To establish itself as a reference body on lightweight structures;
To collect and disseminate information in the field of its members, encouraging the exchange of information between members and those interested, through publications and the organisation of meetings, seminars and conferences;
To promote the proper application of lightweight structures;
To contribute towards implementation of suitable guidelines for the design, analysis, fabrication, construction and application of lightweight structures;
To encourage research and development in the field;
To maintain links with international institutions and groups to update technology and information;
To promote the services and products of the members; and
To provide educational resources to professionals and students of architecture and engineering.