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  • Gast Construction Co
    Gast Construction Co
    (410) 335-4200
    11100 Pulaski Hwy, 21162  White Marsh

  • DryTech
    DryTech
    (240) 547-2447
    11600 Crossroads Circle Suite H, 21220  White Marsh

    GAF is the North America’s largest manufacturer of quality roofing materials and has been producing roofing products since 1886. Over the past 125+ years, they have won countless awards for the quality of their products and their commitment to helping local roofers like DryTech Roofing to provide h…