In conclusion, fire-rated glass​ from a specialist like PYRONANO​ provides substantial and quantifiable sound insulation. The level of performance is directly linked to the product's construction, with multi-laminated EI-class glass​ offering the best dual performance. By understanding Rw/STC ratings and ensuring proper system integration, architects can confidently specify solutions that deliver not only crucial fire protection but also significant acoustic comfort, answering the question of "how much" with certified performance data and expert application guidance.