Serving the

Greater Northwest Region

We are a Union Contractor offering roofing, waterproofing and coatings services to the Greater Northwest Region of Washington State.

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GCI Identity Gold

Quick & Timely Service

We are a Small Union Roofing Company. Our mission is to provide quality and timely service at an affordable rate. Our team has nearly a combined 100 years of experience in the roofing industry from waterproofing basements to rooftop repairs and everything in between. Our company differs from large organization’s because we don’t want you to get lost in the shuffle, long waits for estimates, unanswered phone calls or months out for installation of your new roofing system. We have quick and timely turnarounds so we can keep you dry during the wettest of the northwest winters.

Feel Confident

Working With GCI LLC

The staff and employees have all passed background checks and we are a drug-free company. We are members of the roofing contractors association of Washington and we follow all the specified guidelines on installing new roofing systems correctly. No short cuts or poor roofing practices tolerated here. All our roofing, waterproofing and coating systems get a 2-year labour warranty as well as a manufacturers warranty.

Our Work

Our Services

We are a commercial Residential roofing company specializing in below grade waterproofing, coating/sealing decks, high vehicle/pedestrian traffic coatings, Restoration of existing BUR, EPDM, PVC, TorchDown roofing systems extending the life of them for up to 20 years.


We offer restoration of existing roof systems, resulting in an extended life of up to 20 years. Permanent repairs for leaking roofs, decks and below grade are offered as well.

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Offering waterproofing on the following: below grade, decks, balconies, plaza decks, parking garages, roofing, CMU walls or just about anything that may need to be watertight.

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Coating services for pedestrian, vehicle high traffic coating, decks, roofs, temporary repairs, permanent repairs and more! Ask us for more details.

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Ready to Get Started?

Reach out to us for a free estimate today.

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