Generosity begins at home and Drexel Metals’ generosity will help ensure future generations can experience historical Doylestown, Pa., and the Mercer Museum, located about an hour north of Philadelphia. Drexel Metals donated materials to re-roof two buildings, approximately 10,500 square feet of 0.032-inch aluminum, 16-inch DMC 150 SL snap lock standing seam roofing, installed by Economy Roofing of New Britain, Pa.