As of the latest updates in 2024 and 2025, several changes have been made to the Robust Details specification E-FT-1, which covers timber separating floors with I-joists. The key amendments include the removal of older floating floor treatments and the introduction of new options to meet evolving performance and regulatory standards.   Changes to E-FT-1 in 2025 The update in February 2025 removed older floor treatments due to evolving regulations and