STANDARDS16 min read
DIN 18041:2016 Complete Guide — Quality Classes, Room Groups, Calculation Method
DIN 18041:2016 classifies rooms into 5 quality classes (A1–A5) with volume-dependent RT60 targets. This complete guide covers every quality class, the calculation method per §6, comparison with ISO 3382, and a worked example for a 200 m³ German classroom.
March 14, 2026DIN 18041German acoustic standard