ontario Canada. Our service area: Central Ontario, Eastern Ontario, the Golden Horseshoe, and Southwestern Ontario.

Choose from five durable metal roof profiles, including Slate, Cedar Shingle, Shake, Mediterranean Tile, and Standing Seam. All profiles are available in heavy gauge aluminum and solid copper. With the addition of solar brackets, all our roofing systems are solar-compatible.

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★★★★★

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Industry Partnerships

Interlock Metal Roofing is proud to be members ​with the following roofing industry partners​.

BBB Accredited Business
Metal Roofing Alliance
Guild Quality
Home Stars
Baeumler Approved Roofing Contractor
Interlock Lifetime Roofing Systems WA
Save at least $3250

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Trusted for over 25+ years with thousands of installations across Ontario.

Cedar Shake Roof Tear-Off Replacement
Cape Cod House with Metal Roof Aluminum Shingles
Alunar Coating System logo
CRRC Cool Roof Rating Council rated product

All Interlock Lifetime Metal Roofing Systems are protected with the Alunar® Coating System. The cool roof pigment technology helps reduce heating and cooling costs for your home.

Alunar Coasting System diagram

Interlock’s reflective surface actually reduces your attic's temperature during summertime heat, saving you up to 25% on your cooling costs†.


† As per Cool Roof Rating Council (CRRC) and Oak Ridge National Laboratories (ORNL)

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Common Questions

See some common FAQ's below, or call us Toll-Free 1-866-733-5811

  • What are your business hours?

    Our Mississauga, ON office is open 

    • Monday-Friday 9 AM- 5 PM

    Our crews are available 7 days a week.

    Our Sales Agents are available 7 days a week.


    Please call or inquiry to make an appointment

  • Where is the office located?

    Interlock Industries (Ont) Inc.

    5 – 2800 Argentia Road

    Mississauga, ON Canada

    L5N8L2


    1-866-733-5811 

  • Can I add solar panels to an Interlock Metal Roofing System?

    All our products are solar compatible. Our solar brackets can be installed to house solar crystalline panels.

  • How much does an Interlock Metal Roofing System cost?

    Our product is not an off-the-shelf roofing material. Plus the installation procedures vary from structure to structure. For instance, a home with a 3/12 pitch is easier for our installers to work on therefore labour costs will be less expensive. A home with no valleys, chimneys, skylights, or dormers will also be less expensive. Please contact Marcella for pricing info. 


    Please visit our knowledgebase for more information:

  • Are metal roofs loud?

    Our customers keep telling us that their new Interlock Roof is no noisier than their previous asphalt shingle roof. 


    Please visit our knowledgebase for more information:

  • Do you offer financing?

    Yes! We’ve partnered with Financeit and Simply Financing Group to offer you affordable monthly, bi-weekly and weekly payment options for your purchase. Visit our Financing page for more info.

  • Does a metal roof attract lightning?

    No, a metal roof will not make lightning more likely to strike, but it may make a lightning strike less dangerous if it occurs. A conductive metal roof gives lightning a low-resistance path to the earth.

  • Are metal roofs hot?

    All Interlock Metal Roofs are coated with the Alunar® Coating System. The "Cool Roof" ceramic pigment technology in the coating reflects and emits more of the sun's UV rays from entering the attic space. Interlock Metal Roofing Systems are energy-efficient CRRC rated (Cool Roof Rating Council).

  • Do metal roofs protect against hail?

    All Interlock® Roofs are made from heavy gauge aluminum which has been tested and has surpassed the industry standard measurement for impact resistance: UL 2218 — Standard for Impact Resistance of Prepared Roof Covering Materials.

  • Can you walk on a metal roof?

    While it is safe to walk on, in accordance with manufacturers’ instructions, the low-maintenance Interlock® Roof almost eliminates that need. 

  • What metal is an Interlock Roof made from?

    All Interlock® Roofs are available in heavy gauge aluminum coated with the Alunar Coating System.


    In addition, solid copper is also available in all profiles.

  • Can I install an Interlock Roof myself?

    While some of us enjoy a good DIY project, to keep the integrity of our Lifetime Limited Warranty we only use certified Interlock crews for installation.

  • Is Interlock Roofing available in my area?

    Interlock Lifetime Metal Roofing Systems are available all across Southern Ontario.