Understanding ES-1 Testing and Code Requirements  

Mark S. Graham, is the Vice President of Technical Services for the National Roofing Contractors Association (NRCA) in Rosemont, Illinois. He holds a Bachelor of Science degree in Architectural Engineering from the Milwaukee School of Engineering. Mark joined the NRCA in 1993. His responsibilities include developing and implementing the association's technical positions, responding to inquiries for technical assistance, serving as the association's liaison with outside organizations, and developing and maintaining the association's technical publications, including The NRCA Roofing Manual. Mark is an active member of ASTM International serving on several committees, including Committee C16 on Thermal Insulation, Committee D08 on Roofing and Waterproofing and Committee E05 on Fire Standards. He is also an active member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc., International Code Council and National Fire Protection Association (NFPA), serving on NFPA's Committee on Structures, Construction and Materials.