Hydraulic balancing of heating, cooling and ventilation systems – Part 3: Procedure for existing heating systems in residential buildings

Safety rules for the construction and installation of lifts - Existing lifts - Part 82: Rules for the improvement of the accessibility of existing lifts for persons including persons with disability; German version FprEN 81-82:2025

Safety rules for the construction and installation of lifts - Existing lifts - Part 83: Rules for the improvement of the resistance against vandalism; German version FprEN 81-83:2025

Safety of escalators and moving walks - Part 5: Replacement of existing escalators/moving walks in existing buildings; German and English version prEN 115-5:2025

Vitrified clay pipe systems for drains and sewers - Part 8: Requirements for the use of vitrified clay components in the rehabilitation of drainage systems and conditions for the application of methods for rehabilitation in existing drainage systems

Safety rules for the construction and installation of lifts - Existing lifts - Part 82: Rules for the improvement of the accessibility of existing lifts for persons including persons with disability

Safety rules for the construction and installation of lifts - Existing lifts - Part 83: Rules for the improvement of the resistance against vandalism

Surfaces with biocidal and antimicrobial properties - Definitions, requirements, recommendationsand guidance for surfaces activities claims regarding use conditions and existing tests methods

Wood and wood-based products - Overview related to the concepts of renewability, reusability, recoverability, recyclability, compostability, biodegradability and circularity - Terminology and existing methodology