For which repair does IICL recommend the use of pre-blasted steel?

The recommendation for using pre-blasted steel in repairs such as replacing a side panel measuring 122 x 244 cm (4 x 8 ft) is based on the quality and finish required for the integrity and appearance of the container. Pre-blasted steel undergoes surface preparation that removes contaminants and rust, creating an optimal surface for adhesion of coatings and paints, which is essential for ensuring the long-term durability of the repair. This method is particularly important for larger surface areas like side panels, where ensuring a robust finish can significantly affect the overall performance and seaworthiness of the container.

When undertaking other types of repairs, such as sectioning of top side rails or inserting corner posts, the critical focus is often on structural integrity rather than aesthetics. While treated materials are beneficial, the specific requirement for pre-blasted steel is less emphasized compared to the need for load-bearing capabilities and protective coatings that may suffice for repairs in non-exposed or less critical areas. Additionally, full exterior refurbishments might involve multiple processes where pre-blasting can be applied, but the specific choice of material may vary depending on overall conditions and requirements beyond just the material properties, making it less specific than the replacement of a distinct side panel.