All associations or subordinated associations of each country in
Associations applying for EFV membership must have own quality rules and must ensure these rules application will be monitored by independent institutes. The European prefabrication guidelines of EFV have to be abided by the members. Another condition is the willingness to exchange knowledge on an international level.
Associations and institutions close to prefabricated timber-constructions can join the association as a supporting member without a right to vote.