Welcome to the leading informational site on the post-tensioning
construction method, sponsored by the Post-Tensioning Institute (PTI)-a
nonprofit organization for the advancement of post-tensioned,
prestressed concrete design and construction. PTI represents a
community of businesses and professionals dedicated to expanding
quality post-tensioning applications.
PTI advocates the quality use of post-tensioning by providing education, certification, and codes & standards, as well as promoting the industry and supporting research.