TEL: (703) 266-6638

FAX: (703) 266-1660

Email: drhawn@worldnet.att.net

Expertise: Roof and waterproofing forensic investigations and failure analysis; warranty issues; insurance issues; construction issues; wind; hail; and water entry damage. All roof and waterproofing types: low slope, steep slope, plaza decks, and sub-grade systems. All building types: commercial, industrial, institutional, and multi-residential. Experienced on a nationwide and international basis. Roof and waterproofing consultation services provided since 1982. Expert testimony provided over the last 18 years. Serves on the Executive Committee of RCI The Institute of Roofing, Waterproofing, and Building Envelope Professionals.