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Never re-roof again. NEVER.

Custom Seattle Metal Roofing Systems

Trusted for decades, Interlock has installed thousands of eco-friendly and energy efficient lifetime roofs in all climate conditions and is especially suited to our rugged weather in the Pacific Northwest

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Learn more about metal roofing

Our lifetime roofing systems are professionally designed to provide an elegant and environmentally safe alternative to common Slate, Shingle, Tile, or Cedar roofing materials.

It’s one of the most tested and approved roofing systems available.

You're protected for life with our exclusive Non-ProRated, 50 Year Transferable Warranty.

Best of all, you’ll never re-roof again. NEVER.

Free Roofing Guide

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Beautiful Metal Roofing Systems built for the Northwest

Metal roofing is often quieter than other roofing materials, including asphalt composition. When installed with solid sheathing it actually reduces noise from hail and rain. Metal roofing is widely respected for it’s hail resistance. Interlock® Roofing passes UL2218 Hail Impact Resistance Test, the industry benchmark.


Interlock® aluminum roofs are built to last, conserve energy, and safeguard the environment. In fact, they’re so durable that the first time you replace your roof with our product, you’ll never have to re-roof again. NEVER.

We make it easy by providing you flexible financing options, an abundant selection of designer styles and colors, and a lifetime transferable warranty. Choosing Interlock lifetime roofing products means less dependence on energy resources, less pollution in your area, and less money out of your pocket over time.

*Additional fasteners may be required to comply with local building codes.

We install Energy Star rated roof systems

Our reflective “Cool Roof” actually helps pay for itself by reducing your energy bills. Depending on your geography, you can save up to 25% on annual air conditioning costs. Cool Roof Coatings can save 25% in Energy Costs compared to a dark-grey asphalt shingle (ORNL, FESC)

energy-star-rated Roofing Shingle

What our customer say about us

  • Gig Harbor Roofing Review ~ Lawrence

    I recently had an Interlock roof system installed on my home the last week of April 2007. I am extremely pleased with my new roof. It looks awesome. The installers had quite a challenge working around the weather that week. They were only off by about 3 hours from the time they said they would finish. That in itself is remarkable considering the heavy rains they had to contend with. They were hard workers and very polite. They cleaned up their gig-harbor-wa-roofing-reviewindustrial mess as well as some of my own winter mess. My experience with Interlock Industries from the initial phone call, to the sales representative as well as the installers was like working with old friends. I would recommend Interlock Industries and their products to anyone without hesitation. I do not make referrals often, because I feel my word of recommendation is a sacred trust. I rate my experience A+ with Interlock. I know I am going to enjoy my new roof for a long time.

    H. Gene Lawrence
    Gig Harbor, WA

  • Seattle Roofing Review ~ Richard

    When my husband Richard said he wanted to put a metal roof on this 1929 English Tudor house, I thought he had gone around the bend, maybe several bends.

    After seeing the pictures and hearing about the features, I started to become a convert. Now that the job is down, I know that we made the right decision for several reasons.

    seattle-wa-roofing-reviewFirst, the black Interlock shingles look so appropriate on this house. In certain lights it even appears to look like slate. Many neighbors and friends have commented on how very attractive it looks,

    Secondly, the workmen did such a professional job. They were meticulous at each step of the process and, we are confident, that their craftsmanship was excellent. Each day that they were here they worked diligently and conscientiously making sure that every step of their work was done to the highest expectations. In addition, they were quiet and tried not to interrupt our daily routine.

    Third, we are most pleased about all the high quality features of the product: the durability, the appearance, and the fact that it is maintenance free.

    Thank you for making the excellent product.

    Sincerely,

    Susan and Richard
    Seattle, Washington

  • Lynnwood Roofing Review ~ Kurin

    We are writing this letter to show our appreciation for the wonderful job that was done on our roof. From the date your company representative met with us in our home to the date of completion, words cannot express how completely satisfied we are with your company, We definitely wanted a quality roof and were very impressed by the representation that was given to us. The product you provide was enough for us to make our decision, however it was a huge plus not to have to deal with a pushy salesman and to have such polite, friendly and hard working men providing the service.

    lynnwood-wa-roofing-reviewIt was a pleasure to have them around our home. The quality, craftsmanship and lifetime warranty of this roof far outweighs the increased costs over other roof systems. However, other roof systems don't come with lifetime warranties and many only last for 8 to 10 years. We may have paid a little more initially, but how wonderful it is to know we will never have to re-roof our home again.

    And in addition to all of the above, it looks so beautiful and has added so much style to our home. I never dreamed a roof could make such a difference. Again, Thank you so much and be sure to know we will highly recommend your company to all of our family and friends.

    Howard and Kurin
    Lynnwood, Washington

A price that fits your needs

If you are looking to finance your Interlock Roofing System, we offer flexible payment plans to suit any budget. We use multiple lending sources that offer the comfort of deferred financing. Secured and unsecured plans are available.

Standing Seam
from $49/ week
Energy Star® rated
Teflon® Surface Protector
Lifetime Limited Warranty
Fully interlocking system
Solar ready
Choose
Slate / Shingle
from $49/ week
Energy Star® rated
Teflon® Surface Protector
Lifetime Limited Warranty
4-way interlocking design
Solar ready
Choose
Shake / Tile
from $49/ week
Energy Star® rated
Teflon® Surface Protector
Lifetime Limited Warranty
2-way interlocking design
Solar ready
Choose

Tell us more about your project and we'll let you know which roofing system would best fit your needs.

Get a roof inspection, it's easy - and free!

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