Employment of corrosion-resistant reinforcement represents a widely-recognized effective strategy to ensure long-term durability of Reinforced Concrete (RC) and prestressed concrete (PC) structures. Fiber-Reinforced Polymer (FRP) composites are a reliable non-metallic solution, able to ensure both the required mechanical properties and corrosion resistance. Among composites, Carbon FRP (CFRP) has historically been the preferred solution for prestressed concrete applications. Nevertheless, the high cost of carbon fiber, along with some technological drawbacks, may prevent the widespread use of this technology. This study lays within a comprehensive research effort investigating the application of Glass FRP (GFRP) to mild-prestressed concrete elements (MPC). Glass fiber is an economical alternative to carbon fiber in applications that do not require high level of concrete pre-compression. Limiting the level of initial prestress would allow to overcome some constructability issues noticed with CFRP tendons, while the reduced cost of glass would make it a competitive and durable alternative to standard steel strands. This study focuses on the experimental investigation of GFRP strand prototypes anchored to the cross-heads of the testing frame with conventional steel prestressing chucks. The aim is to verify prototype compatibility with construction techniques traditionally applied to steel-PC. Both instantaneous pull tests and sustained pull tests are presented. The prototypical nature of the strands is accounted for in the data handling. The technology readiness level in association with possible field implementations (i.e. mild-prestressed concrete sheet piles) is discussed. Comparison with traditional materials and corrosion-resistant alternatives is considered.