Duradek MidAtlantic is the exclusive distributor of Duradek and Durarail in the MidAtlantic region. For projects in the Mt. Airy, MD 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 beautifully waterproofed outdoor living space that comes with the industry’s best warranty. Since 1994 Duradek MidAtlantic has grown from a single installation company to North America’s largest Duradek distributor with a network of installers across four states.