For your waterproof deck, balcony, or flat roof deck and railing needs in the Grass Valley, CA area, please contact us to be connected with a trained and authorized Duradek applicator. Duradek professional applicators will provide you with beautiful, waterproof outdoor living space that comes with the industry’s best warranty. For more than a decade, Duradek of Utah (a division of Dekmax) has been working with local contractors, builders, and designers adding value through outdoor living options. We are the exclusive distributor of Duradek and Durarail in Utah, Southern Idaho, Northern Nevada, and Northern California. For more information contact Matt McClure.