Endorsements and Testimonials

"This publication is the most comprehensive roofing reference ever compiled and is a MUST for every member's bookshelf."

Klaus H. Thiel
General Manager
Roofing Contractors Association of British Columbia

"A remarkable compilation which could be described as an encyclopedia of our discipline...This work represents the greatest density of roofing science per pound of document that this writer has seen... You will find no better single benchmark."

Lyle D. Hogan, P.E., FCRC
Roofing Consultant
Roof Consultants Institute

"Dr. Laaly...takes full advantage of his diverse experiences as an internationally recognized material scientist and researcher in compiling, editing, and interpreting research and industry data. Dr. Laaly's monumental undertaking should prove useful to a wide range of individuals, namely beginners as well as seasoned professionals and researchers."

Richard L. Fricklas
Technical Director
The Roofing Industry Educational Institute

"It is one of the most comprehensive and well documented texts ever to appear on the American roofing scene...It is indeed a major contribution to the inventory of technical literature of both the domestic and foreign roofing communities."

William C. Cullen & Thomas L. Smith
Director of Research
National Association of Roofing Contractors

"I have just received your magnificent tome on roofing. Many thanks indeed. I shall most certainly introduce your book to the British Flat Roofing Council and the Centre Scientifque et Technique du Batiment (Paris) in the very near future."

Roger L. Bonafont
Research and Development Manager
Bitumen Roofing Products Group
Tarmac Industrial Products Limited

"Your two-volume set is a much-valued addition to the Institute's library."

James P. Cramer, Hon. AIA
Executive Vice President/CEO
American Institute of Architects

"[Your book] is certainly one of a kind in that it brings together essentially every aspect of roofing from basic materials to the finished roof. Your personal sacrifice as well as your dedication to the roofing industry have resulted in a major contribution to the science and technology of roofing."

William C. Cullen
NRCA Research Associate
National Roofing Contractors Association

"[The] two-volume roofing library covers every conceivable roofing topic...This compendium of roofing knowledge would be a welcome addition to your information library."

Marc Dodson
Editor
Western Roofing Insulation and Siding Magazine

"...We are so excited to receive such excellent publications on roofing. As a matter of fact, one of our professors feels that your books are so well-illustrated and comprehensive that he would love to pattern a whole class after your books alone!"

Kathy Demsky
Director
Architecture Resource Center
Andrews University