
Post-Tensioning
DYWIDAG delivers advanced post-tensioning systems designed to enhance structural capacity, durability and long-term performance. Our expertise spans bonded and unbonded systems, bridge applications, building structures and rehabilitation projects.
Delivering trusted Post-tensioning expertise
With decades of experience delivering advanced post-tensioning systems worldwide, DYWIDAG is a trusted partner for complex bridge, building and infrastructure projects.
Our engineering teams combine system design expertise with precision stressing and quality-controlled installation to ensure reliable load transfer and long-term structural performance. From bonded internal systems to external tendons for rehabilitation, our solutions are designed to perform under demanding structural conditions.
Our post-tensioning systems have been used on major highway bridges, segmental bridge construction, parking structures, commercial buildings and infrastructure strengthening projects. By prioritizing corrosion protection, grouting integrity and lifecycle durability, we help clients reduce structural risk, improve constructability and deliver assets that perform reliably for decades.


Sustained structural performance
Engineering precision
Our in-house specialists design and verify post-tensioning systems to ensure accurate load transfer, controlled stressing and structural reliability.
Advanced system technology
We combine proven anchorage systems, corrosion protection and quality-controlled grouting to enhance tendon durability and long-term protection.
Proven on complex infrastructure
Our systems have been used on highway and railway bridges, segmental construction, parking structures, commercial buildings and rehabilitation projects worldwide.
Designed for lifecycle performance
From new construction to strengthening and tendon replacement, we support assets throughout their service life with performance-focused solutions.
Discover our range of Post-Tensioning Services
Stressing of Post-Tensioning Systems
A safe, efficient, and reliable way to stress and destress tendons, with on-site training options.
Multistrand Tendon Replacement
Specialist expertise and cost-effective solutions to ensure long-term safety and structural integrity.
Monitoring & Survey of Tendons in Existing Structures
Comprehensive monitoring and surveying for safe, reliable post-tensioned structures.
Tendon Installation & Training
Full installation services for complete reassurance, or on-site training for long-term cost savings.
Grouting of Post-Tensioning Systems
Quick and dependable grouting services for peace of mind, with on-site training options.
Discover our range of Post-Tensioning Products
External Unbonded Post-tensioning System Using Wire
Features external tendons with wires, which are specially designed to provide optimal strength and durability.
External Unbonded Post-tensioning System Using Monostrand
Extend the service life of critical structures with minimal disruption.
External Unbonded Post-tensioning System Using Threadbars
Effective solution for strengthening a wide range of construction applications.
External Unbonded Post-tensioning System Using Strand
Efficient strengthening and repair without disrupting the existing structure.
External Monostrand Hoop-tendons
Cost-effective, durable solutions to strengthen circular structures, reducing risk of failure and extending lifespan
Internal Unbonded Post-tensioning System Using Wire
Durable, cost-effective, and corrosion-resistant solution for longitudinal post-tensioning of bridges.
Internal Unbonded Post-tensioning System Using Strand
High-performance solution for improving the structural integrity and load-carrying capacity of concrete structures.
Internal Unbonded Post-tensioning System Using Threadbars
High-performance and reliable solution for infrastructure strengthening and repair.
Internal Unbonded Post-tensioning System Using Monostrand
For superior corrosion protection and flexible installation in constrained spaces.
Bonded Post-tensioning System Using Threadbars
Cost-effective solution for improved structural performance in straight tendon courses.
Bonded Post-tensioning System Using Strand
Versatile solution for reinforcing and enhancing the strength and performance of structures.