Duradek Northwest is the exclusive distributor of Duradek and Durarail in the Pacific Northwest and Alaska. For projects in the Polson, MT area, please contact us for your deck, balcony, or flat roof deck and railing needs. We will put you in touch with a trained and authorized Duradek applicator who can provide you with beautiful, waterproof outdoor living space that comes with the industry’s best warranty. Since 1994 Duradek Northwest has been the source of Duradek for the Pacific Northwest after branching out from parent company Washington Alaska Roof Systems, Inc. established in 1984. For more information contact Matt Whale.