“DYWIDAG Post-Tensioning Systems have always combined highest safety and reliability standards”

Span Systems International is the exclusive licensee of Dywidag Systems International (DSI) in Thailand.
DSI is a world renowned for reliability and performance, most suitable for all applications in post-tensioned construction. The systems have always combined highest safety and reliability standards with most economical efficiency in their research and development.

Dependable corrosion protection methods of the Dywidag Post-tensioning Systems contribute to the
longevity of modern construction. High fatigue resistance is achieved with optimized material selection
and cautious detailing of all the components especially in their system assembly. The systems comply with the international specifications and recommendations (ASTM, AASHTO, BS, Eurocode,
DIN, Austrian Code, SIA, FIP, fib, EOTA, etc.)