1600 Boston-Providence Hwy Walpole, MA 02081
+1 866-956-5888
+1 866-956-5819

ABAA Management Team



Principal – Building Professionals Inc.

Mr. Laverne Dalgleish is the Executive Director of the Air Barrier Association of America (ABAA). As such, he works to champion energy conservation in buildings while educating the building owners and designers about the benefits of energy conservation such as durability, comfort, reduced maintenance, reduced HVAC equipment costs and the positive impact on the environment.

Mr. Dalgleish travels North America on a weekly basis to educate building owners and designers on the benefits of effective and working air barrier systems in buildings. This education mission includes working with standards development organizations, training and education groups, government policy departments, and quality assurance program developers for the construction industry. Mr. Dalgleish is the Secretariat of two ISO Committees, ISO TC61 SC10 Cellular Plastics and ISO TC163 SC3 Thermal Insulation Products. He is also Chair of the ULC Thermal Performance in the Building Environment Standards Committee.

Mr. Dalgleish was the key developer of the ABAA Quality Assurance Program for the installation of air barrier systems in buildings. This program is based on ISO9000 and ISO 12576-2 but brings the ISO requirements together with practical applications for the air barrier industry.



Vice President – Building Professionals Inc.

Ryan Dalgleish is the Vice-President of Building Professionals. He has been involved in the building envelope and building performance areas of construction in both the commercial and residential sectors for close to two decades. Much of Mr. Dalgleish’s time is spent on technology transfer, organizational excellence and education. He has been a trainer, facilitator and performed a number of management roles. He is also involved in research, the development of training curriculum, and helping industries increase their professionalism. Mr. Dalgleish’s background and education has given him strong skills in financial management, market development and planning and association administration.

Mr. Dalgleish has obtained credentials in Adult Education, Leadership and Organizational Excellence. He has also published a number of papers for design and construction magazines and is frequently a speaker at various technical presentations dealing with the building envelope. He currently serves as the president of his local building envelope council and sits on the Board of Directors of the National Building Envelope Council.

He is able to assist with technical questions, association policy and procedures and training initiatives.


Quality Assurance Manager – Building Professionals Inc.

Peter Spafford has been involved in the energy conservation and building performance industry for 14 years. Mr. Spafford has been an instructor in building science and building envelope for the past 10 years and has taught hundreds of installers, building officials and contractors across the country. Mr. Spafford became the national training manager for BPC and oversaw the delivery and facilitation of upwards of 50 training programs a year and coordinated upward of 50 – 70 project managers and instructors in delivering 6 week to 6 month term training programs in energy efficiency. Mr. Spafford has also spent a tremendous amount of time in the field performing 3rd party inspections on behalf of government, quality assurance providers, utilities and warranty programs. Mr. Spafford currently is the quality assurance program manager for BPC. He has been involved in both the development and compliance aspects of the program for a number of initiatives in both the residential and commercial building markets.