Bs En 12390-2:2019 Instant

The 2019 version tightened the requirements for the molds themselves.

The 2019 update places heavy emphasis on how the concrete is compacted (removing air bubbles). This is where the science becomes a craft. bs en 12390-2:2019

The standard (found on sites like The NBS ) sets out the rules for this process: The 2019 version tightened the requirements for the