Wm. M. Dunleavy Roofing & Co. Inc. is a fourth generation, family owned roofing business, well known for decades in and around Chester County, Pennsylvania for providing top quality roof work. Our roof technicians, leading every job, average over 35 years experience. From historical roof preservation, to residential and commercial re-roofing, to maintenance and preservation, this vast experience pays off for our customers.     In 2011 our company was awarded for professional workmanship by the Pennsylvania Senate for our renovation of the historic Lincoln Building which was constructed in 1833. Wm. Dunleavy Roofing also received the Grand Jury Award in 2010 from the Philadelphia Preservation Alliance for our preservation work on the historic Rose Valley Farm.